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 18 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 21st, 2026

8 round-trip options

Returning

Sun, Jul 26, 2026•5 Day Trip

$792 USD

Google Flights

Returning

Tue, Jul 28, 2026•7 Day Trip

$480 USD

Google Flights

Returning

Wed, Jul 29, 2026•8 Day Trip

$447 USD

Google Flights

Returning

Thu, Jul 30, 2026•9 Day Trip

$549 USD

Google Flights

Returning

Fri, Jul 31, 2026•10 Day Trip

$631 USD

Google Flights

Returning

Sat, Aug 1, 2026•11 Day Trip

$713 USD

Google Flights

Returning

Sun, Aug 2, 2026•12 Day Trip

$874 USD

Google Flights

Returning

Tue, Aug 4, 2026•14 Day Trip

$555 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 21st, 2026