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

Saturday, December 12th, 2026

3 round-trip options

Returning
Sat, Dec 19, 20267 Day Trip
$885 USD
Returning
Mon, Dec 21, 20269 Day Trip
$866 USD
Returning
Fri, Dec 25, 202613 Day Trip
$849 USD