Title: CA $556 Cheap American Airlines fights from Chicago to London - Expedia.ca ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $556 Cheap American Airlines fights from Chicago (CHI) to London (LON) [View CA $556 flight on Tue, Nov 4, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:ORD,to:LHR,departure:04/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:555.28&airProductToken=AQpnCjEIwYIBEgM4OTQYrhwg4poBKOOb_AIw7Zz8AjhCQABYAWoFQkFTSUNyCFNMWDBENEJWCjIIwYIBEgM3MzQY4poBIOuJASi1nfwCMJCh_AI4QkABWAFqBUJBU0lDcghTTFgwRDRCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) - [Roundtrip](?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 ![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 30% 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.ca/login) ## American Airlines flights from Chicago to London (CHI→LON) Prices were available within the past 7 days and start at CA $556 for one-way flights and CA $780 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Jan 7 - Wed, Feb 11 ORD Chicago LGW London CA $780 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LGW,departure:07/01/2026TANYT&leg2=from:LGW,to:ORD,departure:11/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:779.50&airProductToken=AQpnCjEIwYIBEgQxMTAxGK4cIPMDKK3pgQMw1uqBAzhCQABYAWoFQkFTSUNyCE9MWDBFMUJWCjIIwYIBEgQ3MDE0GPMDIMuxASje64EDMNzvgQM4T0ABWAFqBUJBU0lDcghPTFgwRTFCVgpnCjIIwYIBEgQ3MDE1GMuxASDzAyju74QDMMb0hAM4T0AAWAFqBUJBU0lDcghPTFgwRTFCVgoxCMGCARIEMTM4OBjzAyCuHCjv-oQDMKn8hAM4QkABWAFqBUJBU0lDcghPTFgwRTFCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Oct 28 - Tue, Nov 4 ORD Chicago LHR London CA $819 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LHR,departure:28/10/2025TANYT&leg2=from:LHR,to:ORD,departure:04/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:818.20&airProductToken=AQoyCjAIwYIBEgI5MBiuHCDriQEohc77AjDR0fsCOEJAAFgBagVCQVNJQ3IIT0xYMEUxQlYKNAoyCMGCARIENzAwNBjriQEgrhwotJX8AjDGmfwCOE9AAFgBagVCQVNJQ3IIT0xYMEUxQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Oct 28 - Tue, Nov 4 ORD Chicago LHR London CA $826 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LHR,departure:28/10/2025TANYT&leg2=from:LHR,to:ORD,departure:04/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:826.00&airProductToken=AQpnCjIIwYIBEgQyMTI0GK4cIKOxASi0zPsCMM_N-wI4QkAAWAFqBUJBU0lDcghPTFgwRTFCVgoxCMGCARICNzgYo7EBIOuJASj7zfsCMJzS-wI4QkABWAFqBUJBU0lDcghPTFgwRTFCVgpmCjEIwYIBEgMxMDMY64kBIKlRKJuV_AIw-5j8AjhCQABYAWoFQkFTSUNyCE9MWDBFMUJWCjEIwYIBEgQzMTYyGKlRIK4cKPyZ_AIwsZv8AjhCQAFYAWoFQkFTSUNyCE9MWDBFMUJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, Feb 22 - Tue, Mar 3 ORD Chicago LHR London CA $828 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LHR,departure:22/02/2026TANYT&leg2=from:LHR,to:ORD,departure:03/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:827.48&airProductToken=AQo0CjIIwYIBEgQ3MDAzGK4cIOuJASjO8IUDMJ_0hQM4T0AAWAFqBUJBU0lDcghPTFgwRTFCVgo0CjIIwYIBEgQ3MDA2GOuJASCuHCix0oYDMM3WhgM4T0AAWAFqBUJBU0lDcghPTFgwRTFCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Jan 