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

Saturday, October 31st, 2026

6 round-trip options

Returning
Thu, Nov 5, 20265 Day Trip
$447 USD
Returning
Fri, Nov 6, 20266 Day Trip
$467 USD
Returning
Sun, Nov 8, 20268 Day Trip
$487 USD
Returning
Thu, Nov 12, 202612 Day Trip
$447 USD
Returning
Fri, Nov 13, 202613 Day Trip
$467 USD
Returning
Sat, Nov 14, 202614 Day Trip
$447 USD