SFO to PWM from $359 in economy

UAUnited Airlines

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

PWM

Portland International Jetport

Portland, United States

$555 USD

-35%$359 USD

Verified 16 days ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$601 1$419 2$374 3$398 4$508 5$369 6$369 7$369 8$374 9$369 10$397 11$509 12$445 13$460 14$492 15$492 16$583 17$776 18$947 19$776 20$651 21$882 22$817 23$786 24$369 25$369 26$506 27$565 28$449 29$397 30$397 31$369 1$464 2$601 3$683

Fair Availability

28% of dates checked are available within 10% of the lowest price

Wednesday, December 16th, 2026

8 round-trip options

Returning

Mon, Dec 21, 2026•5 Day Trip

$737 USD

Google Flights

Returning

Tue, Dec 22, 2026•6 Day Trip

$853 USD

Google Flights

Returning

Wed, Dec 23, 2026•7 Day Trip

$935 USD

Google Flights

Returning

Thu, Dec 24, 2026•8 Day Trip

$658 USD

Google Flights

Returning

Fri, Dec 25, 2026•9 Day Trip

$583 USD

Google Flights

Returning

Mon, Dec 28, 2026•12 Day Trip

$869 USD

Google Flights

Returning

Tue, Dec 29, 2026•13 Day Trip

$855 USD

Google Flights

Returning

Wed, Dec 30, 2026•14 Day Trip

$798 USD

Google Flights

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

San Francisco International Airport

Portland International Jetport

December 2026

Wednesday, December 16th, 2026