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

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from London (LCY) to San Francisco (SFO)

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

31 Dec - 20 Jan $ 826.00
LCY
London
Swiss International Air Lines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Swiss International Air Lines
1 STOPS
LCY
London
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30 Dec - 22 Jan $ 871.00
LCY
London
Swiss International Air Lines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Swiss International Air Lines
1 STOPS
LCY
London
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23 Dec - 08 Jan $ 2,195.00
LCY
London
Swiss International Air Lines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Swiss International Air Lines
1 STOPS
LCY
London
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Last minute flights from London to San Francisco

24 Dec - 01 Jan $ 1,333.00
LCY
London
Swiss International Air Lines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Swiss International Air Lines
1 STOPS
LCY
London
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24 Dec - 02 Jan $ 1,335.00
LCY
London
Swiss International Air Lines
1 STOPS
SFO
San Francisco
SFO
San Francisco
Swiss International Air Lines
1 STOPS
LCY
London
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23 Dec - 01 Jan $ 2,583.00
LCY
London
Aer Lingus
1 STOPS
SFO
San Francisco
SFO
San Francisco
Aer Lingus
1 STOPS
LCY
London
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One-way flights to San Francisco from London

9:50 AM - 1:20 PM
Lufthansa
1 Stops
14h 5m
LCY - SFO
$ 679
Kiwi
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1:30 PM - 1:15 PM
Swiss International Air Lines
1 Stops
35h
LCY - SFO
$ 739
Kiwi
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9:50 AM - 1:20 PM
United Airlines
1 Stops
14h 5m
LCY - SFO
$ 821
Kiwi
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How to find the cheapest flight from London (LCY) to San Francisco (SFO)

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