$399 Cheap American Airlines flights Los Angeles (LAX) to London (LHR)

View $399 flight on Wed, Apr 15, 2026Opens in a new window

$399 Cheap American Airlines flights Los Angeles (LAX) to London (LHR)

Prices were available within the past 7 days and start at $399 for one-way flights and $689 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Aug 25 - Tue, Oct 6
LAX
Los Angeles
LHR
London
$689 Roundtrip, found 14 hours ago
$689
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Aug 25 from Los Angeles to London, returning Tue, Oct 6, priced at $689 found 14 hours ago
American Airlines
Tue, Aug 25 - Tue, Oct 6
LAX
Los Angeles
LHR
London
$694 Roundtrip, found 14 hours ago
$694
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Tue, Aug 25 from Los Angeles to London, returning Tue, Oct 6, priced at $694 found 14 hours ago

Find the cheapest month to fly from Los Angeles (LAX) to London (LHR)

September is typically the cheapest month to fly

From $392 - $935 per traveler.
Flights from Los Angeles (LAX) to London (LHR)
Origin airport
Los Angeles 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, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Popular airline
United
Distance
8708 km
Average flight time
18 hours 28 mins