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

Tuesday, September 29th, 2026

8 round-trip options

Returning
Tue, Oct 6, 20267 Day Trip
$315 USD
Returning
Wed, Oct 7, 20268 Day Trip
$315 USD
Returning
Thu, Oct 8, 20269 Day Trip
$486 USD
Returning
Fri, Oct 9, 202610 Day Trip
$487 USD
Returning
Sat, Oct 10, 202611 Day Trip
$436 USD
Returning
Sun, Oct 11, 202612 Day Trip
$487 USD
Returning
Mon, Oct 12, 202613 Day Trip
$587 USD
Returning
Tue, Oct 13, 202614 Day Trip
$367 USD