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

Saturday, October 17th, 2026

6 round-trip options

Returning
Thu, Oct 22, 20265 Day Trip
$447 USD
Returning
Fri, Oct 23, 20266 Day Trip
$503 USD
Returning
Sun, Oct 25, 20268 Day Trip
$523 USD
Returning
Thu, Oct 29, 202612 Day Trip
$447 USD
Returning
Fri, Oct 30, 202613 Day Trip
$467 USD
Returning
Sat, Oct 31, 202614 Day Trip
$447 USD