Title: Cheap Flights to Bethalto - Expedia.co.uk ![Scenic view of the Clark Bridge across the Mississippi River from Missouri to Illinois with Alton behind it](https://images.trvl-media.com/place/79380/d3ce42b8-a4f6-441e-b7ea-c615cff3623c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/79380/d3ce42b8-a4f6-441e-b7ea-c615cff3623c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £375 Cheap Flights to Bethalto [View £375 flight on Tue, 1 Sept 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:DUB,to:STL,departure:01/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:374.74&airProductToken=AQpyCi8IxZIBEgMxNjIYgw0g64kBKKLPlgMw_M-WAzhaQABYAWoGTE9XX0xIcgVaT1cyMwo_CMWSARIEODkyMRjriQEg8lwo3dGWAzD-1ZYDOE9AAFgBagZMT1dfTEhyCE9MWDVDNU00egoIwoIBEgQ4OTIxEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwDQ) [Hotels in Bethalto](https://expedia.co.uk/Bethalto-Hotels.d79380.Travel-Guide-Hotels)[Bethalto Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Bethalto.d79380.Car-Hire-Guide)[Bethalto Holidays](https://expedia.co.uk/Bethalto.d79380.Holidays-City-Breaks) ## Popular airlines to Bethalto - ![](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:Bethalto, Illinois, United States of America,departure:16/04/2026TANYT&leg2=from:Bethalto, Illinois, United States of America,to:CMH,departure:23/04/2026TANYT&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:Bethalto, Illinois, United States of America,departure:16/04/2026TANYT&leg2=from:Bethalto, Illinois, United States of America,to:CMH,departure:23/04/2026TANYT&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:Bethalto, Illinois, United States of America,departure:16/04/2026TANYT&leg2=from:Bethalto, Illinois, United States of America,to:CMH,departure:23/04/2026TANYT&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:Bethalto, Illinois, United States of America,departure:16/04/2026TANYT&leg2=from:Bethalto, Illinois, United States of America,to:CMH,departure:23/04/2026TANYT&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:Bethalto, Illinois, United States of America,departure:16/04/2026TANYT&leg2=from:Bethalto, Illinois, United States of America,to:CMH,departure:23/04/2026TANYT&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:Bethalto, Illinois, United States of America,departure:16/04/2026TANYT&leg2=from:Bethalto, Illinois, United States of America,to:CMH,departure:23/04/2026TANYT&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:Bethalto, Illinois, United States of America,departure:16/04/2026TANYT&leg2=from:Bethalto, Illinois, United States of America,to:CMH,departure:23/04/2026TANYT&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 Bethalto Prices were available within the past 7 days and start at £375 for one-way flights and £633 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) Wed, 9 Sept - Wed, 23 Sept LHR London STL St. Louis £633 Return found 6 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:09/09/2026TANYT&leg2=from:STL,to:LHR,departure:23/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:632.59&airProductToken=AQpACj4IwYIBEgQ2OTMyGOuJASDyXCjdq5cDMP6vlwM4T0AAWAFqBUJBU0lDcghPTFg4QzFCNHoKCMKCARIENjkzMgpoCjIIwYIBEgQzMDk2GPJcIOKaASirypgDMKHLmAM4QkAAWAFqBUJBU0lDcghPTFg5QzNCNAoyCMGCARIDNzMwGOKaASDriQEoo8yYAzCD0JgDOEJAAVgBagVCQVNJQ3IIT0xYOUMzQjQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, 9 Sept - Wed, 23 Sept LHR London STL St. Louis £646 Return found 6 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:09/09/2026TANYT&leg2=from:STL,to:LHR,departure:23/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:645.59&airProductToken=AQozCjEIwoIBEgMyMjEY64kBIPJcKN2rlwMw_q-XAzhPQABYAWoFTk9CQUdyCE9MVTFDMUI0CoEBCj4IwoIBEgQyMzc0GPJcIOKaASibzJgDMJHNmAM4T0AAWAFqBU5PQkFHcghPTFg5QzNCNHoKCMGCARIEMjM3NAo_CMKCARIEMTU5NxjimgEg64kBKLTNmAMwmdGYAzhPQAFYAWoFTk9CQUdyCE9MWDlDM0I0egoIwYIBEgQxNTk3EgoIAhABGAIqAkJBGAEiBAgBEAEoAigDKAQwDQ) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Mon, 27 Apr - Mon, 11 May LHR London STL St. Louis £647 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:27/04/2026TANYT&leg2=from:STL,to:LHR,departure:11/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:646.19&airProductToken=AQpyCjEI1qYBEgMxMDMY64kBIOBcKMe6iwMw7b6LAzhUQABYAWoFTElHSFRyCE9ZMkVERExBCj0I1qYBEgQ1MzE3GOBcIPJcKKXBiwMwi8KLAzhUQAFYAWoFTElHSFRyCE9ZMkVERExBegoIxJgBEgQ1MzE3Cn8KPQjWpgESBDUzNzIY8lwg4Fwowd6MAzCo34wDOFRAAFgBagVMSUdIVHIIT1kyRURETEF6CgjEmAESBDUzNzIKPgjWpgESBDQwNjcY4Fwg64kBKKbgjAMwn-SMAzhUQAFYAWoFTElHSFRyCE9ZMkVERExBegoIxJgBEgQ0MDY3EgoIARABGAEqAlZTGAEiBAgBEAEoAigDKAQwAQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Mon, 1 Feb - Sun, 7 Feb LHR London STL St. Louis £647 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:01/02/2027TANYT&leg2=from:STL,to:LHR,departure:07/02/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:646.95&airProductToken=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) ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Mon, 7 Sept - Mon, 