United States
San Francisco
London → San Francisco
£427Round trip
16 nights
Good deal£167below typical
28% lessTypical fare £594
Departure
LHR
13h 58m1 stop
SFO
Return
SFO
15h 41m1 stop
LHR
The price, in perspective
Nearby departure dates
7 days before and after 20 Nov
Daily minimumDaily average
Your trip£427
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You found the lowest fare
Among the nearby dates checked.
Price history for these dates
Same cities and travel dates. Airlines and flight times may change.
Observed price
Now£427
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Previous price £426 → Now £427
£1 higher than first seen on 23 Oct.
Recorded observations · Not a forecast
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Observed 24 Oct 2026, 08:12 · Recheck live price before booking.