Portland to Seattle
PDXSEA
Fly from Portland to Seattle starting at USD 140 with Alaska Airlines.
Best fare available on Jun 2, 2026.
Limited seats. Better plans. Book before it's gone.
Portland to Seattle cheapest flights this week
Portland to Seattle monthly flight fare trend
May
from USD 130
Jun
from USD 140
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
Portland
Portland International Airport (PDX)
Portland, PDX
Zone
Los Angeles
Elev
31 ft
Destination
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
Flights from Portland
Flights from Portland to AtlantaFlights from Portland to AustinFlights from Portland to BostonFlights from Portland to CharlotteFlights from Portland to DenverFlights from Portland to DallasFlights from Portland to DetroitFlights from Portland to NewarkFlights from Portland to Fort LauderdaleFlights from Portland to Honolulu
