Cheap flights from Seattle to Northwest Austin

View AU$180 flight on Sat, 30 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.

Alaska Airlines
Sat, 30 Aug. - Sat, 6 Sep.
SEA
Seattle
AUS
Austin
AU$299 Return, found 11 hours ago
AU$299
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sat, 30 Aug. from Seattle to Austin, returning Sat, 6 Sep., priced at AU$299 found 11 hours ago
Delta
Sat, 30 Aug. - Sat, 6 Sep.
SEA
Seattle
AUS
Austin
AU$300 Return, found 11 hours ago
AU$300
Return
found 11 hours ago
Select Delta flight, departing Sat, 30 Aug. from Seattle to Austin, returning Sat, 6 Sep., priced at AU$300 found 11 hours ago
Alaska Airlines
Sat, 30 Aug. - Sat, 6 Sep.
SEA
Seattle
AUS
Austin
AU$329 Return, found 11 hours ago
AU$329
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sat, 30 Aug. from Seattle to Austin, returning Sat, 6 Sep., priced at AU$329 found 11 hours ago
Delta
Sat, 30 Aug. - Sat, 6 Sep.
SEA
Seattle
AUS
Austin
AU$330 Return, found 11 hours ago
AU$330
Return
found 11 hours ago
Select Delta flight, departing Sat, 30 Aug. from Seattle to Austin, returning Sat, 6 Sep., priced at AU$330 found 11 hours ago
United
Sat, 30 Aug. - Sat, 6 Sep.
SEA
Seattle
AUS
Austin
AU$397 Return, found 11 hours ago
AU$397
Return
found 11 hours ago
Select United flight, departing Sat, 30 Aug. from Seattle to Austin, returning Sat, 6 Sep., priced at AU$397 found 11 hours ago
American Airlines
Sat, 30 Aug. - Sat, 6 Sep.
SEA
Seattle
AUS
Austin
AU$405 Return, found 11 hours ago
AU$405
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 30 Aug. from Seattle to Austin, returning Sat, 6 Sep., priced at AU$405 found 11 hours 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.