Flights from London to Chicago available from GBP 375*

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Our best rates from London to Chicago

Jul 2025
FromGBP 662*
Fare: Round trip/Economy
Displaying fares for July-2025
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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)
    01 10 2025 - 20 10 2025
    From
    GBP 444
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    01 10 2025 - 06 10 2025
    From
    GBP 444
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    01 10 2025 - 08 10 2025
    From
    GBP 444
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    01 10 2025 - 15 10 2025
    From
    GBP 444
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    01 10 2025 - 16 10 2025
    From
    GBP 444
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    01 10 2025 - 21 10 2025
    From
    GBP 444
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    01 10 2025 - 22 10 2025
    From
    GBP 444
    Round trip
    Economy

    London (LON)to

    Chicago (ORD)
    01 10 2025 - 23 10 2025
    From
    GBP 444
    Round trip
    Economy

    London (LGW)to

    Chicago (ORD)
    09 09 2025 - 12 09 2025
    From
    GBP 479
    Round trip
    Economy

    London (LGW)to

    Chicago (ORD)
    29 07 2025 - 13 08 2025
    From
    GBP 768
    Round trip
    Economy

    *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.

    Blue image with a map of Iceland and text that reads: Include a little more of Iceland in your journey. Add a Stopover

    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 (LON)Chicago (ORD)Round trip
    /
    Economy    		25 03 2026 - 31 03 2026

    From

    GBP 420

    Viewed 22 hrs ago

    London (LON)Chicago (ORD)Round trip
    /
    Economy    		17 03 2026 - 29 03 2026

    From

    GBP 420

    Viewed 22 hrs ago

    London (LON)Chicago (ORD)Round trip
    /
    Economy    		18 03 2026 - 26 03 2026

    From

    GBP 420

    Viewed 22 hrs ago

    London (LON)Chicago (ORD)Round trip
    /
    Economy    		19 03 2026 - 29 03 2026

    From

    GBP 420

    Viewed 22 hrs ago

    London (LON)Chicago (ORD)Round trip
    /
    Economy    		21 03 2026 - 26 03 2026

    From

    GBP 420

    Viewed 22 hrs ago

    London (LON)Chicago (ORD)Round trip
    /
    Economy    		21 03 2026 - 30 03 2026

    From

    GBP 420

    Viewed 22 hrs ago

    London (LON)Chicago (ORD)Round trip
    /
    Economy    		23 03 2026 - 29 03 2026

    From

    GBP 420

    Viewed 22 hrs ago

    London (LON)Chicago (ORD)Round trip
    /
    Economy    		24 03 2026 - 31 03 2026

    From

    GBP 420

    Viewed 22 hrs ago

    London (LON)Chicago (ORD)Round trip
    /
    Economy    		10 03 2026 - 14 03 2026

    From

    GBP 420

    Viewed 22 hrs 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.