San Francisco (SFO) to Portland (PWM) flight deal in economy from $305

Friday, December 25th, 2026

9 round-trip options

Returning
Wed, Dec 30, 20265 Day Trip
$562 USD
Returning
Thu, Dec 31, 20266 Day Trip
$609 USD
Returning
Fri, Jan 1, 20277 Day Trip
$602 USD
Returning
Sun, Jan 3, 20279 Day Trip
$563 USD
Returning
Mon, Jan 4, 202710 Day Trip
$526 USD
Returning
Tue, Jan 5, 202711 Day Trip
$459 USD
Returning
Wed, Jan 6, 202712 Day Trip
$369 USD
Returning
Thu, Jan 7, 202713 Day Trip
$369 USD
Returning
Fri, Jan 8, 202714 Day Trip
$369 USD