San Francisco (SFO) to Portland (PWM) flight deal in economy from $359

Saturday, December 19th, 2026

8 round-trip options

Returning
Thu, Dec 24, 20265 Day Trip
$840 USD
Returning
Fri, Dec 25, 20266 Day Trip
$776 USD
Returning
Sat, Dec 26, 20267 Day Trip
$1,251 USD
Returning
Sun, Dec 27, 20268 Day Trip
$1,251 USD
Returning
Mon, Dec 28, 20269 Day Trip
$1,078 USD
Returning
Thu, Dec 31, 202612 Day Trip
$903 USD
Returning
Fri, Jan 1, 202713 Day Trip
$979 USD
Returning
Sat, Jan 2, 202714 Day Trip
$1,132 USD