Flights from London to Chicago available from GBP 542*

Promo code

Our best rates from London to Chicago

Jul 2026
FromGBP 782*
Fare: Round trip/Economy
Aug 2026
FromGBP 566*
Fare: Round trip/Economy
Sep 2026
FromGBP 542*
Fare: Round trip/Economy
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    • *Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking

    Fly in the next three months: flights from London to Chicago

    GBP

    London (LON)to

    Chicago (ORD)
    07 07 2026 - 25 08 2026
    From
    GBP 782
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    11 08 2026 - 18 08 2026
    From
    GBP 846
    Round trip
    Economy

    London (LHR)to

    Chicago (ORD)
    28 09 2026 - 14 10 2026
    From
    GBP 561
    Round trip
    Economy

    London (LGW)to

    Chicago (ORD)
    21 07 2026 - 25 07 2026
    From
    GBP 1,262
    Round trip
    Economy

    London (LHR)to

    Chicago (ORD)
    07 09 2026 - 29 09 2026
    From
    GBP 561
    Round trip
    Economy

    London (LHR)to

    Chicago (ORD)
    13 07 2026 - 28 07 2026
    From
    GBP 789
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    28 09 2026 - 13 10 2026
    From
    GBP 561
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    01 09 2026 - 28 12 2026
    From
    GBP 604
    Round trip
    Economy

    London (LHR)to

    Chicago (ORD)
    31 08 2026 - 07 09 2026
    From
    GBP 566
    Round trip
    Economy

    London (LGW)to

    Chicago (ORD)
    28 09 2026 - 09 10 2026
    From
    GBP 542
    Round trip
    Economy
    *Fares displayed have been collected within the last 72 hours and may no longer be available at the time of booking. We display fares for Economy Light as standard, but it is possible to change your class of service during the booking process. You can also add baggage meals and extra legroom to your trip during booking.

    Plan ahead for your trip from London to Chicago with Icelandair

    GBP
    Plan ahead for your trip from London to Chicago with Icelandair
    From
    To
    Fare type
    Dates
    Price
    London (LGW)Chicago (ORD)Round trip
    /
    Economy    		18 02 2027 - 04 03 2027

    From

    GBP 584

    Viewed 1 day ago

    London (LGW)Chicago (ORD)Round trip
    /
    Economy    		04 05 2027 - 20 05 2027

    From

    GBP 599

    Viewed 2 days ago

    *Fares displayed have been collected within the last 72hrs and may no longer be available at the time of booking. We display fares for Economy Light as standard but it is possible to change your class of service during the booking process. You can also add baggage, meals and extra legroom to your trip during booking.

    Flights to Chicago from London

    For the best fares and an unparalleled flying experience, choose Icelandair to fly from London (LHR/LGW) to Chicago O’Hare (ORD). With hundreds of hours of in-flight entertainment and Wi-Fi access on most flights, your journey to the ‘Windy City’ will literally fly by.

     

    FAQs about travel from London to Chicago

    Helpful information for travellers visiting Chicago

    How do you find cheap flights to Chicago from London?

    To find cheap flights from London to Chicago, we recommend being flexible about when you fly as well as which airport you fly from.

    We also advise checking our flight deals often and booking your holiday in advance to secure the best price.

    What is the distance from London to Chicago O’ Hare?

    The distance from London to Chicago O'Hare International Airport is approximately 3,950 miles (6,352 kilometres). But please note that the actual flight distance may differ based on the specific airline’s route and other factors.

    What is the London to Chicago flight time?

    The flight duration from London Heathrow to Chicago O’Hare International Airport (ORD) is roughly 8-9 hours non-stop.

    This is the same for passengers flying to Chicago from London Gatwick. Please note that this does not account for any layovers you might have on your route.

    When is the best time to fly to Chicago from London?

    The best time to fly to Chicago from London is undoubtedly during spring or autumn. Embrace the city's enchanting transformation seasons as nature simply shows off!

    Witness a colourful tapestry of wonderous events, from cherry blossoms in full bloom to autumn foliage painting the city in gorgeous golden hues. Plus, the mild temperatures make strolling through iconic landmarks like Millennium Park and the Magnificent Mile an unforgettable joy.

    Which airport will I go to when travelling from London to Chicago?

    Passengers flying from London to Chicago with Icelandair can fly from London Heathrow Airport or London Gatwick Airport. Use the flight finder tool above to browse flights from your preferred airport.