United States

San Francisco

London → San Francisco

£430Round trip

21 Jan29 Jan 20278 nights

Good deal£194below typical

31% lessTypical fare £624

DepartureThu, 21 Jan 2027

14:45LHR

14h 55m1 stop

21:40SFO

Alaska AirlinesLayover in Seattle · 2h 39m

ReturnFri, 29 Jan 2027

14:12SFO

14h 8m1 stop

12:20LHR

Arrives 30 Jan 2027

Alaska AirlinesLayover in Seattle · 2h 14m

The price, in perspective

7 days before and after 21 Jan

Daily minimumDaily average

Your trip£430

You found the lowest fare

Among the nearby dates checked.

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

Observed price

Now£430

Unchanged since first recorded.

Recorded observations · Not a forecast

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Observed 24 Oct 2026, 16:38 · Recheck live price before booking.