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Cheap flights from Newcastle (NCL) to Seattle (BFI)

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How to find the cheapest flight from Newcastle (NCL) to Seattle (BFI)

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

24 Dec - 31 Jan $ 2,083.00
NCL
Newcastle
Aer Lingus
3 STOPS
BFI
Seattle
BFI
Seattle
Aer Lingus
3 STOPS
NCL
Newcastle
Pick dates
24 Dec - 28 Jan $ 2,099.00
NCL
Newcastle
Aer Lingus
3 STOPS
BFI
Seattle
BFI
Seattle
Aer Lingus
3 STOPS
NCL
Newcastle
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24 Dec - 24 Jan $ 2,099.00
NCL
Newcastle
Aer Lingus
3 STOPS
BFI
Seattle
BFI
Seattle
Aer Lingus
3 STOPS
NCL
Newcastle
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Last minute flights from Newcastle to Seattle

24 Dec - 02 Jan $ 2,443.00
NCL
Newcastle
Aer Lingus
3 STOPS
BFI
Seattle
BFI
Seattle
Aer Lingus
3 STOPS
NCL
Newcastle
Pick dates
24 Dec - 02 Jan $ 2,512.00
NCL
Newcastle
Aer Lingus
3 STOPS
BFI
Seattle
BFI
Seattle
Aer Lingus
3 STOPS
NCL
Newcastle
Pick dates
26 Dec - 02 Jan $ 3,165.00
NCL
Newcastle
Aer Lingus
3 STOPS
BFI
Seattle
BFI
Seattle
Aer Lingus
3 STOPS
NCL
Newcastle
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One-way flights to Seattle from Newcastle

1:05 PM - 5:35 AM
Air Excursions
3 Stops
49h 20m
NCL - BFI
$ 1,164
Kiwi
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4:55 PM - 5:35 AM
Air Excursions
3 Stops
45h 30m
NCL - BFI
$ 1,233
Kiwi
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9:00 AM - 7:35 AM
Air Excursions
3 Stops
31h 25m
NCL - BFI
$ 1,909
Kiwi
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How to find the cheapest flight from Newcastle (NCL) to Seattle (BFI)

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