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 about 23 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$373 1$305 2$442 3$714 4$477 5$450 6$337 7$431 8$305 9$323 10$482 11$373 12$327 13$337 14$337 15$305 16$305 17$465 18$369 19$327 20$337 21$337 22$305 23$337 24$439 25$504 26$337 27$337 28$337 29$310 30$310 1$482 2$373 3$337 4$373

Extremely Rare Availability

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

Monday, September 14th, 2026

9 round-trip options

Returning

Sat, Sep 19, 2026•5 Day Trip

$405 USD

Google Flights

Returning

Mon, Sep 21, 2026•7 Day Trip

$369 USD

Google Flights

Returning

Tue, Sep 22, 2026•8 Day Trip

$337 USD

Google Flights

Returning

Wed, Sep 23, 2026•9 Day Trip

$337 USD

Google Flights

Returning

Thu, Sep 24, 2026•10 Day Trip

$369 USD

Google Flights

Returning

Fri, Sep 25, 2026•11 Day Trip

$369 USD

Google Flights

Returning

Sat, Sep 26, 2026•12 Day Trip

$369 USD

Google Flights

Returning

Sun, Sep 27, 2026•13 Day Trip

$749 USD

Google Flights

Returning

Mon, Sep 28, 2026•14 Day Trip

$369 USD

Google Flights

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

San Francisco International Airport

Portland International Jetport

September 2026

Monday, September 14th, 2026