$484 Cheap Alaska Airlines flights San Francisco (SFO) to London (LHR)

View $484 flight on Mon, Nov 24, 2025Opens in a new window

$484 Cheap Alaska Airlines flights San Francisco (SFO) to London (LHR)

Prices were available within the past 7 days and start at $484 for one-way flights and $843 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Mar 8 - Fri, Mar 20
SFO
San Francisco
LHR
London
$843 Roundtrip, found 6 days ago
$843
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sun, Mar 8 from San Francisco to London, returning Fri, Mar 20, priced at $843 found 6 days ago

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, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Popular airline
Finnair
Distance
8567 km
Average flight time
18 hours 12 mins

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