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

Friday, October 23rd, 2026

6 round-trip options

Returning
Wed, Oct 28, 20265 Day Trip
$437 USD
Returning
Thu, Oct 29, 20266 Day Trip
$503 USD
Returning
Sat, Oct 31, 20268 Day Trip
$503 USD
Returning
Wed, Nov 4, 202612 Day Trip
$437 USD
Returning
Thu, Nov 5, 202613 Day Trip
$503 USD
Returning
Fri, Nov 6, 202614 Day Trip
$506 USD