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

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0 Children (2~11)
0 Infants (0~2)
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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 September , October 2026

17 Sep - 16 Oct $ 759.00
AUS
Austin
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
Pick dates
17 Sep - 13 Oct $ 768.00
AUS
Austin
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
Pick dates
17 Sep - 20 Oct $ 797.00
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

23 Sep - 01 Oct $ 805.00
AUS
Austin
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
Pick dates
17 Sep - 01 Oct $ 842.00
AUS
Austin
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
Pick dates
20 Sep - 01 Oct $ 865.00
AUS
Austin
Frontier Airlines
2 STOPS
BFI
Seattle
BFI
Seattle
Frontier Airlines
2 STOPS
AUS
Austin
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One-way flights to Seattle from Austin

3:32 PM - 4:05 PM
Air Excursions
2 Stops
27h 23m
AUS - BFI
$ 390
Kiwi
Pick dates
11:04 PM - 4:05 PM
Air Excursions
2 Stops
19h 51m
AUS - BFI
$ 427
Kiwi
Pick dates
8:24 PM - 4:05 PM
Air Excursions
2 Stops
22h 31m
AUS - BFI
$ 450
Kiwi
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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.