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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 August , September 2026

30 Aug - 28 Sep $ 1,774.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
2 STOPS
BFI
Seattle
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26 Aug - 02 Sep $ 1,824.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
2 STOPS
BFI
Seattle
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26 Aug - 02 Sep $ 1,886.00
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

25 Aug - 01 Sep $ 1,730.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
25 Aug - 01 Sep $ 1,871.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
2 STOPS
BFI
Seattle
Pick dates
28 Aug - 01 Sep $ 2,342.00
BFI
Seattle
Air Excursions
2 STOPS
LCY
London
LCY
London
Air Excursions
2 STOPS
BFI
Seattle
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One-way flights to London from Seattle

7:05 PM - 5:30 PM
Air Dolomiti
3 Stops
38h 50m
BFI - LCY
$ 941
Kiwi
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8:05 PM - 8:15 AM
Lufthansa
3 Stops
28h 35m
BFI - LCY
$ 1,014
Kiwi
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8:05 PM - 7:50 AM
KLM Royal Dutch Airlines
3 Stops
27h 50m
BFI - LCY
$ 1,050
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.