Title: £340 Cheap Flights from London to St. Louis (LON to STL) - Expedia.co.uk ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £340 Cheap Flights from London (LON) to St. Louis (STL) [View £340 flight on Mon, 26 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:STL,departure:26/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:339.92&airProductToken=AQqeAQoyCMKCARIDNDcyGOuJASDBaCjtuIMDMOq5gwM4T0AAWAFqBU5PQkFHcglPTFg1QzVCNFAKMwjCggESBDE2NDkYwWggo7EBKMS6gwMw7L-DAzhPQAFYAWoFTk9CQUdyCU9MWDVDNUI0UAozCMKCARIENDMzNhijsQEg8lwo5MKDAzDLw4MDOE9AAVgBagVOT0JBR3IJT0xYNUM1QjRQEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) - [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 ## Popular airlines from London to St. Louis, MO (STL-Lambert-St. Louis Intl.) - ![British Airways](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:lon,to:stl,departure:19/10/2025TANYT&leg2=from:stl,to:lon,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Iberia](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:stl,departure:19/10/2025TANYT&leg2=from:stl,to:lon,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![Virgin Atlantic](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:stl,departure:19/10/2025TANYT&leg2=from:stl,to:lon,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![KLM](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:stl,departure:19/10/2025TANYT&leg2=from:stl,to:lon,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![Finnair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AY.svg) Finnair [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:stl,departure:19/10/2025TANYT&leg2=from:stl,to:lon,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) - ![Air France](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg) Air France [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:stl,departure:19/10/2025TANYT&leg2=from:stl,to:lon,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) - ![Aer Lingus](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.co.uk/Flights-Search?leg1=from:lon,to:stl,departure:19/10/2025TANYT&leg2=from:stl,to:lon,departure:26/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](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 Flights from London (LON) to St. Louis (STL) Prices were available within the past 7 days and start at £340 for one-way flights and £483 for round trip, for the period specified. 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) Thu, 6 Nov - Wed, 12 Nov LGW London STL St. Louis £483 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:STL,departure:06/11/2025TANYT&leg2=from:STL,to:LGW,departure:12/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:482.68&airProductToken=AQqcAQoyCMGCARIENzAxNRjLsQEg8wMozqz8AjCmsfwCOE9AAFgBagVCQVNJQ3IIT0xUMVQxQjQKMgjBggESBDMyODMY8wMg4poBKK-y_AIwnbP8AjhCQAFYAWoFQkFTSUNyCE9MVDFUMUI0CjIIwYIBEgQyNDc1GOKaASDyXCiquPwCMKe5_AI4QkABWAFqBUJBU0lDcghPTFQxVDFCNAqcAQoyCMGCARIEMjQ3NRjyXCDimgEo7_H8AjDh8vwCOEJAAFgBagVCQVNJQ3IIT0xVMVQxQjQKMgjBggESBDI5MTUY4poBIPMDKKbz_AIwjfT8AjhCQAFYAWoFQkFTSUNyCE9MVTFUMUI0CjIIwYIBEgQ3MDE0GPMDIMuxASje9fwCMNz5_AI4T0ABWAFqBUJBU0lDcghPTFUxVDFCNBIKCAIQARgCKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 