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

Friday, October 9th, 2026

6 round-trip options

Returning
Wed, Oct 14, 20265 Day Trip
$487 USD
Returning
Thu, Oct 15, 20266 Day Trip
$553 USD
Returning
Sat, Oct 17, 20268 Day Trip
$553 USD
Returning
Wed, Oct 21, 202612 Day Trip
$487 USD
Returning
Thu, Oct 22, 202613 Day Trip
$553 USD
Returning
Fri, Oct 23, 202614 Day Trip
$609 USD