$635 Cheap American Airlines flights London (LHR) to Chicago (ORD)

View $635 flight on Wed, Sep 23, 2026Opens in a new window

$635 Cheap American Airlines flights London (LHR) to Chicago (ORD)

Prices were available within the past 7 days and start at $635 for one-way flights and $926 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Apr 28 - Mon, May 4
LHR
London
ORD
Chicago
$926 Roundtrip, found 12 hours ago
$926
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Apr 28 from London to Chicago, returning Mon, May 4, priced at $926 found 12 hours ago

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

February is typically the cheapest month to fly

From $461 - $740 per traveler.

Travel information

Origin airport
Heathrow
Destination airport
O'Hare Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, 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, Virgin Atlantic
Popular airline
Icelandair
Distance
6307 km
Average flight time
2 hours 52 mins

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