United States

San Francisco

London → San Francisco

£431Round trip

25 Jan31 Jan 20276 nights

Good deal£194below typical

31% lessTypical fare £625

DepartureMon, 25 Jan 2027

14:45LHR

14h 55m1 stop

21:40SFO

Alaska AirlinesLayover in Seattle · 2h 39m

ReturnSun, 31 Jan 2027

14:12SFO

14h 8m1 stop

12:20LHR

Arrives 1 Feb 2027

Alaska AirlinesLayover in Seattle · 2h 14m

The price, in perspective

7 days before and after 25 Jan

Daily minimumDaily averageCheaper dates

Your trip£431

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

Observed price

Now£431

Previous price £430 → Now £431

£1 higher than first seen on 24 Oct.

Recorded observations · Not a forecast

Not ready yet? Follow this route

Get alerts for matching deals and price changes.

More departure options

Would you take this trip?

Observed 25 Oct 2026, 04:18 · Recheck live price before booking.