--- title: "London to St. Louis Flights from £435 (LHR to STL) - Expedia.co.uk" description: "Reserve one-way or return flights from London to St. Louis with no change fee on selected flights. Earn your airline miles on top of our rewards! Get 2026 flight deals for now!" canonical: "https://www.expedia.co.uk/lp/flights/lhr/stl/london-to-st-louis" language: en-GB market: GB currency: GBP prices_as_of: 2026-11-12T21:05:41Z --- # £422 Cheap Flights from London (LHR) to St. Louis (STL) ![A city skyline with a prominent arch bridge at sunset.](https://images.trvl-media.com/place/5002323/199e2ff7-9ba1-40d2-987c-00d8170be611.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View £422 flight on Mon, 15 Mar 2027](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:15/03/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:421.91&airProductToken=AQqxAQo-CMmEARIEMzY0MxjriQEgjBgo4t-nAzD44KcDOE9AAFgBagVCQVNJQ3IIT0xYNUM1QjR6CgjCggESBDM2NDMKMAjJhAESAzM0MRiMGCCuHCi04acDMIfmpwM4T0ABWAFqBUJBU0lDcghPTFg1QzVCNAo9CMmEARIENDgzOBiuHCDyXCiD56cDMODnpwM4T0ABWAFqBUJBU0lDcghPTFg1QzVCNHoKCMGCARIENDgzOBIKCAIQARgCKgJJQhgBIgQIARABKAIoAygEMA0) ## Popular airlines from Heathrow Airport (LHR) to Lambert-St. Louis International Airport (STL) [Iberia](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:26/11/2026TANYT&leg2=from:STL,to:LHR,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) [British Airways](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:26/11/2026TANYT&leg2=from:STL,to:LHR,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) [Finnair](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:26/11/2026TANYT&leg2=from:STL,to:LHR,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) [Air Canada](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:26/11/2026TANYT&leg2=from:STL,to:LHR,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) [Virgin Atlantic](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:26/11/2026TANYT&leg2=from:STL,to:LHR,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) [Lufthansa](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:26/11/2026TANYT&leg2=from:STL,to:LHR,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) [Austrian Airlines](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:26/11/2026TANYT&leg2=from:STL,to:LHR,departure:03/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 25% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from London to St. Louis (LHR-STL) Prices were available within the past 7 days and start at £422 for one-way flights and £594 for return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return [Select SAS flight, departing Thu, 24 Dec from London to St. Louis, returning Sun, 10 Jan, priced at £594 Found 5 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:24/12/2026TANYT&leg2=from:STL,to:LHR,departure:10/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:593.15&airProductToken=AQqrAQo0CNOWARIEMTUwOBjriQEg4jsoktagAzCA16ADOExAAFgBaghTVEFOREFSRHIHTExFVTZFUwoyCNOWARIDOTI5GOI7IOBcKKLeoAMw9eKgAzhMQAFYAWoIU1RBTkRBUkRyB0xMRVU2RVMKPwjTlgESBDM3NTQY4Fwg8lwox-SgAzC05aADOExAAVgBaghTVEFOREFSRHIHTExFVTZFU3oKCMSYARIEMzc1NAqqAQo%5FCNOWARIEMzU2NBjyXCDgXCi8lqIDMJ2XogM4TEAAWAFqCFNUQU5EQVJEcgdMTEVVNkVTegoIxJgBEgQzNTY0CjII05YBEgM5MzAY4Fwg4jso8peiAzD6m6IDOExAAVgBaghTVEFOREFSRHIHTExFVTZFUwozCNOWARIDNTA1GOI7IOuJASiDnqIDMICfogM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTEgoIARABGAEqAlNLGAEiBAgBEAEoAigDKAQwAQ) Thu, 24 Dec - Sun, 10 Jan · LHR · STL · From £594 · Return [Select SAS flight, departing Wed, 10 Feb from London to St. Louis, returning Wed, 24 Feb, priced at £597 Found 3 