Cheap flights from Austin to North Seattle

View AU$154 flight on Tue, 9 Sep. 2025Opens in a new window

Popular airlines from Austin to North Seattle

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Austin (AUS) to North Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, 7 Sep. - Sun, 14 Sep.
AUS
Austin
SEA
Seattle
AU$425 Return, found 1 day ago
AU$425
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 7 Sep. from Austin to Seattle, returning Sun, 14 Sep., priced at AU$425 found 1 day ago
Delta
Sun, 7 Sep. - Sun, 14 Sep.
AUS
Austin
SEA
Seattle
AU$425 Return, found 1 day ago
AU$425
Return
found 1 day ago
Select Delta flight, departing Sun, 7 Sep. from Austin to Seattle, returning Sun, 14 Sep., priced at AU$425 found 1 day ago
Delta
Sun, 7 Sep. - Sun, 14 Sep.
AUS
Austin
SEA
Seattle
AU$456 Return, found 1 day ago
AU$456
Return
found 1 day ago
Select Delta flight, departing Sun, 7 Sep. from Austin to Seattle, returning Sun, 14 Sep., priced at AU$456 found 1 day ago
Alaska Airlines
Wed, 19 Nov. - Sat, 29 Nov.
AUS
Austin
SEA
Seattle
AU$466 Return, found 6 days ago
AU$466
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 19 Nov. from Austin to Seattle, returning Sat, 29 Nov., priced at AU$466 found 6 days ago
United
Sun, 7 Sep. - Sun, 14 Sep.
AUS
Austin
SEA
Seattle
AU$532 Return, found 1 day ago
AU$532
Return
found 1 day ago
Select United flight, departing Sun, 7 Sep. from Austin to Seattle, returning Sun, 14 Sep., priced at AU$532 found 1 day ago
American Airlines
Sun, 7 Sep. - Sun, 14 Sep.
AUS
Austin
SEA
Seattle
AU$547 Return, found 1 day ago
AU$547
Return
found 1 day ago
Select American Airlines flight, departing Sun, 7 Sep. from Austin to Seattle, returning Sun, 14 Sep., priced at AU$547 found 1 day ago

Find the cheapest month to fly from Austin (AUS) to Seattle (SEA)

August is typically the cheapest month to fly

From AU$180 - AU$602 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.