Title: Cheap Flights to Swansea - 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) # £374 Cheap Flights to Swansea [View £374 flight on Sun, 10 May 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LGW,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:373.30&airProductToken=AQq1AQo_CMywARIDNDMzGMuxASC5PCif0IwDMIPRjAM4S0AAWAFqCEVDT0xJR0hUcghLSk9JQVhCUXoJCMKoARIDNDMzCjwIzLABEgI4Nhi5PCCYXSig2IwDMJTcjAM4S0ABWAFqCEVDT0xJR0hUcghLSk9JQVhCUXoICNeWARICODYKNAjBhgESBDE1NjUYmF0g8lwo5t2MAzCV34wDOEtAAVgBaghFQ09MSUdIVHIIS0pPSUFYQlESCggCEAEYAioCTFgYASIECAEQASgCKAMoBDAL) [Hotels in Swansea](https://expedia.co.uk/Swansea-Hotels.d164131.Travel-Guide-Hotels)[Swansea Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Swansea.d164131.Car-Hire-Guide)[Swansea Holidays](https://expedia.co.uk/Swansea.d164131.Holidays-City-Breaks) ## Popular airlines to Swansea - ![](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:Swansea, Illinois, United States of America,departure:02/04/2026TANYT&leg2=from:Swansea, Illinois, United States of America,to:CMH,departure:09/04/2026TANYT&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_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Swansea, Illinois, United States of America,departure:02/04/2026TANYT&leg2=from:Swansea, Illinois, United States of America,to:CMH,departure:09/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Swansea, Illinois, United States of America,departure:02/04/2026TANYT&leg2=from:Swansea, Illinois, United States of America,to:CMH,departure:09/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Swansea, Illinois, United States of America,departure:02/04/2026TANYT&leg2=from:Swansea, Illinois, United States of America,to:CMH,departure:09/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Swansea, Illinois, United States of America,departure:02/04/2026TANYT&leg2=from:Swansea, Illinois, United States of America,to:CMH,departure:09/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Swansea, Illinois, United States of America,departure:02/04/2026TANYT&leg2=from:Swansea, Illinois, United States of America,to:CMH,departure:09/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Swansea, Illinois, United States of America,departure:02/04/2026TANYT&leg2=from:Swansea, Illinois, United States of America,to:CMH,departure:09/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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 Swansea Prices were available within the past 7 days and start at £374 for one-way flights and £610 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 ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 15 Apr - Mon, 20 Apr LHR London STL St. Louis £610 Return found 20 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:15/04/2026TANYT&leg2=from:STL,to:LHR,departure:20/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:609.59&airProductToken=AQp_Cj4IwoIBEgQxNTM4GOuJASDvWSiStIoDMPK3igM4T0AAWAFqBU5PQkFHcghPTFg4QzFCNHoKCMGCARIEMTUzOAo9CMKCARIENTQ0NBjvWSDyXCj4uIoDMJ26igM4T0ABWAFqBU5PQkFHcghPTFg4QzFCNHoKCMGCARIENTQ0NAqBAQo-CMKCARIENDc1MhjyXCCjsQEo7_GKAzDk8ooDOE9AAFgBagVOT0JBR3IIT0xYOEMxQjR6CgjBggESBDQ3NTIKPwjCggESBDE1MzEYo7EBIOuJASiT84oDML73igM4T0ABWAFqBU5PQkFHcghPTFg4QzFCNHoKCMGCARIEMTUzMRIKCAIQARgCKgJCQRgBIgQIARABKAIoAygEMA0) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, 2 Sept - Tue, 15 Sept LHR London STL St. Louis £613 Return found 4 