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Cheap flights from Phoenix (PHX) to Seattle (BFI)

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0 Children (2~11)
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How to find the cheapest flight from Phoenix (PHX) to Seattle (BFI)

How to find the cheapest flight from Phoenix (PHX) to Seattle (BFI)
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How to find the cheapest flight from Phoenix (PHX) to Seattle (BFI)
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How to find the cheapest flight from Phoenix (PHX) to Seattle (BFI)
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Cheap flights from Phoenix to Seattle in November , December 2025

29 Nov - 14 Dec $ 795.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
PHX
Phoenix
Pick dates
29 Nov - 07 Dec $ 795.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
PHX
Phoenix
Pick dates
22 Nov - 07 Dec $ 828.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
PHX
Phoenix
Pick dates

Last minute flights from Phoenix to Seattle

29 Nov - 01 Dec $ 950.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
PHX
Phoenix
Pick dates
26 Nov - 01 Dec $ 967.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
PHX
Phoenix
Pick dates
22 Nov - 01 Dec $ 985.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
1 STOPS
PHX
Phoenix
Pick dates

One-way flights to Seattle from Phoenix

6:00 AM - 10:15 AM
Air Excursions
1 Stops
6h 5m
PHX - BFI
$ 458
Kiwi
Pick dates
6:00 AM - 2:45 PM
Air Excursions
1 Stops
10h 35m
PHX - BFI
$ 466
Kiwi
Pick dates
6:00 AM - 10:15 AM
Air Excursions
1 Stops
6h 5m
PHX - BFI
$ 484
Kiwi
Pick dates

How to find the cheapest flight from Phoenix (PHX) to Seattle (BFI)

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