American Airlines flights from Chicago to London

Recent searches for flights from Chicago to London

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Find deals on Chicago to London flights

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Chicago (ORD)to

London (LON)
10/15/25 - 10/24/25

Round trip

Economy

from
$517Fare subject to changes
Updated: 18 hours ago

Chicago (ORD)to

London (LON)
11/07/25 - 11/14/25

Round trip

Economy

from
$535Fare subject to changes
Updated: 5 hours ago

Chicago (ORD)to

London (LON)
10/16/25 - 10/23/25

Round trip

Economy

from
$544Fare subject to changes
Updated: 20 hours ago

Chicago (ORD)to

London (LON)
11/03/25 - 11/10/25

Round trip

Economy

from
$548Fare subject to changes
Updated: 17 hours ago

Chicago (ORD)to

London (LON)
11/25/25 - 12/02/25

Round trip

Economy

from
$550Fare subject to changes
Updated: 22 hours ago

Chicago (ORD)to

London (LON)
03/11/26 - 03/21/26

Round trip

Economy

from
$577Fare subject to changes
Updated: 6 hours ago

Chicago (ORD)to

London (LON)
03/27/26 - 04/03/26

Round trip

Economy

from
$583Fare subject to changes
Updated: 5 hours ago

Chicago (ORD)to

London (LON)
10/25/25 - 11/22/25

Round trip

Economy

from
$593Fare subject to changes
Updated: 13 hours ago

*Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

American Airlines flights from Chicago to London