Austin (AUS) to Portland (PDX) flight deal in economy from $317

Sunday, December 20th, 2026

5 round-trip options

Returning
Fri, Dec 25, 20265 Day Trip
$592 USD
Returning
Sat, Dec 26, 20266 Day Trip
$617 USD
Returning
Sun, Dec 27, 20267 Day Trip
$687 USD
Returning
Thu, Dec 31, 202611 Day Trip
$542 USD
Returning
Fri, Jan 1, 202712 Day Trip
$532 USD