Cheap flights 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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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

30 Sep - 09 Oct $ 949.00

AUS

Austin

Frontier Airlines

2 STOPS

BFI

Seattle

BFI

Seattle

Frontier Airlines

2 STOPS

AUS

Austin

Pick dates

30 Sep - 20 Oct $ 1,005.00

AUS

Austin

Frontier Airlines

2 STOPS

BFI

Seattle

BFI

Seattle

Frontier Airlines

2 STOPS

AUS

Austin

Pick dates

30 Sep - 09 Oct $ 1,028.00

AUS

Austin

Frontier Airlines

2 STOPS

BFI

Seattle

BFI

Seattle

Frontier Airlines

2 STOPS

AUS

Austin

Pick dates

One-way flights to Seattle from Austin

8:24 PM - 9:25 PM
Air Excursions

2 Stops

27h 51m
AUS - BFI

$ 519
Kiwi

Pick dates

8:24 PM - 4:05 PM
Air Excursions

2 Stops

22h 31m
AUS - BFI

$ 598
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)

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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.