Title: £336 Cheap American Airlines flights from London to Chicago (LHR→ORD) - Expedia.co.uk ![City of Chicago. Image of Chicago downtown and Chicago River with bridges at sunny summer day](https://images.trvl-media.com/place/178248/e6aa83ce-7ad8-43a5-9d1d-b055eefa7e78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178248/e6aa83ce-7ad8-43a5-9d1d-b055eefa7e78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £336 Cheap American Airlines flights from London to Chicago (LHR→ORD) [View £336 flight on Mon, 23 Feb 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:ORD,departure:23/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:335.92&airProductToken=AQpnCjIIwYIBEgQ2OTEyGOuJASDvWSiW94UDMPv6hQM4T0AAWAFqBUJBU0lDcghPTFg1QzVCNAoxCMGCARIEMzE3NxjvWSCuHCiH_IUDMKH9hQM4QkABWAFqBUJBU0lDcghPTFg1QzVCNBIKCAIQARgCKgJBQRgBIgQIARABKAIoAygEMAs) - [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 - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## American Airlines flights from London to Chicago (LHR→ORD) Prices were available within the past 7 days and start at £336 for one-way flights and £397 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) Fri, 3 Oct - Wed, 15 Oct LHR London ORD Chicago £397 Return found 4 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:ORD,departure:03/10/2025TANYT&leg2=from:ORD,to:LHR,departure:15/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:396.72&airProductToken=AQplCjIIwYIBEgQ2ODExGOuJASDBaCjbqvkCMN2r-QI4U0AAWAFqBUJBU0lDcghPTFQxSzFCNAovCMGCARICNDEYwWggrhworaz5AjD2sPkCOEJAAVgBagVCQVNJQ3IIT0xUMUsxQjQKaAoyCMGCARIEMzQ3NRiuHCDBkwEo2rj6AjDuufoCOEJAAFgBagVCQVNJQ3IIT0xVMUsxQjQKMgjBggESAzEwOBjBkwEg64kBKMq6-gIw2r36AjhCQAFYAWoFQkFTSUNyCE9MVTFLMUI0EgoIAhABGAIqAkFBGAEiBAgBEAEoAigDKAQwCw) Flight from London to Chicago route information | Origin airport | Heathrow | | --- | --- | | Destination airport | O'Hare Intl. | | Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic | | Popular airline | Aer Lingus | | Distance | 6307 km | | Average flight time | 2 hours 44 mins | ## Frequently asked questions ### How much is an American Airlines flight from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD)? > Apply the "Price (lowest to highest)" filter on Expedia to find cheap American Airlines round-trip flights from £397 from LHR to ORD. Affordable one-way tickets from £336 are also available.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from LHR to ORD with American Airlines? > January is one of the cheapest months to travel to Chicago with American Airlines. You could also find excellent prices on one-way and return fares in February. ### Does American Airlines fly nonstop from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD)? > American Airlines has direct flights from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD), with 12 weekly departures. Just choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct American Airlines flights to ORD. ### How long does it take to fly from LHR to ORD with American Airlines? > Depart Heathrow Airport (LHR) for O'Hare Intl. Airport (ORD) on a direct American Airlines flight, and you'll be in the skies for approximately 8h 50m. ### Which day of the week has the most American Airlines flights from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD)? > If flexibility is what you're after, Wednesday offers the most choice for American Airlines flights from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD). Take your pick of 2 different departures. ### What airports does American Airlines fly into in Chicago? > Take an American Airlines flight from Heathrow Airport (LHR) to Chicago, and you'll most likely touch down at O'Hare Intl. Airport (ORD). This is the airline's primary hub in this destination. ### What type of plane does American Airlines fly from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD)? > Chances are you'll catch a Boeing 787-9 for your American Airlines flight from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD). However, you could end up on an alternative aircraft if operational demands require it. ### Can I change or cancel my American Airlines flight from Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD)? > Depending on the ticket type you purchased, a fee generally applies if you modify or cancel your booking more than 24 hours after confirmation. To secure flexible fares, select our "Changes included" and "No cancel fee" boxes when you search for flights. For more information on changing or cancelling your reservation, visit "[Trips](https://www.expedia.co.uk/trips)," select your flight and click on "Manage Booking." - Trending American Airlines Flights - Trending Routes - Related Airlines - Nearby Airports - Flights from Other Cities - Expedia's Latest Trends ### Most Popular American Airlines Routes from London - [American Airlines LHR to EWR](https://expedia.co.uk/lp/flight-routes/american-airlines-from-heathrow-to-newark-liberty-intl-airport/aa/lhr/ewr) - [American Airlines LHR to ORD](https://expedia.co.uk/lp/flight-routes/american-airlines-from-heathrow-to-ohare-intl/aa/lhr/ord) - [American Airlines LHR to MCO](https://expedia.co.uk/lp/flight-routes/american-airlines-from-heathrow-to-orlando-intl/aa/lhr/mco) - [American Airlines LHR to JFK](https://expedia.co.uk/lp/flight-routes/american-airlines-from-heathrow-to-john-f-kennedy-intl/aa/lhr/jfk) - [American Airlines LHR to SYD](https://expedia.co.uk/lp/flight-routes/american-airlines-from-heathrow-to-kingsford-smith-intl/aa/lhr/syd) ### Most Popular American Airlines Routes from Chicago - [American Airlines ORD to MCI](https://expedia.co.uk/lp/flight-routes/american-airlines-from-ohare-intl-to-kansas-city-intl/aa/ord/mci) - [American Airlines ORD to SAN](https://expedia.co.uk/lp/flight-routes/american-airlines-from-ohare-intl-to-san-diego-intl/aa/ord/san) - [American Airlines ORD to MSP](https://expedia.co.uk/lp/flight-routes/american-airlines-from-ohare-intl-to-minneapolis-st-paul-intl/aa/ord/msp) - [American Airlines ORD to ATL](https://expedia.co.uk/lp/flight-routes/american-airlines-from-ohare-intl-to-hartsfield-jackson-atlanta-intl/aa/ord/atl) - [Manchester to New York (MAN - JFK)](https://expedia.co.uk/lp/flights/man/jfk/manchester-to-new-york) - [London to Miami (LHR - MIA)](https://expedia.co.uk/lp/flights/lhr/mia/london-to-miami) - [London to Atlanta (LHR - ATL)](https://expedia.co.uk/lp/flights/lhr/atl/london-to-atlanta) - [London to Kingston (LHR - KIN)](https://expedia.co.uk/lp/flights/lhr/kin/london-to-kingston) - [New York to London (JFK - LHR)](https://expedia.co.uk/lp/flights/jfk/lhr/new-york-to-london) - [London to Orlando (LHR - MCO)](https://expedia.co.uk/lp/flights/lhr/mco/london-to-orlando) - [London to Montego Bay (LHR - MBJ)](https://expedia.co.uk/lp/flights/lhr/mbj/london-to-montego-bay) - [London to Toronto (LHR - YYZ)](https://expedia.co.uk/lp/flights/lhr/yyz/london-to-toronto) - [London to Kingston (LHR - KIN)](https://expedia.co.uk/lp/flights/lhr/kin/london-to-kingston) - [Manchester to Orlando (MAN - MCO)](https://expedia.co.uk/lp/flights/man/mco/manchester-to-orlando) ### Popular Domestic Routes in O'Hare Intl. - [London to Newark Liberty Intl. 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