Seattle / Tacoma (SEA) to Portland (PWM) flight deal in economy from $315

Thursday, October 1st, 2026

6 round-trip options

Returning
Tue, Oct 6, 20265 Day Trip
$381 USD
Returning
Wed, Oct 7, 20266 Day Trip
$381 USD
Returning
Fri, Oct 9, 20268 Day Trip
$553 USD
Returning
Tue, Oct 13, 202612 Day Trip
$433 USD
Returning
Wed, Oct 14, 202613 Day Trip
$381 USD
Returning
Thu, Oct 15, 202614 Day Trip
$447 USD