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

Monday, December 21st, 2026

3 round-trip options

Returning
Mon, Dec 28, 20267 Day Trip
$1,195 USD
Returning
Wed, Dec 30, 20269 Day Trip
$1,120 USD
Returning
Sun, Jan 3, 202713 Day Trip
$1,149 USD