SEA to PWM from $315 in economy

AAAmerican Airlines

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

PWM

Portland International Jetport

Portland, United States

$551 USD

-43%$315 USD

Verified about 16 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$381 1$315 2$326 3$416 4$411 5$381 6$401 7$416 8$367 9$315 10$381 11$401 12$381 13$437 14$381 15$315 16$315 17$381 18$401 19$353 20$437 21$381 22$315 23$315 24$381 25$401 26$381 27$437 28$381 29$315 30$315 1$381 2$401 3$447 4$503

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Monday, September 28th, 2026

8 round-trip options

Returning

Mon, Oct 5, 2026•7 Day Trip

$444 USD

Google Flights

Returning

Tue, Oct 6, 2026•8 Day Trip

$381 USD

Google Flights

Returning

Wed, Oct 7, 2026•9 Day Trip

$381 USD

Google Flights

Returning

Thu, Oct 8, 2026•10 Day Trip

$552 USD

Google Flights

Returning

Fri, Oct 9, 2026•11 Day Trip

$553 USD

Google Flights

Returning

Sat, Oct 10, 2026•12 Day Trip

$492 USD

Google Flights

Returning

Sun, Oct 11, 2026•13 Day Trip

$553 USD

Google Flights

Returning

Mon, Oct 12, 2026•14 Day Trip

$607 USD

Google Flights

Seattle / Tacoma (SEA) to Portland (PWM) flight deal in economy from $315

Seattle–Tacoma International Airport

Portland International Jetport

September 2026

Monday, September 28th, 2026