6 Nov - Wed, 12 Nov LGW London STL St. Louis £484 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:STL,departure:06/11/2025TANYT&leg2=from:STL,to:LGW,departure:12/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:483.68&airProductToken=AQqaAQoyCMGCARIENzAxMhjLsQEgzHAoiKz8AjDWsPwCOE9AAFgBagVCQVNJQ3IIT0xUMVQxQjQKMQjBggESBDIwMzUYzHAgrhwo_7H8AjC5s_wCOEJAAVgBagVCQVNJQ3IIT0xUMVQxQjQKMQjBggESBDQ5NzAYrhwg8lwo_Lf8AjDRuPwCOEJAAVgBagVCQVNJQ3IIT0xUMVQxQjQKnAEKMgjBggESBDI4OTcY8lwgo7EBKMjx_AIwv_L8AjhCQABYAWoFQkFTSUNyCE9MVTFUMUI0CjIIwYIBEgQyMzI0GKOxASDzAyj18vwCMI_0_AI4QkABWAFqBUJBU0lDcghPTFUxVDFCNAoyCMGCARIENzAxNBjzAyDLsQEo3vX8AjDc-fwCOE9AAVgBagVCQVNJQ3IIT0xVMVQxQjQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 6 Nov - Wed, 12 Nov LGW London STL St. Louis £485 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:STL,departure:06/11/2025TANYT&leg2=from:STL,to:LGW,departure:12/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:484.68&airProductToken=AQqaAQoyCMGCARIENzAxNRjLsQEg8wMozqz8AjCmsfwCOE9AAFgBagVCQVNJQ3IIT0xUMVQxQjQKMQjBggESBDExMDEY8wMgrhwolbL8AjDMs_wCOEJAAVgBagVCQVNJQ3IIT0xUMVQxQjQKMQjBggESBDQ1NzYYrhwg8lwok7T8AjDktPwCOEJAAVgBagVCQVNJQ3IIT0xUMVQxQjQKnAEKMgjBggESBDI4OTcY8lwgo7EBKMjx_AIwv_L8AjhCQABYAWoFQkFTSUNyCE9MVTFUMUI0CjIIwYIBEgQyMzI0GKOxASDzAyj18vwCMI_0_AI4QkABWAFqBUJBU0lDcghPTFUxVDFCNAoyCMGCARIENzAxNBjzAyDLsQEo3vX8AjDc-fwCOE9AAVgBagVCQVNJQ3IIT0xVMVQxQjQSCggCEAEYAioCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, 6 Nov - Mon, 10 Nov LGW London STL St. Louis £486 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LGW,to:STL,departure:06/11/2025TANYT&leg2=from:STL,to:LGW,departure:10/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:485.68&airProductToken=AQqaAQoyCMGCARIENzAxNRjLsQEg8wMozqz8AjCmsfwCOE9AAFgBagVCQVNJQ3IIT0xUMVQxQjQKMQjBggESBDExMDEY8wMgrhwolbL8AjDMs_wCOEJAAVgBagVCQVNJQ3IIT0xUMVQxQjQKMQjBggESBDQ5NzAYrhwg8lwo_Lf8AjDRuPwCOEJAAVgBagVCQVNJQ3IIT0xUMVQxQjQKmAEKMAjBggESBDUzOTgY8lwgQyiO3_wCMJLg_AI4QkAAWAFqBUJBU0lDcghPTFUxVDFCNAowCMGCARIEMTU1NRhDIPMDKPPp_AIwiev8AjhCQAFYAWoFQkFTSUNyCE9MVTFUMUI0CjIIwYIBEgQ3MDE0GPMDIMuxASje9fwCMNz5_AI4T0ABWAFqBUJBU0lDcghPTFUxVDFCNBIKCAIQARgCKgJBQRgBIgQIARABKAIoAygEMAs) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, 26 Jan - Mon, 9 Feb LHR London STL St. Louis £502 Return found 3 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:26/01/2026TANYT&leg2=from:STL,to:LHR,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:501.32&airProductToken=AQqeAQoyCMKCARIDNDU4GOuJASCMGCjCuYMDMNi6gwM4T0AAWAFqBU5PQkFHcglPTFg3VDFCNFAKMwjCggESBDE2MTIYjBgg4poBKLy7gwMw8b-DAzhPQAFYAWoFTk9CQUdyCU9MWDdUMUI0UAozCMKCARIENjg0MxjimgEg8lwowcCDAzDCwYMDOE9AAVgBagVOT0JBR3IJT0xYN1QxQjRQCmoKMwjCggESBDY4OTEY8lwgwZMBKKbdhAMww96EAzhPQABYAWoFTk9CQUdyCU9MWDdUMUI0UAozCMKCARIDMjM4GMGTASDriQEozuSEAzDU54QDOE9AAVgBagVOT0JBR3IJT0xYN1QxQjRQEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Wed, 