14 Sept LHR London STL St. Louis £648 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:07/09/2026TANYT&leg2=from:STL,to:LHR,departure:14/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:647.54&airProductToken=AQqkAQoyCMGMARIEMTE4MRjriQEg4jAo5ZaXAzCwl5cDOExAAFgBagVMSUdIVHIIVlkyU0pCTEEKLwjBjAESAjMwGOIwIOBcKJmdlwMwzqGXAzhWQAFYAWoFTElHSFRyCFZZMlNKQkxBCj0IwYwBEgQ1OTk0GOBcIPJcKKOilwMwiaOXAzhWQAFYAWoFTElHSFRyCFZZMlNKQkxBegoIxJgBEgQ1OTk0Cn8KPQjBjAESBDg1NzUY8lwgqVEo2eaXAzDt55cDOFZAAFgBagVMSUdIVHIIVlkyU0pCTEF6CgjEmAESBDg1NzUKPgjBjAESBDM2NjIYqVEg64kBKPjolwMwsOyXAzhWQAFYAWoFTElHSFRyCFZZMlNKQkxBegoIxJgBEgQzNjYyEgoIARABGAEqAkFGGAEiBAgBEAEoAigDKAQwDQ) ## 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 Bethalto's airport? ### How far is Lambert-St. Louis Intl. Airport (STL) from central Bethalto? ### What airport is best to fly into Bethalto? ### How many airlines fly to Bethalto? ### Which airlines fly to Bethalto? ### How many nonstop flights are there to Bethalto? ### Where are the most popular flights to Bethalto departing from? ### How long is the flight to Bethalto Airport? ### How to book the cheapest flight to Bethalto? ### Do you have any tips for my flight to Bethalto? > - The trick to having an awesome travel experience is to be prepared. So, let's start with the essentials: passport, travel docs, cash and important medications. Next, bring on board items that'll help while away those hours, like some electronic gadgets or a thrilling book. You'll also want to bring your chargers, a comfy neck pillow and a pair of headphones. Last but not least, don't forget to squeeze in toiletry items like a toothbrush, cleansing wipes and a fresh change of clothes. > > > Do not pack the following items in your hand luggage: > > > - Squeeze all your full-sized bottles of hair gel and hairspray in your checked baggage. Any liquids or gels in your carry-on suitcase larger than 3.4 ounces (100 millilitres) will be confiscated by authorities. Sharp or pointed objects, like a pocket knife, and products which are explosive or flammable, such as aerosol cans, flares and poisons, are also not allowed. > > > What to wear on a flight: > > > - The aisles of an airplane are no place for a fashion parade. Wear layers and choose shoes that are flat and easy to remove. > - Deep vein thrombosis (DVT) is a potential risk on long-haul flights. It results from blood clotting due to inactivity and poor circulation, so do some gentle leg and foot exercises in your seat and consider wearing compression tights or socks. ### How to get through airport security fast when flying to Bethalto? > - Airport security personnel first need to make sure that you have a valid passport and matching boarding pass before you're allowed to proceed any further. Have them within easy reach, ready for inspection. > - Your belt, coat, keys and other items in your pocket, like your earphones, will need to go through the X-ray machine. Make the whole process easier by removing them as your turn draws near. > - Electronic devices like laptops and phones will also have to go through the machine to be scanned. Don't worry, you'll be back online soon enough. > - Can't travel without your favourite perfume or cologne? No problem. As long as the volume is no larger than 3.4 ounces (100 millilitres) and it's stored in a clear zip-close bag, you're allowed to bring it with you in your carry-on baggage. > - Lightweight sneakers are a good footwear choice as you're less likely to be required to remove them when passing through security. Boots and other bulky shoes are often subjected to additional screening. > - Airlines will not allow any sharp or pointed objects in your hand luggage. If you must bring these kinds of items, put them in your checked baggage. ## Book with confidence # Expedia flights to Bethalto Searching for cheap flights to Bethalto? No travel company presents more choices than Expedia if you're looking to compare flights to Bethalto. 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 Bethalto. 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 Bethalto 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 Bethalto 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 | £633 | ## Trending flights to Bethalto Prices were available within the past 7 days and start at £375 for one-way flights and £633 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) Wed, 9 Sept - Wed, 23 Sept LHR London STL St. Louis £633 Return found 6 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:09/09/2026TANYT&leg2=from:STL,to:LHR,departure:23/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:632.59&airProductToken=AQpACj4IwYIBEgQ2OTMyGOuJASDyXCjdq5cDMP6vlwM4T0AAWAFqBUJBU0lDcghPTFg4QzFCNHoKCMKCARIENjkzMgpoCjIIwYIBEgQzMDk2GPJcIOKaASirypgDMKHLmAM4QkAAWAFqBUJBU0lDcghPTFg5QzNCNAoyCMGCARIDNzMwGOKaASDriQEoo8yYAzCD0JgDOEJAAVgBagVCQVNJQ3IIT0xYOUMzQjQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) \*Available to Expedia members.