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

Wednesday, October 7th, 2026

6 round-trip options

Returning
Mon, Oct 12, 20265 Day Trip
$617 USD
Returning
Tue, Oct 13, 20266 Day Trip
$367 USD
Returning
Thu, Oct 15, 20268 Day Trip
$381 USD
Returning
Mon, Oct 19, 202612 Day Trip
$381 USD
Returning
Tue, Oct 20, 202613 Day Trip
$315 USD
Returning
Wed, Oct 21, 202614 Day Trip
$315 USD