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 21 hours ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$404 30$515 1$646 2$776 3$435 4$337 5$431 6$384 7$395 8$305 9$413 10$426 11$511 12$421 13$366 14$421 15$505 16$642 17$642 18$499 19$616 20$434 21$447 22$504 23$577 24$553 25$500 26$513 27$555 28$489 29$426 30$509 31$549 1$483 2$476

Extremely Rare Availability

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

Tuesday, July 28th, 2026

8 round-trip options

Returning

Sun, Aug 2, 2026•5 Day Trip

$884 USD

Google Flights

Returning

Tue, Aug 4, 2026•7 Day Trip

$578 USD

Google Flights

Returning

Wed, Aug 5, 2026•8 Day Trip

$524 USD

Google Flights

Returning

Thu, Aug 6, 2026•9 Day Trip

$489 USD

Google Flights

Returning

Fri, Aug 7, 2026•10 Day Trip

$530 USD

Google Flights

Returning

Sat, Aug 8, 2026•11 Day Trip

$770 USD

Google Flights

Returning

Sun, Aug 9, 2026•12 Day Trip

$894 USD

Google Flights

Returning

Tue, Aug 11, 2026•14 Day Trip

$552 USD

Google Flights

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

San Francisco International Airport

Portland International Jetport

July 2026

Tuesday, July 28th, 2026