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:10/02/2027TANYT&leg2=from:STL,to:LHR,departure:24/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:596.21&airProductToken=AQqqAQozCNOWARIDNTAwGOuJASDiOyiQ7KQDMP7spAM4TEAAWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjII05YBEgM5MjkY4jsg4Fwogu-kAzDk86QDOExAAVgBaghTVEFOREFSRHIHTExFVTZFUwo%5FCNOWARIEMzU2MxjgXCDyXCiX9aQDMIH2pAM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTegoIxJgBEgQzNTYzCqoBCj8I05YBEgQzNTY0GPJcIOBcKI-OpgMw7o6mAzhMQABYAWoIU1RBTkRBUkRyB0xMRVU2RVN6CgjEmAESBDM1NjQKMgjTlgESAzkzMBjgXCDiOyiSkqYDMJqWpgM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjMI05YBEgM1MDUY4jsg64kBKKOYpgMwoJmmAzhMQAFYAWoIU1RBTkRBUkRyB0xMRVU2RVMSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAB) Wed, 10 Feb - Wed, 24 Feb · LHR · STL · From £597 · Return [Select SAS flight, departing Wed, 3 Feb from London to St. Louis, returning Wed, 17 Feb, priced at £597 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:03/02/2027TANYT&leg2=from:STL,to:LHR,departure:17/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:596.61&airProductToken=AQqqAQozCNOWARIDNTAwGOuJASDiOyiwnaQDMJ6epAM4TEAAWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjII05YBEgM5MjkY4jsg4FwooqCkAzCEpaQDOExAAVgBaghTVEFOREFSRHIHTExFVTZFUwo%5FCNOWARIEMzU2MxjgXCDyXCi3pqQDMKGnpAM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTegoIxJgBEgQzNTYzCqoBCj8I05YBEgQzNTY0GPJcIOBcKK-%5FpQMwjsClAzhMQABYAWoIU1RBTkRBUkRyB0xMRVU2RVN6CgjEmAESBDM1NjQKMgjTlgESAzkzMBjgXCDiOyiyw6UDMLrHpQM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjMI05YBEgM1MDUY4jsg64kBKMPJpQMwwMqlAzhMQAFYAWoIU1RBTkRBUkRyB0xMRVU2RVMSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAB) Wed, 3 Feb - Wed, 17 Feb · LHR · STL · From £597 · Return [Select SAS flight, departing Mon, 19 Apr from London to St. Louis, returning Mon, 26 Apr, priced at £600 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:19/04/2027TANYT&leg2=from:STL,to:LHR,departure:26/04/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:599.94&airProductToken=AQqqAQozCNOWARIDNTAyGOuJASDiOyiw6qoDMKjrqgM4TEAAWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjII05YBEgM5MjkY4jsg4Fwo2uuqAzCU8KoDOExAAVgBaghTVEFOREFSRHIHTExFVTZFUwo%5FCNOWARIEMzc1NBjgXCDyXCjP8qoDMLfzqgM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTegoIxJgBEgQzNzU0CqoBCj8I05YBEgQzOTQ0GPJcIOBcKLi-qwMwm7-rAzhMQABYAWoIU1RBTkRBUkRyB0xMRVU2RVN6CgjEmAESBDM5NDQKMgjTlgESAzkzMBjgXCDiOyjxv6sDMP7DqwM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjMI05YBEgM1MDUY4jsg64kBKIzGqwMwhMerAzhMQAFYAWoIU1RBTkRBUkRyB0xMRVU2RVMSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAB) Mon, 19 Apr - Mon, 26 Apr · LHR · STL · From £600 · Return [Select SAS flight, departing Mon, 1 Feb from London to St. Louis, returning Wed, 10 Feb, priced at £612 Found 3 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:01/02/2027TANYT&leg2=from:STL,to:LHR,departure:10/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:611.12&airProductToken=AQqqAQozCNOWARIDNTAwGOuJASDiOyjwhqQDMN6HpAM4TEAAWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjII05YBEgM5MjkY4jsg4Fwo4omkAzDEjqQDOExAAVgBaghTVEFOREFSRHIHTExFVTZFUwo%5FCNOWARIEMzU2MxjgXCDyXCj3j6QDMOGQpAM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTegoIxJgBEgQzNTYzCqoBCj8I05YBEgQzOTQ0GPJcIOBcKLjxpAMwmfKkAzhMQABYAWoIU1RBTkRBUkRyB0xMRVU2RVN6CgjEmAESBDM5NDQKMgjTlgESAzkzMBjgXCDiOyjS9KQDMNr4pAM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjMI05YBEgM1MDUY4jsg64kBKOP6pAMw4PukAzhMQAFYAWoIU1RBTkRBUkRyB0xMRVU2RVMSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAB) Mon, 1 Feb - Wed, 10 Feb · LHR · STL · From £612 · Return [Select SAS flight, departing Mon, 15 Feb from London to St. Louis, returning Mon, 22 Feb, priced at £615 Found 3 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:15/02/2027TANYT&leg2=from:STL,to:LHR,departure:22/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:614.10&airProductToken=AQqqAQozCNOWARIDNTAwGOuJASDiOyiwpKUDMJ6lpQM4TEAAWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjII05YBEgM5MjkY4jsg4FwooqelAzCErKUDOExAAVgBaghTVEFOREFSRHIHTExFVTZFUwo%5FCNOWARIEMzc1NBjgXCDyXCiqrqUDMJOvpQM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTegoIxJgBEgQzNzU0CqoBCj8I05YBEgQzNTY0GPJcIOBcKM%5F3pQMwrvilAzhMQABYAWoIU1RBTkRBUkRyB0xMRVU2RVN6CgjEmAESBDM1NjQKMgjTlgESAzkzMBjgXCDiOyjS-6UDMNr%5FpQM4TEABWAFqCFNUQU5EQVJEcgdMTEVVNkVTCjMI05YBEgM1MDUY4jsg64kBKOOBpgMw4IKmAzhMQAFYAWoIU1RBTkRBUkRyB0xMRVU2RVMSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAB) Mon, 