Flights from Chicago to London from USD 645

Promo Code

Flights from Chicago to London

Apr 2026
FromUSD 645*
Viewed 1 day ago
Flight Type Round Trip|Economy Class
May 2026
Try another month to see offers
Jun 2026
Try another month to see offers
USD 645
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    • RangeUSD 645-USD 891

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Best Flight Deals from Chicago to London

    USD
    keyboard_arrow_down
    Best Flight Deals from Chicago to London
    From
    To
    Fare Type
    Dates
    Price
    Chicago (ORD)London (LHR)Round trip
    |
    Economy    		15/07/2026 - 25/08/2026

    From

    USD 1,192

    Viewed 1 day ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Business Flights Deals

    USD

    Chicago (ORD)to

    London (LHR)
    19/04/2026 - 22/04/2026

    Round trip

    Business

    From
    USD 5,590
    Viewed 10 hours ago

    Chicago (ORD)to

    London (LHR)
    22/04/2026 - 09/05/2026

    Round trip

    Business

    From
    USD 6,247
    Viewed 1 day ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

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