$325 Cheap American Airlines flights Chicago (ORD) to London (LHR)

View $325 flight on Tue, Sep 22, 2026Opens in a new window

$325 Cheap American Airlines flights Chicago (ORD) to London (LHR)

Prices were available within the past 7 days and start at $325 for one-way flights and $852 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Mar 15 - Thu, Apr 15
ORD
Chicago
LHR
London
$852 Roundtrip, found 14 hours ago
$852
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Mon, Mar 15 from Chicago to London, returning Thu, Apr 15, priced at $852 found 14 hours ago
American Airlines
Tue, Sep 22 - Wed, Sep 30
ORD
Chicago
LHR
London
$878 Roundtrip, found 3 days ago
$878
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 22 from Chicago to London, returning Wed, Sep 30, priced at $878 found 3 days ago

Travel information

Origin airport
O'Hare Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Popular airline
United
Distance
6307 km
Average flight time
13 hours 59 mins

Explore a world of travel with Expedia