15 Feb - Mon, 22 Feb · LHR · STL · From £615 · Return [Select Iberia flight, departing Mon, 19 Apr from London to St. Louis, returning Mon, 10 May, priced at £653 Just found](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:19/04/2027TANYT&leg2=from:STL,to:LHR,departure:10/05/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:652.31&airProductToken=AQpACj4IyYQBEgQzOTE3GOuJASDyXCiM7KoDMKjwqgM4T0AAWAFqBUJBU0lDcghPTFg5QzJCNHoKCMKCARIEMzkxNwpACj4IyYQBEgQzOTE0GPJcIOuJASi43qwDMKLirAM4T0AAWAFqBUJBU0lDcghPTFg5QzJCNHoKCMKCARIEMzkxNBIKCAIQARgCKgJJQhgBIgQIARABKAIoAygEMA0) Mon, 19 Apr - Mon, 10 May · LHR · STL · From £653 · Return [Select Lufthansa flight, departing Mon, 7 Dec from London to St. Louis, returning Tue, 22 Dec, priced at £675 Found 3 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:07/12/2026TANYT&leg2=from:STL,to:LHR,departure:22/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:674.45&airProductToken=AQqtAQo0CMyQARIDOTA3GOuJASClBCiKlJ8DMOmUnwM4S0AAWAFqCEVDT0xJR0hUcghLSlZIQVhCUQozCMyQARIDNDMyGKUEIK4cKM2VnwMw%5FZmfAzhLQAFYAWoIRUNPTElHSFRyCEtKVkhBWEJRCkAIzJABEgQ3ODI2GK4cIPJcKOGanwMwq5ufAzhLQAFYAWoIRUNPTElHSFRyCEtKVkhBWEJRegoI1YIBEgQ3ODI2CoUBCkAIzJABEgQ4NzkzGPJcIK4cKJrCoAMwgMOgAzhLQABYAWoIRUNPTElHSFRyCEtKVkhBWEJRegoI1YIBEgQ4NzkzCkEIzJABEgQ5MzU3GK4cIOuJASj5y6ADMOPPoAM4S0ABWAFqCEVDT0xJR0hUcghLSlZIQVhCUXoKCNWCARIEOTM1NxIKCAIQARgCKgJMSBgBIgQIARABKAIoAygEMAs) Mon, 7 Dec - Tue, 22 Dec · LHR · STL · From £675 · Return [Select Brussels Airlines flight, departing Wed, 20 Jan from London to St. Louis, returning Wed, 24 Mar, priced at £691 Found 3 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:20/01/2027TANYT&leg2=from:STL,to:LHR,departure:24/03/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:690.41&airProductToken=AQq9AQo2CNOcARIEMjEwNBjriQEgoaQBKPr%5FogMwtoCjAzhLQABYAWoIRUNPTElHSFRyCEtKVkhBWEJRCkEI05wBEgQ4ODAxGKGkASCIGCjvgaMDMPKFowM4S0ABWAFqCEVDT0xJR0hUcghLSlZIQVhCUXoKCNWCARIEODgwMQpACNOcARIEOTAxMhiIGCDyXCi%5Fh6MDMNeIowM4S0ABWAFqCEVDT0xJR0hUcghLSlZIQVhCUXoKCNWCARIEOTAxMgq9AQpACNOcARIEOTAxMxjyXCCIGCj4yagDMPnKqAM4S0AAWAFqCEVDT0xJR0hUcghLSlZIQVhCUXoKCNWCARIEOTAxMwpBCNOcARIEODgwMhiIGCChpAEolcyoAzDXz6gDOEtAAVgBaghFQ09MSUdIVHIIS0pWSEFYQlF6CgjVggESBDg4MDIKNgjTnAESBDIwOTUYoaQBIOuJASib1KgDMOHUqAM4S0ABWAFqCEVDT0xJR0hUcghLSlZIQVhCURIKCAIQARgCKgJTThgBIgQIARABKAIoAygEMAs) Wed, 20 Jan - Wed, 24 Mar · LHR · STL · From £691 · Return [Select American Airlines flight, departing Tue, 8 Dec from London to St. Louis, returning Wed, 23 Dec, priced at £700 Found 3 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:08/12/2026TANYT&leg2=from:STL,to:LHR,departure:23/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:699.09&airProductToken=AQpoCjIIwYIBEgM3MzMY64kBIOKaASjBnp8DMOeinwM4QkAAWAFqBUJBU0lDcghPTFg4QzFCNAoyCMGCARIEMjkzNxjimgEg8lwoxqOfAzDBpJ8DOEJAAVgBagVCQVNJQ3IIT0xYOEMxQjQKZwoyCMGCARIENTEyORjyXCCjsQEopsqgAzCiy6ADOEJAAFgBagVCQVNJQ3IIT0xYOEMxQjQKMQjBggESAjUwGKOxASDriQEo%5FsugAzCa0KADOEJAAVgBagVCQVNJQ3IIT0xYOEMxQjQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) Tue, 8 Dec - Wed, 23 Dec · LHR · STL · From £700 · Return ## Alternative airports near St. Louis Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city centre is 19 minutes. Flights from £739](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:STL,departure:26/11/2026TANYT&leg2=from:STL,to:LHR,departure:29/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 19 min ## Book with confidence ### Compare flights from London to St. Louis easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to St. Louis. Operating between them flights per day, 7 airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Lambert-St. Louis Intl.. To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. #### Grab a great deal on your flight from Heathrow (LHR) to Lambert-St. Louis Intl. (STL) The easiest way to view the best deals on flights from London to St. Louis today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to Lambert-St. Louis Intl. start at just £594 and range up to £700\. To find an even better deal, try - being flexible on your dates – midweek flights can be cheaper - looking for other airports near London and St. Louis - booking your flight during December, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper #### Why you should book your London to St. Louis flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Lambert-St. Louis Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you. Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight. ## Frequently Asked Questions ### How much does a flight from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost? You can find cheap one-way flights from £422 and cheap return flights £594 LHR to STL with Expedia. One-way flights typically cost between £417 and £867, and return flights often range between £666 and £3259\. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to STL ticket fares go up or down. ### What is the cheapest month to fly from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? The cheapest months to fly from LHR to STL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? Only one airline offers direct flights from London Heathrow (LHR) to St. Louis, MO (STL-Lambert-St. Louis Intl.). British Airways operates 7 direct flights from London Heathrow (LHR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) every week. ### What is the cheapest airline that flies from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? British Airways is one of the cheapest airlines offering nonstop return flights from London Heathrow (LHR) to Lambert-St. Louis Intl. (STL), with tickets starting from around £566 for flights that can be booked for departure within the next year. TAP Portugal offers one of the cheapest connecting return flights from London Heathrow (LHR) to Lambert-St. Louis Intl. (STL) with a layover in Humberto Delgado (LIS), starting from around £929\. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. ### How do I find cheap flights from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? To find a cheap flight from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.co.uk/why/price-tracking) and receive alerts when fares go up or down. ### What is the best airline to fly with from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? The best airline to fly with from London Heathrow (LHR) to St. Louis, MO (STL) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. British Airways offers the most daily flights from London Heathrow (LHR) to St. Louis, MO (STL), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access. ### What is the best time to fly from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### How many flights per day from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? There are approximately 105 connecting flights per day from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.). Some common connection points include Dublin (DUB), O'Hare Intl. (ORD), and John F. Kennedy Intl. (JFK). ### What is the earliest flight from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? The earliest flight from London Heathrow (LHR) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs around 6:00 AM. This service is offered by airlines such as Air Baltic, Swiss International Air Lines, and Air Canada. This is a seasonal service, active only in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### What day of the week has the most flights from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? You'll