United States

San Francisco

London → San Francisco

£435Round trip

7 Apr14 Apr 20277 nights

Good deal£190below typical

30% lessTypical fare £625

DepartureWed, 7 Apr 2027

17:00LHR

14h 59m1 stop

23:59SFO

Alaska AirlinesLayover in Seattle · 2h 30m

ReturnWed, 14 Apr 2027

17:50SFO

13h 15m1 stop

15:05LHR

Arrives 15 Apr 2027

Alaska AirlinesLayover in Seattle · 1h 28m

The price, in perspective

7 days before and after 7 Apr

Daily minimumDaily average

Your trip£435

You found the lowest fare

Among the nearby dates checked.

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

Observed price

Now£435

Previous price £440 → Now £435

£5 lower than first seen on 24 Oct.

Recorded observations · Not a forecast

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Observed 25 Oct 2026, 05:17 · Recheck live price before booking.