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:02/09/2026TANYT&leg2=from:STL,to:LHR,departure:15/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:612.29&airProductToken=AQpACj4IwYIBEgQ2OTMyGOuJASDyXCj93JYDMJ7hlgM4T0AAWAFqBUJBU0lDcghPTFg4QzFCNHoKCMKCARIENjkzMgpnCjEIwYIBEgM4MzEY8lwg4poBKJvylwMwkfOXAzhCQABYAWoFQkFTSUNyCE9MWDhDMUI0CjIIwYIBEgM3MzIY4poBIOuJASi085cDMJn3lwM4QkABWAFqBUJBU0lDcghPTFg4QzFCNBIKCAIQARgCKgJBQRgBIgQIARABKAIoAygEMAs) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Tue, 12 May - Tue, 13 Oct LHR London STL St. Louis £613 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:12/05/2026TANYT&leg2=from:STL,to:LHR,departure:13/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:612.45&airProductToken=AQqxAQo-CMmEARIEMzY0MRjriQEgjBgo--CMAzCM4owDOE9AAFgBagVCQVNJQ3IIT0xYOEMxQjR6CgjCggESBDM2NDEKMAjJhAESAzM0MRiMGCCuHCiJ44wDMM3njAM4T0ABWAFqBUJBU0lDcghPTFg4QzFCNAo9CMmEARIENDgzOBiuHCDyXCin6YwDMIHqjAM4T0ABWAFqBUJBU0lDcghPTFg4QzFCNHoKCMGCARIENDgzOApACj4IyYQBEgQzOTE0GPJcIOuJASi7r5oDMJuzmgM4T0AAWAFqBUJBU0lDcghPTFg4QzFCNHoKCMKCARIEMzkxNBIKCAEQARgBKgJJQhgBIgQIARABKAIoAygEMA0) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Sun, 19 Apr - Wed, 29 Apr LHR London STL St. Louis £613 Return found 4 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:19/04/2026TANYT&leg2=from:STL,to:LHR,departure:29/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:612.85&airProductToken=AQq0AQozCMuYARIEMTAxNhjriQEggJMBKIvligMw0eWKAzhMQABYAWoFTElHSFRyCFZZMkVEQkxBCj4Iy5gBEgQ2MDY1GICTASDMfCjM6ooDMNnuigM4VkABWAFqBUxJR0hUcghWWTJFREJMQXoKCMSYARIENjA2NQo9CMuYARIENzI4OBjMfCDyXCi_84oDMJ30igM4VkABWAFqBUxJR0hUcghWWTJFREJMQXoKCMSYARIENzI4OAp_Cj0Iy5gBEgQ1NTAwGPJcIOBcKNvUiwMwuNWLAzhWQABYAWoFTElHSFRyCFZZMkVEQkxBegoIxJgBEgQ1NTAwCj4Iy5gBEgQ2MDQzGOBcIOuJASiR1osDMIXaiwM4VkABWAFqBUxJR0hUcghWWTJFREJMQXoKCMSYARIENjA0MxIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMA0) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Sun, 10 May - Tue, 19 May LHR London STL St. Louis £614 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:10/05/2026TANYT&leg2=from:STL,to:LHR,departure:19/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:613.15&airProductToken=AQrAAQo_CNamARIENzA1MRjriQEggJMBKLnOjAMwhM-MAzhUQABYAWoFTElHSFRyCE9ZMkVERExBegoIy5gBEgQ3MDUxCj4I1qYBEgQ0MDU5GICTASDMfCiY2YwDMLbdjAM4VEABWAFqBUxJR0hUcghPWTJFRERMQXoKCMSYARIENDA1OQo9CNamARIEMjI0OBjMfCDyXCjo34wDMMXgjAM4VEABWAFqBUxJR0hUcghPWTJFRERMQXoKCMSYARIEMjI0OAp_Cj0I1qYBEgQyMDYyGPJcIMx8KOy3jQMwz7iNAzhUQABYAWoFTElHSFRyCE9ZMkVERExBegoIxJgBEgQyMDYyCj4I1qYBEgQ0MDQwGMx8IOuJASiwuo0DMJW-jQM4VEABWAFqBUxJR0hUcghPWTJFRERMQXoKCMSYARIENDA0MBIKCAEQARgBKgJWUxgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL) ### October is typically the cheapest month to fly From £104 - £341 per traveller. ## Frequently asked questions ### What is the name of Swansea's airport? ### How far is Lambert Field from central Swansea? ### What airport is best to fly into Swansea? ### How many airlines fly to Swansea? ### Which airlines fly to Swansea? ### How many nonstop flights are there to Swansea? ### Where are the most popular flights to Swansea departing from? ### How long is the flight to Swansea Airport? ### How to book the cheapest flight to Swansea? ### Do you have any tips for my flight to Swansea? > - First of all, pack in your passport, travel docs, bank cards and medications. Next, you'll want some extra in-flight entertainment to while away the time. A juicy novel and a phone crammed with your favourite shows are some great options. If you plan to take a quick nap, a comfy neck pillow and a pair of noise-cancelling headphones will also come in handy. Finally, find room for a toothbrush and some deodorant to ensure you arrive at your destination feeling fresh and raring to