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

Monday, June 22nd, 2026

4 round-trip options

Returning
Sat, Jun 27, 20265 Day Trip
$739 USD
Returning
Sun, Jun 28, 20266 Day Trip
$739 USD
Returning
Tue, Jun 30, 20268 Day Trip
$548 USD
Returning
Wed, Jul 1, 20269 Day Trip
$546 USD