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

Thursday, October 8th, 2026

6 round-trip options

Returning
Tue, Oct 13, 20265 Day Trip
$538 USD
Returning
Wed, Oct 14, 20266 Day Trip
$486 USD
Returning
Fri, Oct 16, 20268 Day Trip
$608 USD
Returning
Tue, Oct 20, 202612 Day Trip
$486 USD
Returning
Wed, Oct 21, 202613 Day Trip
$486 USD
Returning
Thu, Oct 22, 202614 Day Trip
$552 USD