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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 April , May 2026

28 Apr - 12 May $ 2,034.00
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 Apr - 05 May $ 2,091.00
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 Apr - 06 May $ 2,091.00
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 Apr - 01 May $ 2,147.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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12 Apr - 01 May $ 2,267.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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23 Apr - 01 May $ 2,364.00
LCY
London
KLM Royal Dutch Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
KLM Royal Dutch Airlines
2 STOPS
LCY
London
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One-way flights to Seattle from London

6:45 AM - 4:05 PM
Air Excursions
3 Stops
42h 10m
LCY - BFI
$ 1,140
Kiwi
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8:30 PM - 4:05 PM
Air Excursions
3 Stops
52h 25m
LCY - BFI
$ 1,140
Kiwi
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9:10 AM - 2:45 PM
Air Excursions
3 Stops
38h 25m
LCY - BFI
$ 1,254
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.