Portland (PWM) to Seattle / Tacoma (SEA) flight deal in economy from $375

Delta Air LinesDLDelta Air Lines
Round Trip•Economy
United StatesPWM

Portland International Jetport

Portland, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$577 USD
-35%$375 USD
Verified about 2 hours ago
Fair Availability
27% of dates checked are available within 10% of the lowest price

Monday, August 31st, 2026

2 round-trip options

Returning
Sat, Sep 5, 2026•5 Day Trip
$527 USD
Google Flights
Returning
Fri, Sep 11, 2026•11 Day Trip
$532 USD
Google Flights