5 Nov - Thu, 13 Nov LHR London STL St. Louis £518 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:05/11/2025TANYT&leg2=from:STL,to:LHR,departure:13/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:517.62&airProductToken=AQqaAQoxCMmEARIDNzE0GOuJASCMGCjFoPwCMNuh_AI4T0AAWAFqBUJBU0lDcghPTFg3VDFCNAoxCMmEARIDMzQ1GIwYIMGTASiFo_wCMJKn_AI4T0ABWAFqBUJBU0lDcghPTFg3VDFCNAoyCMmEARIENDM4MRjBkwEg8lwo3az8AjCqrvwCOE9AAVgBagVCQVNJQ3IIT0xYN1QxQjQKaQoyCMmEARIENDkyNBjyXCDBkwEo7_38AjCO__wCOE9AAFgBagVCQVNJQ3IIT0xYN1QxQjQKMwjJhAESBDQwMjcYwZMBIOuJASj5gP0CMISE_QI4T0ABWAFqBUJBU0lDcghPTFg3VDFCNBIKCAEQARgBKgJJQhgBIgQIARABKAIoAygEMA0) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 14 Nov - Tue, 18 Nov LHR London STL St. Louis £520 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:14/11/2025TANYT&leg2=from:STL,to:LHR,departure:18/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:519.82&airProductToken=AQqbAQozCMuYARIEMTAwMBjriQEggJMBKOaD_QIwtoT9AjhMQABYAWoFTElHSFRyCFZZMzZESExJCjEIy5gBEgM2MjMYgJMBIOBcKPeE_QIwu4n9AjhWQAFYAWoFTElHSFRyCFZZMzZESExJCjEIy5gBEgQ1ODc2GOBcIPJcKKiK_QIwj4v9AjhWQAFYAWoFTElHSFRyCFZZMzZESExJCmcKMQjLmAESBDYzNjUY8lwgqVEoprj9AjDFuf0COFZAAFgBagVMSUdIVHIIVlkyNkRITEkKMgjLmAESBDQ4MjUYqVEg64kBKPi5_QIwv739AjhWQAFYAWoFTElHSFRyCFZZMjZESExJEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwDQ) ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Fri, 14 Nov - Tue, 18 Nov LHR London STL St. Louis £525 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:14/11/2025TANYT&leg2=from:STL,to:LHR,departure:18/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:524.12&airProductToken=AQqXAQoyCMGMARIEMTM4MRjriQEg4jAo3IP9AjCshP0COExAAFgBagVMSUdIVHIIVlkzNkRITEkKLgjBjAESATQY4jAgqVEomoX9AjCTif0COFZAAVgBagVMSUdIVHIIVlkzNkRITEkKMQjBjAESBDg2NTcYqVEg8lwo_In9AjCpi_0COFZAAVgBagVMSUdIVHIIVlkzNkRITEkKZwoxCMGMARIEMjU1NxjyXCDgXCiLt_0CMOq3_QI4VkAAWAFqBUxJR0hUcghWWTI2REhMSQoyCMGMARIEOTkwMxjgXCDriQEoprj9AjCBvP0COFZAAVgBagVMSUdIVHIIVlkyNkRITEkSCggBEAEYASoCQUYYASIECAEQASgCKAMoBDAN) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, 7 Jan - Wed, 14 Jan LHR London STL St. Louis £531 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:07/01/2026TANYT&leg2=from:STL,to:LHR,departure:14/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:530.02&airProductToken=AQqkAQo2CMSYARIEODI4MBjriQEg4jAo0uWBAzCi5oEDOEVAAFgBaglNQUlOQkFTSUNyCFZZMlNKSExJCjMIxJgBEgI4NRjiMCDgXCiG54EDMO3rgQM4RUABWAFqCU1BSU5CQVNJQ3IIVlkyU0pITEkKNQjEmAESBDE0MDMY4Fwg8lwoq-2BAzCU7oEDOEVAAVgBaglNQUlOQkFTSUNyCFZZMlNKSExJCm0KNQjEmAESBDE0MDAY8lwg4Fwo9LeCAzDZuIIDOEVAAFgBaglNQUlOQkFTSUNyCFZZMjZESExJCjQIxJgBEgIzMhjgXCDriQEo3LqCAzC8voIDOEVAAVgBaglNQUlOQkFTSUNyCFZZMjZESExJEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Fri, 