$398 Cheap American Airlines flights Chicago (ORD) to London (LHR)

View $398 flight on Sun, Nov 23, 2025Opens in a new window

$398 Cheap American Airlines flights Chicago (ORD) to London (LHR)

Prices were available within the past 7 days and start at $398 for one-way flights and $645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jan 5 - Tue, Jan 13
ORD
Chicago
LHR
London
$645 Roundtrip, found 6 hours ago
$645
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Mon, Jan 5 from Chicago to London, returning Tue, Jan 13, priced at $645 found 6 hours ago
Flights from Chicago (ORD) to London (LHR)
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
Austrian Airlines
Distance
6307 km
Average flight time
13 hours 55 mins