United States

San Francisco

London → San Francisco

£431Round trip

18 Feb27 Feb 20279 nights

Good deal£145below typical

25% lessTypical fare £576

DepartureThu, 18 Feb 2027

14:45LHR

15h 24m1 stop

22:09SFO

Alaska AirlinesLayover in Seattle · 3h 5m

ReturnSat, 27 Feb 2027

14:45SFO

13h 35m1 stop

12:20LHR

Arrives 28 Feb 2027

Alaska AirlinesLayover in Seattle · 1h 44m

The price, in perspective

7 days before and after 18 Feb

Daily minimumDaily averageCheaper dates

Your trip£431

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

Observed price

Now£431

Previous price £429 → Now £431

£2 higher than first seen on 24 Oct.

Recorded observations · Not a forecast

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Observed 24 Oct 2026, 17:07 · Recheck live price before booking.