typically find the most flights from London Heathrow (LHR) to St. Louis, MO (STL) on a Monday, with around 89 flights available. This gives you a good selection of options for your journey. Major airlines on this route include American Airlines, United, and British Airways. Mondays offer notably more flight options compared to other days of the week, so if flexibility is key, consider flying then. ### What are the most popular departure times for flights from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? The most popular departure times for flights from London Heathrow (LHR) to St. Louis, MO (STL) are in the morning, from 9am to 12pm. Many major carriers, including American Airlines, Delta and British Airways, offer flights during this window. Many travellers prefer these times because it allows for a morning departure and an afternoon arrival, giving you time to settle in upon arrival. ### How long does it take to fly from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? A direct flight from London Heathrow (LHR) to St. Louis, MO (STL) typically takes around 9 hours. This route covers a distance of approximately 6,743 kilometers. If you opt for a flight with one stop, your journey will usually be longer, taking about 13 hours. Flights with two or more stops will extend your travel time further, typically around 16 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip. ### Can you fly business or first class from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? You can fly business class or first class between LHR and STL. Airlines that offer business class service on this route include: - British Airways - American Airlines - Delta - Lufthansa - Air Canada - Med View Airlines - United - Air Baltic - Swiss International Air Lines - Brussels Airlines - KLM - SAS - Virgin Atlantic First class cabins are available on British Airways and American Airlines. ### How do I earn miles on a London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia? It's easy to earn miles on a London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.co.uk/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### What airports do you fly into for St. Louis, MO (STL) from London (LHR)? If you're planning to travel to St. Louis from Heathrow (LHR), you can fly directly into Lambert-St. Louis Intl. (STL). Some flights may connect through major hubs like Schiphol (AMS), Roissy-Charles de Gaulle (CDG), or Logan Intl. (BOS) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans. ### Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute? Typically, booking a last minute flight from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package? Securing a London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.) [flight and hotel package](https://www.expedia.co.uk/st-louis.d178309.holidays-city-breaks) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.)? If you booked your London (LHR-Heathrow) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.co.uk/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.co.uk/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Heathrow Airport | | ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Lambert-St. Louis International Airport | | Distance | 4,189 miles away | | Airlines serving | Iberia, British Airways, Finnair, Air Canada, Virgin Atlantic, Lufthansa, Austrian Airlines, KLM, Air France, Aer Lingus, American Airlines, Delta, Brussels Airlines, United, SAS, Alaska Airlines, Icelandair | | Popular airline | Iberia | | Return price | £594 | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Packages](?equalTargetTab=tab-2) - [Cars](?equalTargetTab=tab-3) - [Things to Do](?equalTargetTab=tab-4) - 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Airport (EWR) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/ewr/stl/newark-liberty-intl-airport-to-st-louis) - [Flights