Title: Cheap Flights to Walnut Hill - Expedia.co.uk ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £361 Cheap Flights to Walnut Hill [View £361 flight on Sun, 10 May 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:STL,departure:10/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:360.35&airProductToken=AQqqAQo0CMywARIDMzM5GOuJASC5PCj50IwDMN3RjAM4S0AAWAFqCEVDT0xJR0hUcghLSk9JS1hCUQo8CMywARICODYYuTwgmF0ooNiMAzCU3IwDOEtAAVgBaghFQ09MSUdIVHIIS0pPSUtYQlF6CAjXlgESAjg2CjQIwYYBEgQxNTY1GJhdIPJcKNLdjAMwgd-MAzhLQAFYAWoIRUNPTElHSFRyCEtKT0lLWEJREgoIARABGAEqAkxYGAEiBAgBEAEoAigDKAQwCw) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Hotels in Walnut Hill](https://expedia.co.uk/Walnut-Hill-Hotels.d553248634983204234.Travel-Guide-Hotels)[Walnut Hill Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Walnut-Hill.d553248634983204234.Car-Hire-Guide)[Walnut Hill Holidays](https://expedia.co.uk/Walnut-Hill.d553248634983204234.Holidays-City-Breaks) ## Popular airlines to Walnut Hill - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Walnut Hill, Illinois, United States of America,departure:02/03/2026TANYT&leg2=from:Walnut Hill, Illinois, United States of America,to:CMH,departure:09/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Walnut Hill, Illinois, United States of America,departure:02/03/2026TANYT&leg2=from:Walnut Hill, Illinois, United States of America,to:CMH,departure:09/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Walnut Hill, Illinois, United States of America,departure:02/03/2026TANYT&leg2=from:Walnut Hill, Illinois, United States of America,to:CMH,departure:09/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Walnut Hill, Illinois, United States of America,departure:02/03/2026TANYT&leg2=from:Walnut Hill, Illinois, United States of America,to:CMH,departure:09/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Walnut Hill, Illinois, United States of America,departure:02/03/2026TANYT&leg2=from:Walnut Hill, Illinois, United States of America,to:CMH,departure:09/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Walnut Hill, Illinois, United States of America,departure:02/03/2026TANYT&leg2=from:Walnut Hill, Illinois, United States of America,to:CMH,departure:09/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Walnut Hill, Illinois, United States of America,departure:02/03/2026TANYT&leg2=from:Walnut Hill, Illinois, United States of America,to:CMH,departure:09/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap round-trip flights to Walnut Hill Prices were available within the past 7 days and start at £361 for one-way flights and £550 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, 23 Feb - Mon, 2 Mar LGW London STL St. Louis £550 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:STL,departure:23/02/2026TANYT&leg2=from:STL,to:LGW,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:549.43&airProductToken=AQqoAQo-CMGCARIENzAxNRjLsQEg8wMo7vaFAzDG-4UDOFFAAFgBagVCQVNJQ3IIUUxVM0MxQjR6CgjCggESBDcwMTUKMgjBggESBDIwMDkY8wMg4poBKMT8hQMwuv2FAzhCQAFYAWoFQkFTSUNyCFFMVTNDMUI0CjIIwYIBEgQyNDc1GOKaASDyXCjPgoYDMMyDhgM4QkABWAFqBUJBU0lDcghRTFUzQzFCNAqmAQoxCMGCARIEMTYyMhjyXCCMAijyx4YDMJ3JhgM4QkAAWAFqBUJBU0lDcghRTFUzQzFCNAoxCMGCARIEMjU1ORiMAiDzAyiDyoYDMMvKhgM4QkABWAFqBUJBU0lDcghRTFUzQzFCNAo-CMGCARIENzAxNBjzAyDLsQEonsuGAzCcz4YDOFFAAVgBagVCQVNJQ3IIUUxVM0MxQjR6CgjCggESBDcwMTQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 16 Mar - Mon, 23 Mar LHR London STL St. Louis £551 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:16/03/2026TANYT&leg2=from:STL,to:LHR,departure:23/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:550.45&airProductToken=AQqnAQozCMuYARIEMTAwNhjriQEggJMBKOHihwMwrOOHAzhMQABYAWoFTElHSFRyCFZZMkVEQkxBCjEIy5gBEgM2MjEYgJMBIOBcKOXkhwMwqemHAzhWQAFYAWoFTElHSFRyCFZZMkVEQkxBCj0Iy5gBEgQ3MDgxGOBcIPJcKIPqhwMw6uqHAzhWQAFYAWoFTElHSFRyCFZZMkVEQkxBegoIxJgBEgQ3MDgxCn8KPQjLmAESBDU4NzYY8lwg4FwogLSIAzDbtIgDOFZAAFgBagVMSUdIVHIIVlkyRURCTEF6CgjEmAESBDU4NzYKPgjLmAESBDQ4MDUY4Fwg64kBKMa2iAMwobqIAzhWQAFYAWoFTElHSFRyCFZZMkVEQkxBegoI1qYBEgQ0ODA1EgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 