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

Thursday, June 25th, 2026

8 round-trip options

Returning
Tue, Jun 30, 20265 Day Trip
$698 USD
Returning
Thu, Jul 2, 20267 Day Trip
$859 USD
Returning
Fri, Jul 3, 20268 Day Trip
$859 USD
Returning
Sat, Jul 4, 20269 Day Trip
$849 USD
Returning
Sun, Jul 5, 202610 Day Trip
$1,306 USD
Returning
Mon, Jul 6, 202611 Day Trip
$1,083 USD
Returning
Tue, Jul 7, 202612 Day Trip
$883 USD
Returning
Thu, Jul 9, 202614 Day Trip
$782 USD