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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 April , May 2026

25 Apr - 09 May $ 948.00
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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12 Apr - 04 May $ 1,308.00
SFO
San Francisco
Virgin Atlantic Airways
1 STOPS
LCY
London
LCY
London
Virgin Atlantic Airways
1 STOPS
SFO
San Francisco
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12 Apr - 07 May $ 1,518.00
SFO
San Francisco
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
SFO
San Francisco
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Last minute flights from San Francisco to London

07 Apr - 01 May $ 906.00
SFO
San Francisco
ITA Airways
2 STOPS
LCY
London
LCY
London
ITA Airways
2 STOPS
SFO
San Francisco
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13 Apr - 30 Apr $ 1,005.00
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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12 Apr - 30 Apr $ 1,783.00
SFO
San Francisco
Aer Lingus
1 STOPS
LCY
London
LCY
London
Aer Lingus
1 STOPS
SFO
San Francisco
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One-way flights to London from San Francisco

10:15 AM - 11:55 AM
United Airlines
2 Stops
18h 20m
SFO - LCY
$ 512
Kiwi
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7:35 PM - 4:50 PM
Swiss International Air Lines
1 Stops
13h 50m
SFO - LCY
$ 513
Kiwi
Pick dates
7:35 PM - 4:50 PM
Swiss International Air Lines
1 Stops
13h 50m
SFO - LCY
$ 514
Kiwi
Pick dates

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.