22 Apr - Tue, 28 Apr LHR London STL St. Louis £554 Return found 1 hour ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:22/04/2026TANYT&leg2=from:STL,to:LHR,departure:28/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:553.89&airProductToken=AQozCjEIwoIBEgMyMjEY64kBIPJcKN2EiwMw_oiLAzhPQABYAWoFTk9CQUdyCE9MVTFDMUI0CoEBCj4IwoIBEgQ1NzYxGPJcIK4cKJXKiwMw7cqLAzhPQABYAWoFTk9CQUdyCU9MWDhDMUI0UHoKCM2iARIENTc2MQo_CMKCARIEMTU0MxiuHCDriQEo38uLAzCwz4sDOE9AAVgBagVOT0JBR3IJT0xYOEMxQjRQegoIwYIBEgQxNTQzEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Mon, 16 Mar - Mon, 23 Mar LHR London STL St. Louis £555 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:16/03/2026TANYT&leg2=from:STL,to:LHR,departure:23/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:554.75&airProductToken=AQqkAQoyCMGMARIEMTY4MRjriQEg4jAovOGHAzCR4ocDOExAAFgBagVMSUdIVHIIVlkyRURCTEEKLwjBjAESAjMyGOIwIOBcKLbjhwMw_-eHAzhWQAFYAWoFTElHSFRyCFZZMkVEQkxBCj0IwYwBEgQ1OTk0GOBcIPJcKNrxhwMwvPKHAzhWQAFYAWoFTElHSFRyCFZZMkVEQkxBegoIxJgBEgQ1OTk0CoEBCj4IwYwBEgQzMDc5GPJcIOO0ASjjtogDML63iAM4VkAAWAFqBUxJR0hUcghWWTJFREJMQXoKCMSYARIEMzA3OQo_CMGMARIEMzYzORjjtAEg64kBKOu3iAMwrbuIAzhWQAFYAWoFTElHSFRyCFZZMkVEQkxBegoIxJgBEgQzNjM5EgoIARABGAEqAkFGGAEiBAgBEAEoAigDKAQwDQ) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Tue, 21 Apr - Mon, 4 May LHR London STL St. Louis £562 Return found 3 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:21/04/2026TANYT&leg2=from:STL,to:LHR,departure:04/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:561.05&airProductToken=AQqxAQo-CMmEARIEMzY0MRjriQEgjBgo2_SKAzDs9YoDOE9AAFgBagVCQVNJQ3IIT0xYOEMxQjR6CgjCggESBDM2NDEKMAjJhAESAzM0MRiMGCCuHCjp9ooDMK37igM4T0ABWAFqBUJBU0lDcghPTFg4QzFCNAo9CMmEARIENDgzOBiuHCDyXCiH_YoDMOH9igM4T0ABWAFqBUJBU0lDcghPTFg4QzFCNHoKCMGCARIENDgzOAp_Cj0IyYQBEgQ0NTQ1GPJcIK4cKI6MjAMw34yMAzhPQABYAWoFQkFTSUNyCE9MWDhDMUI0egoIwYIBEgQ0NTQ1Cj4IyYQBEgQzNjMzGK4cIOuJASjojowDML6SjAM4T0ABWAFqBUJBU0lDcghPTFg4QzFCNHoKCMKCARIEMzYzMxIKCAEQARgBKgJJQhgBIgQIARABKAIoAygEMA0) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-uk-fr-de.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Holiday Sale Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_SPRING_PROMO_) ## Expedia flights to Walnut Hill Searching for cheap flights to Walnut Hill? No travel company presents more choices than Expedia if you're looking to compare flights to Walnut Hill. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Illinois. Expedia provides the cheapest flights to many destinations in Illinois and you may find even greater savings if you combine your flight with a hotel stay in Walnut Hill. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Walnut Hill for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Walnut Hill flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. __Flights to Walnut Hill information__ | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Return price | £549 | ## Trending flights to Walnut Hill Prices were available within the past 7 days and start at £361 for one-way flights and £550 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, 23 Feb - Mon, 2 Mar LGW London STL St. Louis £550 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:STL,departure:23/02/2026TANYT&leg2=from:STL,to:LGW,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:549.43&airProductToken=AQqoAQo-CMGCARIENzAxNRjLsQEg8wMo7vaFAzDG-4UDOFFAAFgBagVCQVNJQ3IIUUxVM0MxQjR6CgjCggESBDcwMTUKMgjBggESBDIwMDkY8wMg4poBKMT8hQMwuv2FAzhCQAFYAWoFQkFTSUNyCFFMVTNDMUI0CjIIwYIBEgQyNDc1GOKaASDyXCjPgoYDMMyDhgM4QkABWAFqBUJBU0lDcghRTFUzQzFCNAqmAQoxCMGCARIEMTYyMhjyXCCMAijyx4YDMJ3JhgM4QkAAWAFqBUJBU0lDcghRTFUzQzFCNAoxCMGCARIEMjU1ORiMAiDzAyiDyoYDMMvKhgM4QkABWAFqBUJBU0lDcghRTFUzQzFCNAo-CMGCARIENzAxNBjzAyDLsQEonsuGAzCcz4YDOFFAAVgBagVCQVNJQ3IIUUxVM0MxQjR6CgjCggESBDcwMTQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) \*Available to Expedia members.