PWM to SFO from $359 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Portland International Jetport

Portland, United States

San Francisco International Airport

San Francisco, United States

$538 USD

-33%$359 USD

Verified 13 days ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$885 1$566 2$475 3$486 4$369 5$397 6$723 7$477 8$412 9$369 10$369 11$369 12$369 13$423 14$506 15$488 16$397 17$575 18$819 19$833 20$551 21$764 22$754 23$821 24$492 25$417 26$986 27$987 28$789 29$748 30$632 31$554 1$567 2$871 3$706

Fair Availability

33% of dates checked are available within 10% of the lowest price

Thursday, December 17th, 2026

3 round-trip options

Returning

Tue, Dec 22, 2026•5 Day Trip

$908 USD

Returning

Tue, Dec 29, 2026•12 Day Trip

$575 USD

Returning

Wed, Dec 30, 2026•13 Day Trip

$575 USD