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Cheap flights from San Francisco (SFO) to London (LCY)

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How to find the cheapest flight from San Francisco (SFO) to London (LCY)

How to find the cheapest flight from San Francisco (SFO) to London (LCY)
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How to find the cheapest flight from San Francisco (SFO) to London (LCY)
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How to find the cheapest flight from San Francisco (SFO) to London (LCY)
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Cheap flights from San Francisco to London in December 2025 , January 2026

30 Dec - 14 Jan $ 697.00
SFO
San Francisco
Lufthansa
1 STOPS
LCY
London
LCY
London
Lufthansa
1 STOPS
SFO
San Francisco
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30 Dec - 14 Jan $ 698.00
SFO
San Francisco
Swiss International Air Lines
1 STOPS
LCY
London
LCY
London
Swiss International Air Lines
1 STOPS
SFO
San Francisco
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16 Dec - 12 Jan $ 1,009.00
SFO
San Francisco
United Airlines
1 STOPS
LCY
London
LCY
London
United Airlines
1 STOPS
SFO
San Francisco
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Last minute flights from San Francisco to London

25 Dec - 31 Dec $ 1,433.00
SFO
San Francisco
Lufthansa
1 STOPS
LCY
London
LCY
London
Lufthansa
1 STOPS
SFO
San Francisco
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25 Dec - 31 Dec $ 1,584.00
SFO
San Francisco
United Airlines
1 STOPS
LCY
London
LCY
London
United Airlines
1 STOPS
SFO
San Francisco
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25 Dec - 31 Dec $ 1,584.00
SFO
San Francisco
United Airlines
1 STOPS
LCY
London
LCY
London
United Airlines
1 STOPS
SFO
San Francisco
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One-way flights to London from San Francisco

7:25 PM - 4:25 PM
Swiss International Air Lines
1 Stops
13h 40m
SFO - LCY
$ 365
Kiwi
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7:25 PM - 4:25 PM
Swiss International Air Lines
1 Stops
13h 40m
SFO - LCY
$ 549
Kiwi
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1:55 PM - 4:30 PM
KLM Royal Dutch Airlines
1 Stops
18h 40m
SFO - LCY
$ 579
Kiwi
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How to find the cheapest flight from San Francisco (SFO) to London (LCY)

Related info for your journey
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How to find the cheapest flight from San Francisco (SFO) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from San Francisco (SFO) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.