$495 Cheap American Airlines flights San Francisco (SFO) to London (LHR)

View $495 flight on Tue, May 5, 2026Opens in a new window

$495 Cheap American Airlines flights San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at $495 for one-way flights and $912 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, May 5 - Fri, Jun 5
SFO
San Francisco
LHR
London
$912 Roundtrip, found 10 hours ago
$912
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Tue, May 5 from San Francisco to London, returning Fri, Jun 5, priced at $912 found 10 hours ago

Find the cheapest month to fly from San Francisco (SFO) to London (LHR)

April is typically the cheapest month to fly

From $553 - $1,054 per traveler.

Travel information

Origin airport
San Francisco 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, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic, WestJet
Popular airline
United
Distance
8567 km
Average flight time
18 hours 30 mins

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