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

Sunday, June 21st, 2026

4 round-trip options

Returning
Fri, Jun 26, 20265 Day Trip
$855 USD
Returning
Sat, Jun 27, 20266 Day Trip
$873 USD
Returning
Mon, Jun 29, 20268 Day Trip
$855 USD
Returning
Tue, Jun 30, 20269 Day Trip
$761 USD