American Airlines flights from Chicago to London
expand_more
1 Adult, Economy class
expand_moreexpand_more
today
today
Recent searches for flights from Chicago to London
location_on
location_on
Find deals on Chicago to London flights
flight_takeoff
flight_land
$
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.