7 - Wed, Feb 11 ORD Chicago LGW London CA $855 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LGW,departure:07/01/2026TANYT&leg2=from:LGW,to:ORD,departure:11/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:854.50&airProductToken=AQpnCjEIwYIBEgQxMTAxGK4cIPMDKK3pgQMw1uqBAzhCQABYAWoFQkFTSUNyCE9MWDBFMUJWCjIIwYIBEgQ3MDE0GPMDIMuxASje64EDMNzvgQM4T0ABWAFqBUJBU0lDcghPTFgwRTFCVgqZAQoyCMGCARIENzAxNRjLsQEg8wMo7u-EAzDG9IQDOFFAAFgBagVCQVNJQ3IIUUxYMFQxQlYKMAjBggESAzkwMRjzAyCMAijH9YQDMJj2hAM4QkABWAFqBUJBU0lDcghRTFgwVDFCVgoxCMGCARIEMTIxORiMAiCuHCjX9oQDMKb4hAM4QkABWAFqBUJBU0lDcghRTFgwVDFCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Jan 8 - Thu, Jan 22 ORD Chicago LGW London CA $938 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LGW,departure:08/01/2026TANYT&leg2=from:LGW,to:ORD,departure:22/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:937.88&airProductToken=AQpnCjEIwYIBEgQyOTIwGK4cIPMDKJbygQMwv_OBAzhCQABYAWoFQkFTSUNyCE9MVzRGMUJWCjIIwYIBEgQ3MDE0GPMDIMuxASj-9oEDMPz6gQM4T0ABWAFqBUJBU0lDcghPTFc0RjFCVgqcAQoyCMGCARIENzAxMhjLsQEgzHAoqI6DAzD2koMDOE9AAFgBagVCQVNJQ3IIT0xYNEYxQlYKMgjBggESBDIxMjYYzHAg4poBKJSUgwMw_pSDAzhCQAFYAWoFQkFTSUNyCE9MWDRGMUJWCjIIwYIBEgQxMDM5GOKaASCuHCjmlYMDMOeWgwM4QkABWAFqBUJBU0lDcghPTFg0RjFCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Feb 6 - Fri, Feb 20 ORD Chicago LGW London CA $939 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LGW,departure:06/02/2026TANYT&leg2=from:LGW,to:ORD,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:938.88&airProductToken=AQpnCjEIwYIBEgQyNDg0GK4cIMxwKKe6hAMwz7uEAzhCQABYAWoFQkFTSUNyCE9MVzRGMUJWCjIIwYIBEgQ3MDExGMxwIMuxASjOvIQDMMLAhAM4T0ABWAFqBUJBU0lDcghPTFc0RjFCVgpnCjIIwYIBEgQ3MDEyGMuxASDMcCjI1IUDMJbZhQM4T0AAWAFqBUJBU0lDcghPTFg0RjFCVgoxCMGCARIEMjg0OBjMcCCuHCjt2oUDMKLchQM4QkABWAFqBUJBU0lDcghPTFg0RjFCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Jan 7 - Wed, Feb 11 ORD Chicago LGW London CA $942 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:LGW,departure:07/01/2026TANYT&leg2=from:LGW,to:ORD,departure:11/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:941.50&airProductToken=AQqXAQovCMGCARIDOTAzGK4cIEMo_uyBAzDr7YEDOEJAAFgBagVCQVNJQ3IIT0xXMEUxQlYKMAjBggESBDI1MjQYQyDzAyjJ8oEDMO3zgQM4QkABWAFqBUJBU0lDcghPTFcwRTFCVgoyCMGCARIENzAxNBjzAyDLsQEo_vaBAzD8-oEDOE9AAVgBagVCQVNJQ3IIT0xXMEUxQlYKmQEKMgjBggESBDcwMTUYy7EBIPMDKO7vhAMwxvSEAzhRQABYAWoFQkFTSUNyCFFMWDBUMUJWCjAIwYIBEgM5MDEY8wMgjAIox_WEAzCY9oQDOEJAAVgBagVCQVNJQ3IIUUxYMFQxQlYKMQjBggESBDEyMTkYjAIgrhwo1_aEAzCm-IQDOEJAAVgBagVCQVNJQ3IIUUxYMFQxQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ## Travel information | Origin airport | O'Hare Intl. | | --- | --- | | Destination airport | Heathrow | | Airlines serving | Aer Lingus, Air Canada, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic | | Popular airline | Aer Lingus | | Distance | 6307 km | \*Available to Expedia members.