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

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

How to find the cheapest flight from London (LCY) to Seattle (BFI)
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How to find the cheapest flight from London (LCY) to Seattle (BFI)
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How to find the cheapest flight from London (LCY) to Seattle (BFI)
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Cheap flights from London to Seattle in December 2025 , January 2026

28 Dec - 26 Jan $ 2,233.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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28 Dec - 19 Jan $ 2,233.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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28 Dec - 22 Jan $ 2,237.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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Last minute flights from London to Seattle

28 Dec - 01 Jan $ 2,289.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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29 Dec - 01 Jan $ 2,469.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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28 Dec - 01 Jan $ 2,618.00
LCY
London
KLM Royal Dutch Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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One-way flights to Seattle from London

5:40 PM - 6:45 PM
Air Excursions
3 Stops
57h 55m
LCY - BFI
$ 1,384
Kiwi
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9:15 AM - 6:45 PM
Air Excursions
3 Stops
42h 20m
LCY - BFI
$ 1,564
Kiwi
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8:05 PM - 2:45 PM
Air Excursions
2 Stops
27h 30m
LCY - BFI
$ 1,713
Kiwi
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How to find the cheapest flight from London (LCY) to Seattle (BFI)

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