Austin (AUS) to Seattle / Tacoma (SEA) flight deal in economy from $277

Tuesday, September 8th, 2026

6 round-trip options

Returning
Sun, Sep 13, 20265 Day Trip
$348 USD
Returning
Mon, Sep 14, 20266 Day Trip
$297 USD
Returning
Tue, Sep 15, 20267 Day Trip
$277 USD
Returning
Fri, Sep 18, 202610 Day Trip
$297 USD
Returning
Sat, Sep 19, 202611 Day Trip
$277 USD
Returning
Sun, Sep 20, 202612 Day Trip
$322 USD