from Exeter (EXT) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/ext/stl/exeter-to-st-louis) - [Flights from Fort Lauderdale (FLL) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/fll/stl/fort-lauderdale-to-st-louis) - [Flights from Frankfurt (FRA) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/fra/stl/frankfurt-to-st-louis) - [Flights from Glasgow (GLA) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/gla/stl/glasgow-to-st-louis) - [Flights from Houston (IAH) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/iah/stl/houston-to-st-louis) - [Flights from New York (JFK) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/jfk/stl/new-york-to-st-louis) - [Flights from Kuwait City (KWI) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/kwi/stl/kuwait-city-to-st-louis) - [Flights from Las Vegas (LAS) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/las/stl/las-vegas-to-st-louis) - [Flights from Los Angeles (LAX) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/lax/stl/los-angeles-to-st-louis) - [Flights from Leeds (LBA) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/lba/stl/leeds-to-st-louis) - [Flights from London (LCY) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/lcy/stl/london-to-st-louis) - [Flights from New York (LGA) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/lga/stl/new-york-to-st-louis) - [Flights from London (LGW) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/lgw/stl/london-to-st-louis) - [Flights from Lahore (LHE) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/lhe/stl/lahore-to-st-louis) - [Flights from London (LON) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/lon/stl/london-to-st-louis) - [Flights from Liverpool (LPL) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/lpl/stl/liverpool-to-st-louis) - [Flights from Manchester (MAN) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/man/stl/manchester-to-st-louis) - [Flights from Kansas City (MCI) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/mci/stl/kansas-city-to-st-louis) - [Flights from Orlando (MCO) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/mco/stl/orlando-to-st-louis) - [Flights from Memphis (MEM) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/mem/stl/memphis-to-st-louis) - [Flights from Mexico City (MEX) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/mex/stl/mexico-city-to-st-louis) - [Flights from Miami (MIA) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/mia/stl/miami-to-st-louis) - [Flights from Durham (MME) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/mme/stl/durham-to-st-louis) - [Flights from Madison (MSN) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/msn/stl/madison-to-st-louis) - [Flights from New Orleans (MSY) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/msy/stl/new-orleans-to-st-louis) - [Flights from Nairobi (NBO) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/nbo/stl/nairobi-to-st-louis) - [Flights from Newcastle (NCL) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/ncl/stl/newcastle-to-st-louis) - [Flights from Norwich (NWI) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/nwi/stl/norwich-to-st-louis) - [Flights from New York (NYC) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/nyc/stl/new-york-to-st-louis) - [Flights from Omaha (OMA) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/oma/stl/omaha-to-st-louis) - [Flights from Ontario Intl. Airport (ONT) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/ont/stl/ontario-to-st-louis) - [Flights from Chicago (ORD) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/ord/stl/chicago-to-st-louis) - [Flights from Norfolk (ORF) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/orf/stl/norfolk-to-st-louis) - [Flights from Portland (PDX) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/pdx/stl/portland-to-st-louis) - [Flights from Philadelphia (PHL) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/phl/stl/philadelphia-to-st-louis) - [Flights from Pittsburgh (PIT) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/pit/stl/pittsburgh-to-st-louis) - [Flights from Port of Spain (POS) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/pos/stl/port-of-spain-to-st-louis) - [Flights from Richmond (RIC) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/ric/stl/richmond-to-st-louis) - [Flights from Fort Myers (RSW) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/rsw/stl/fort-myers-to-st-louis) - [Flights from San Diego (SAN) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/san/stl/san-diego-to-st-louis) - [Flights from San Antonio (SAT) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/sat/stl/san-antonio-to-st-louis) - [Flights from Seattle (SEA) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/sea/stl/seattle-to-st-louis) - [Flights from San Francisco (SFO) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/sfo/stl/san-francisco-to-st-louis) - [Flights from San Jose (SJC) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/sjc/stl/san-jose-to-st-louis) - [Flights from Salt Lake City (SLC) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/slc/stl/salt-lake-city-to-st-louis) - [Flights from Southampton (SOU) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/sou/stl/southampton-to-st-louis) - [Flights from Moscow (SVO) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/svo/stl/moscow-to-st-louis) - [Flights from Montreal (YUL) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/yul/stl/montreal-to-st-louis) - [Flights from Vancouver (YVR) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/yvr/stl/vancouver-to-st-louis) - [Flights from Winnipeg (YWG) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/ywg/stl/winnipeg-to-st-louis) - [Flights from Toronto (YYZ) to St. Louis (STL)](https://www.expedia.co.uk/lp/flights/yyz/stl/toronto-to-st-louis) - [Overland Holidays](https://www.expedia.co.uk/Overland.d142634.Holidays-City-Breaks) - [Rental cars Lambert-St. Louis Intl. airport](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Lambert-St-Louis-Intl.d5002323.Car-Hire-Guide) - [Things to do in Bridgeton](https://www.expedia.co.uk/Things-To-Do-In-Bridgeton.d7043.Travel-Guide-Activities) - [Things to do in Hazelwood](https://www.expedia.co.uk/Things-To-Do-In-Hazelwood.d10655.Travel-Guide-Activities) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/lhr/stl/london-to-st-louis nl-NL: https://www.expedia.nl/lp/vluchten/lhr/stl/londen-naar-st-louis de-CH: https://www.expedia.ch/lp/fluege/lhr/stl/london-nach-st-louis en-HK: https://www.expedia.com.hk/en/lp/flights/lhr/stl/london-to-st-louis en-US: https://www.expedia.com/lp/flights/lhr/stl/london-to-st-louis en-IN: https://www.expedia.co.in/lp/flights/lhr/stl/london-to-st-louis id-ID: https://www.expedia.co.id/lp/flights/lhr/stl/london-to-st-louis es: https://www.expedia.com/es/lp/vuelos/lhr/stl/londres-a-st-louis en-GB: https://www.expedia.co.uk/lp/flights/lhr/stl/london-to-st-louis th-TH: https://www.expedia.co.th/lp/flights/lhr/stl/london-to-st-louis fi-FI: https://www.expedia.fi/lp/lennot/lhr/stl/lontoo-st-louis en-SA: https://www.expedia.sa/en/lp/flights/lhr/stl/london-to-st-louis en-CA: https://www.expedia.ca/lp/flights/lhr/stl/london-to-st-louis en-NZ: https://www.expedia.co.nz/lp/flights/lhr/stl/london-to-st-louis en-AU: https://www.expedia.com.au/lp/flights/lhr/stl/london-to-st-louis fr-BE: https://www.expedia.be/fr/lp/vols/lhr/stl/londres-a-st-louis en-IE: https://www.expedia.ie/lp/flights/lhr/stl/london-to-st-louis sv-SE: https://www.expedia.se/lp/flyg/lhr/stl/london-till-st-louis nb-NO: https://www.expedia.no/lp/fly/lhr/stl/london-til-st-louis nl-BE: https://www.expedia.be/lp/vluchten/lhr/stl/londen-naar-st-louis ar: https://www.expedia.sa/lp/flights/lhr/stl/london-to-st-louis ```