$509 Cheap American Airlines flights Chicago (ORD) to London (LHR)

View $509 flight on Sun, Sep 13, 2026Opens in a new window

$509 Cheap American Airlines flights Chicago (ORD) to London (LHR)

Prices were available within the past 7 days and start at $509 for one-way flights and $884 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Oct 19 - Thu, Oct 29
ORD
Chicago
LHR
London
$884 Roundtrip, found 5 days ago
$884
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Oct 19 from Chicago to London, returning Thu, Oct 29, priced at $884 found 5 days ago

Find the cheapest month to fly from Chicago (ORD) to London (LHR)

May is typically the cheapest month to fly

From $563 - $1,066 per traveler.

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, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United
Popular airline
United
Distance
6307 km
Average flight time
14 hours 2 mins

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