Cheap flights from Seattle to Northwest Austin

View AU$182 flight on Tue, 12 Aug. 2025Opens in a new window

Popular airlines from Seattle to Northwest Austin

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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

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.

American Airlines
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
AUS
Austin
AU$413 Return, found 5 days ago
AU$413
Return
found 5 days ago
Select American Airlines flight, departing Tue, 2 Sep. from Seattle to Austin, returning Tue, 9 Sep., priced at AU$413 found 5 days ago
Delta
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
AUS
Austin
AU$419 Return, found 5 days ago
AU$419
Return
found 5 days ago
Select Delta flight, departing Tue, 2 Sep. from Seattle to Austin, returning Tue, 9 Sep., priced at AU$419 found 5 days ago
Delta
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
AUS
Austin
AU$433 Return, found 5 days ago
AU$433
Return
found 5 days ago
Select Delta flight, departing Tue, 2 Sep. from Seattle to Austin, returning Tue, 9 Sep., priced at AU$433 found 5 days ago
Delta
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
AUS
Austin
AU$434 Return, found 5 days ago
AU$434
Return
found 5 days ago
Select Delta flight, departing Tue, 2 Sep. from Seattle to Austin, returning Tue, 9 Sep., priced at AU$434 found 5 days ago
Alaska Airlines
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
AUS
Austin
AU$444 Return, found 5 days ago
AU$444
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 2 Sep. from Seattle to Austin, returning Tue, 9 Sep., priced at AU$444 found 5 days ago
United
Tue, 2 Sep. - Tue, 9 Sep.
SEA
Seattle
AUS
Austin
AU$520 Return, found 5 days ago
AU$520
Return
found 5 days ago
Select United flight, departing Tue, 2 Sep. from Seattle to Austin, returning Tue, 9 Sep., priced at AU$520 found 5 days ago

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

March is typically the cheapest month to fly

From AU$198 - AU$632 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.