go. > > > Do not pack the following items in your hand luggage: > > > - While the list of banned items differs between airlines, the general guide to follow is avoid carrying anything sharp, flammable or explosive. This includes things like screwdrivers, pocket knives, fuel and fireworks. Sports equipment like hockey sticks, and items that could harm other people, such as firearms and ammunition, are also banned from the cabin. > > > What to wear on a flight: > > > - The aisles of an aircraft aren't the place for a fashion parade. Layer up with comfy clothing and choose shoes that are flat and easy to slip on and off. > - Caused by sustained periods of immobility, deep vein thrombosis (DVT) is a blood clotting condition that can affect passengers during long-haul flights. Lower your risks by staying hydrated, keeping your lower limbs moving and wearing compression socks to help improve your circulation. ### How to get through airport security fast when flying to Swansea? > - First things first. Your ID and travel documents will need to be shown to airport security. Keep them someplace accessible so you don't hold up the line. > - Next up, both you and your carry-on luggage will be X-rayed. To make the process quick and painless, remove anything that might set the alarms off. Items such as your belt, jacket and earphones need to go through the machine. > - For just a few moments, you'll have to unplug from technology. Your phone, laptop and any other electronic gadgets will also need to be sent through the scanner. > - Travelling with a new cologne or perfume? Not a problem. As long as it's in a container no larger than 3.4 ounces (100 millilitres) and it's stored in a clear zip-lock bag, you can keep it with you in your carry-on luggage. > - Lightweight sneakers are a clever footwear choice as you're less likely to be required to remove them when passing through security. Hiking boots and other heavy shoes are often subjected to extra screening. > - Airlines won't allow any sharp or pointed objects to come on board with you. If you must bring these kinds of items, pack them safely in your checked baggage. ## Book with confidence # Expedia flights to Swansea Searching for cheap flights to Swansea? No travel company presents more choices than Expedia if you're looking to compare flights to Swansea. 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 Swansea. 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 Swansea 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 Swansea 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. ## Travel information | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Return price | £610 | ## Trending flights to Swansea Prices were available within the past 7 days and start at £374 for one-way flights and £610 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 ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 15 Apr - Mon, 20 Apr LHR London STL St. Louis £610 Return found 20 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:15/04/2026TANYT&leg2=from:STL,to:LHR,departure:20/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:609.59&airProductToken=AQp_Cj4IwoIBEgQxNTM4GOuJASDvWSiStIoDMPK3igM4T0AAWAFqBU5PQkFHcghPTFg4QzFCNHoKCMGCARIEMTUzOAo9CMKCARIENTQ0NBjvWSDyXCj4uIoDMJ26igM4T0ABWAFqBU5PQkFHcghPTFg4QzFCNHoKCMGCARIENTQ0NAqBAQo-CMKCARIENDc1MhjyXCCjsQEo7_GKAzDk8ooDOE9AAFgBagVOT0JBR3IIT0xYOEMxQjR6CgjBggESBDQ3NTIKPwjCggESBDE1MzEYo7EBIOuJASiT84oDML73igM4T0ABWAFqBU5PQkFHcghPTFg4QzFCNHoKCMGCARIEMTUzMRIKCAIQARgCKgJCQRgBIgQIARABKAIoAygEMA0) \*Available to Expedia members.