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Cheap flights from Seattle (BFI) to London (LCY)

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How to find the cheapest flight from Seattle (BFI) to London (LCY)

How to find the cheapest flight from Seattle (BFI) to London (LCY)
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How to find the cheapest flight from Seattle (BFI) to London (LCY)
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How to find the cheapest flight from Seattle (BFI) to London (LCY)
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Cheap flights from Seattle to London in February , March 2026

21 Feb - 12 Mar $ 1,919.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
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21 Feb - 14 Mar $ 1,960.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
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21 Feb - 31 Mar $ 2,001.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
2 STOPS
BFI
Seattle
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Last minute flights from Seattle to London

21 Feb - 01 Mar $ 2,360.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
23 Feb - 01 Mar $ 2,426.00
BFI
Seattle
Air Excursions
3 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
23 Feb - 01 Mar $ 2,502.00
BFI
Seattle
Air Excursions
3 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
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One-way flights to London from Seattle

4:05 PM - 4:25 PM
Swiss International Air Lines
3 Stops
41h
BFI - LCY
$ 922
Kiwi
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4:25 PM - 9:30 AM
KLM Royal Dutch Airlines
2 Stops
33h 5m
BFI - LCY
$ 931
Kiwi
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6:55 AM - 5:10 PM
Air Dolomiti
3 Stops
26h 45m
BFI - LCY
$ 1,074
Kiwi
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How to find the cheapest flight from Seattle (BFI) to London (LCY)

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