SFO to PWM from $305 in economy

UAUnited Airlines

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

PWM

Portland International Jetport

Portland, United States

$557 USD

-45%$305 USD

Verified 1 day ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$598 1$474 2$374 3$404 4$481 5$369 6$369 7$369 8$374 9$369 10$404 11$458 12$424 13$537 14$459 15$424 16$503 17$804 18$634 19$885 20$829 21$751 22$627 23$602 24$405 25$369 26$534 27$369 28$458 29$369 30$405 31$369 1$405 2$749 3$714

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Monday, December 21st, 2026

9 round-trip options

Returning

Sat, Dec 26, 2026•5 Day Trip

$1,258 USD

Google Flights

Returning

Sun, Dec 27, 2026•6 Day Trip

$1,231 USD

Google Flights

Returning

Mon, Dec 28, 2026•7 Day Trip

$864 USD

Google Flights

Returning

Wed, Dec 30, 2026•9 Day Trip

$856 USD

Google Flights

Returning

Thu, Dec 31, 2026•10 Day Trip

$867 USD

Google Flights

Returning

Fri, Jan 1, 2027•11 Day Trip

$915 USD

Google Flights

Returning

Sat, Jan 2, 2027•12 Day Trip

$982 USD

Google Flights

Returning

Sun, Jan 3, 2027•13 Day Trip

$876 USD

Google Flights

Returning

Mon, Jan 4, 2027•14 Day Trip

$751 USD

Google Flights

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

San Francisco International Airport

Portland International Jetport

December 2026

Monday, December 21st, 2026