Flights London → San Francisco

One way · Economy · 1 adult · price per person · next 14 days from September 10, 2026

Last observed price on Aviasales for 9 of 15 dates; the lowest is $423. Prices are not guaranteed and are confirmed at booking time.

Last observed price by date

Date	Last observed price	Flight	Departure	Arrival	Stops
Thu, Sep 10	—	—	—	—	—
Fri, Sep 11	$997	Z0 Z0701 (1st of 3 flights)	1:05 PM Gatwick (LGW)	7:48 PM (+1) SFO (SFO)	2 stops · New York JFK, Atlanta Hartsfield-Jackson
Sat, Sep 12	—	—	—	—	—
Sun, Sep 13	—	—	—	—	—
Mon, Sep 14	$610	Ryanair FR256 (1st of 3 flights)	10:45 PM Stansted (STN)	12:00 PM (+2) SFO (SFO)	2 stops · Dublin, Calgary
Tue, Sep 15	—	—	—	—	—
Wed, Sep 16	$459	Ryanair FR1125 (1st of 3 flights)	3:35 PM Luton (LTN)	4:20 PM (+1) SFO (SFO)	2 stops · Palma, Madrid
Thu, Sep 17	$423lowest	Ryanair FR5996 (1st of 2 flights)	6:00 AM Stansted (STN)	4:20 PM SFO (SFO)	1 stop · Madrid
Fri, Sep 18	$441	American Airlines AA195 (1st of 2 flights)	10:05 AM Heathrow (LHR)	4:09 PM SFO (SFO)	1 stop · Phoenix Sky Harbor
Sat, Sep 19	$440	American Airlines AA135 (1st of 2 flights)	8:20 AM Heathrow (LHR)	3:30 PM SFO (SFO)	1 stop · Los Angeles International
Sun, Sep 20	$623	Air Canada AC8297 (1st of 2 flights)	2:05 PM Heathrow (LHR)	11:17 AM (+1) SFO (SFO)	1 stop · Montreal
Mon, Sep 21	$555	Ryanair UK RK2628 (1st of 3 flights)	5:55 AM Stansted (STN)	1:35 PM (+1) SFO (SFO)	2 stops · Madrid, Lisbon
Tue, Sep 22	—	—	—	—	—
Wed, Sep 23	—	—	—	—	—
Thu, Sep 24	$609	Air Transat TS123 (1st of 2 flights)	12:40 PM Gatwick (LGW)	11:04 PM SFO (SFO)	1 stop · Toronto

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

London, United Kingdom (LON, city code)

London Heathrow (LHR), London City (LCY), London Gatwick (LGW), London Luton (LTN), London Southend (SEN), London Stansted (STN).

San Francisco, United States (SFO, city code)

San Francisco International (SFO).

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