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

Tuesday, December 8th, 2026

7 round-trip options

Returning
Mon, Dec 14, 20266 Day Trip
$348 USD
Returning
Tue, Dec 15, 20267 Day Trip
$335 USD
Returning
Wed, Dec 16, 20268 Day Trip
$335 USD
Returning
Thu, Dec 17, 20269 Day Trip
$351 USD
Returning
Fri, Dec 18, 202610 Day Trip
$351 USD
Returning
Sun, Dec 20, 202612 Day Trip
$377 USD
Returning
Tue, Dec 22, 202614 Day Trip
$351 USD