United States

San Francisco

London → San Francisco

£428Round trip

5 Dec8 Dec 20263 nights

Good deal£129below typical

23% lessTypical fare £557

DepartureSat, 5 Dec 2026

14:45LHR

14h 7m1 stop

20:52SFO

Alaska AirlinesLayover in Seattle · 1h 40m

ReturnTue, 8 Dec 2026

12:39SFO

15h 41m1 stop

12:20LHR

Arrives 9 Dec 2026

Alaska AirlinesLayover in Seattle · 3h 50m

The price, in perspective

7 days before and after 5 Dec

Daily minimumDaily averageCheaper dates

Your trip£428

Same cities and travel dates. Airlines and flight times may change.

Observed price

Now£428

Unchanged since first recorded.

Recorded observations · Not a forecast

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Observed 24 Oct 2026, 15:46 · Recheck live price before booking.