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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 April , May 2026

20 Apr - 14 May $ 1,739.00
BFI
Seattle
Air Excursions
3 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
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20 Apr - 14 May $ 1,824.00
BFI
Seattle
Air Excursions
3 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
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20 Apr - 28 May $ 1,824.00
BFI
Seattle
Air Excursions
3 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
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Last minute flights from Seattle to London

20 Apr - 01 May $ 2,115.00
BFI
Seattle
Air Excursions
3 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
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20 Apr - 01 May $ 2,122.00
BFI
Seattle
Air Excursions
3 STOPS
LCY
London
LCY
London
Air Excursions
3 STOPS
BFI
Seattle
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20 Apr - 01 May $ 2,155.00
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

6:55 AM - 5:30 PM
Lufthansa
3 Stops
27h
BFI - LCY
$ 802
Kiwi
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8:05 AM - 5:30 PM
Lufthansa
3 Stops
25h 50m
BFI - LCY
$ 836
Kiwi
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6:55 AM - 4:50 PM
Swiss International Air Lines
3 Stops
26h 35m
BFI - LCY
$ 873
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.