United States

San Francisco

London → San Francisco

£661Round trip

20 Mar4 Apr 202715 nights

11% above typical

Typical fare £595

DepartureSat, 20 Mar 2027

06:00LHR

16h 45m1 stop

15:45SFO

TAP PortugalLayover in Lisbon · 1h 5m

ReturnSun, 4 Apr 2027

18:00SFO

10h 50mNonstop

12:50LHR

Arrives 5 Apr 2027

KLM Royal Dutch Airlines

The price, in perspective

7 days before and after 20 Mar

Daily minimumDaily averageCheaper dates

Your trip£661

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

Observed price

Now£661

Previous price £547 → Now £661

£114 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 24 Oct 2026, 17:38 · Recheck live price before booking.