United States

San Francisco

London → San Francisco

£429Round trip

23 Jan30 Jan 20277 nights

Good deal£198below typical

32% lessTypical fare £627

DepartureSat, 23 Jan 2027

14:45LHR

16h 11m1 stop

22:56SFO

Alaska AirlinesLayover in Seattle · 3h 54m

ReturnSat, 30 Jan 2027

14:12SFO

14h 8m1 stop

12:20LHR

Arrives 31 Jan 2027

Alaska AirlinesLayover in Seattle · 2h 14m

The price, in perspective

7 days before and after 23 Jan

Daily minimumDaily average

Your trip£429

You found the lowest fare

Among the nearby dates checked.

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

Observed price

Now£429

Unchanged since first recorded.

Recorded observations · Not a forecast

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Observed 24 Oct 2026, 16:40 · Recheck live price before booking.