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Cheap flights from Austin (AUS) to Seattle (BFI)

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How to find the cheapest flight from Austin (AUS) to Seattle (BFI)

How to find the cheapest flight from Austin (AUS) to Seattle (BFI)
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How to find the cheapest flight from Austin (AUS) to Seattle (BFI)
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How to find the cheapest flight from Austin (AUS) to Seattle (BFI)
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Cheap flights from Austin to Seattle in April , May 2026

29 Apr - 27 May $ 889.00
AUS
Austin
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
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30 Apr - 27 May $ 898.00
AUS
Austin
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
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30 Apr - 27 May $ 918.00
AUS
Austin
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
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Last minute flights from Austin to Seattle

29 Apr - 01 May $ 1,241.00
AUS
Austin
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
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29 Apr - 01 May $ 1,284.00
AUS
Austin
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
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27 Apr - 01 May $ 1,306.00
AUS
Austin
Frontier Airlines
3 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
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One-way flights to Seattle from Austin

6:13 PM - 4:05 PM
Air Excursions
3 Stops
24h 42m
AUS - BFI
$ 555
Kiwi
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8:39 PM - 4:05 PM
Air Excursions
3 Stops
22h 16m
AUS - BFI
$ 564
Kiwi
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9:31 PM - 4:05 PM
Air Excursions
2 Stops
21h 24m
AUS - BFI
$ 585
Kiwi
Pick dates

How to find the cheapest flight from Austin (AUS) to Seattle (BFI)

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