31 Oct - Fri, 7 Nov LHR London STL St. Louis £534 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:STL,departure:31/10/2025TANYT&leg2=from:STL,to:LHR,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:533.02&airProductToken=AQqcAQozCNamARIENDAzORjriQEg47QBKKzp-wIwue37AjhUQABYAWoFTElHSFRyCE9ZMzZES0xJCjII1qYBEgQxNjQ1GOO0ASDMfCix7vsCMKLv-wI4VEABWAFqBUxJR0hUcghPWTM2REtMSQoxCNamARIEMjI0OBjMfCDyXCjb7_sCMLbw-wI4VEABWAFqBUxJR0hUcghPWTM2REtMSQpmCjEI1qYBEgQ1Mzc0GPJcIOBcKKC6_AIwgLv8AjhUQABYAWoFTElHSFRyCE9ZMzZES0xJCjEI1qYBEgMxMDQY4Fwg64kBKMa8_AIwocD8AjhUQAFYAWoFTElHSFRyCE9ZMzZES0xJEgoIARABGAEqAlZTGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from London (LON) to St. Louis (STL) ### November is typically the cheapest month to fly From £526 - £1,249 per traveller. ## Alternative airports near St. Louis Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:LCY,to:STL,departure:19/10/2025TANYT&leg2=from:STL,to:LCY,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) STL Lambert-St. Louis Intl. Cheapest 20 min [Flights from £832](https://www.expedia.co.uk/Flights-Search?leg1=from:LCY,to:STL,departure:19/10/2025TANYT&leg2=from:STL,to:LCY,departure:25/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Travel information | Origin airport | Gatwick | | --- | --- | | Destination airport | Lambert-St. Louis Intl. | | Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic | | Return price | £483 | | Distance | 6736 km | ## 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, 20 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 LON-All Airports 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 LON-All Airports (LON) 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 LON-All Airports to Lambert-St. Louis Intl. start at just £483 and range up to £534.   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 November, 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 LON-All Airports 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.   ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Other - [Berkeley Hotels](https://www.expedia.co.uk/Berkeley-St-Louis-Hotels.0-n6272-0.Travel-Guide-Filter-Hotels) - [Bridgeton Hotels](https://www.expedia.co.uk/Bridgeton-Hotels.d7043.Travel-Guide-Hotels) - [Castle Point Hotels](https://www.expedia.co.uk/Castle-Point-Hotels.d6351830.Travel-Guide-Hotels) - [Gay-Friendly Hotels in Creve Coeur](https://www.expedia.co.uk/Creve-Coeur-St-Louis-Hotels-Gay-Friendly-Hotel.0-n7717-0-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - [Creve Coeur Hotels](https://www.expedia.co.uk/Creve-Coeur-St-Louis-Hotels.0-n7717-0.Travel-Guide-Filter-Hotels) - [Earth City Hotels](https://www.expedia.co.uk/Earth-City-Hotels.d181528.Travel-Guide-Hotels) - [Edmundson Hotels](https://www.expedia.co.uk/Edmundson-St-Louis-Hotels.0-n8173-0.Travel-Guide-Filter-Hotels) - 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