PWM to SEA from $375 in economy – flightdeals.net

Home Premium Fare Deals About

Delta Air Lines

DLDelta Air Lines

Round Trip•Economy

Portland International Jetport

Portland, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$577 USD

-35%$375 USD

Verified about 2 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$527 1$462 2$583 3$614 4$527 5$375 6$375 7$637 8$874 9$472 10$380 11$432 12$770 13$974 14$588 15$462 16$467 17$385 18$432 19$429 20$1,257 21$942 22$770 23$514 24$432 25$394 26$419 27$884 28$509 29$463 30$380 1$463 2$399 3$467 4$816

Fair Availability

27% of dates checked are available within 10% of the lowest price

Wednesday, September 2nd, 2026

2 round-trip options

Returning

Mon, Sep 7, 2026•5 Day Trip

$614 USD

Returning

Sun, Sep 13, 2026•11 Day Trip

$583 USD