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

Tuesday, October 6th, 2026

6 round-trip options

Returning
Sun, Oct 11, 20265 Day Trip
$487 USD
Returning
Mon, Oct 12, 20266 Day Trip
$616 USD
Returning
Wed, Oct 14, 20268 Day Trip
$315 USD
Returning
Sun, Oct 18, 202612 Day Trip
$487 USD
Returning
Mon, Oct 19, 202613 Day Trip
$381 USD
Returning
Tue, Oct 20, 202614 Day Trip
$315 USD