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

Tuesday, October 13th, 2026

6 round-trip options

Returning
Sun, Oct 18, 20265 Day Trip
$539 USD
Returning
Mon, Oct 19, 20266 Day Trip
$433 USD
Returning
Wed, Oct 21, 20268 Day Trip
$367 USD
Returning
Sun, Oct 25, 202612 Day Trip
$509 USD
Returning
Mon, Oct 26, 202613 Day Trip
$433 USD
Returning
Tue, Oct 27, 202614 Day Trip
$367 USD