United States

San Francisco

London → San Francisco

£430Round trip

20 Jan26 Jan 20276 nights

Good deal£127below typical

23% lessTypical fare £557

DepartureWed, 20 Jan 2027

14:45LHR

16h 11m1 stop

22:56SFO

Alaska AirlinesLayover in Seattle · 3h 54m

ReturnTue, 26 Jan 2027

14:12SFO

14h 8m1 stop

12:20LHR

Arrives 27 Jan 2027

Alaska AirlinesLayover in Seattle · 2h 14m

The price, in perspective

7 days before and after 20 Jan

Daily minimumDaily averageCheaper dates

Your trip£430

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

Observed price

Now£430

Unchanged since first recorded.

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 24 Oct 2026, 16:37 · Recheck live price before booking.