Seattle to Portland
SEAPDX
Fly from Seattle to Portland starting at USD 160 with Alaska Airlines.
Best fare available on Aug 21, 2026.
Limited seats. Better plans. Book before it's gone.
Seattle to Portland cheapest flights this week
Seattle to Portland monthly flight fare trend
Jul
from USD 176
Aug
from USD 160
Sep
No flights
Oct
No flights
Nov
No flights
Dec
No flights
Airport Details
Origin
Seattle
Seattle–Tacoma International Airport (SEA)
Seattle, SEA
Zone
Los Angeles
Elev
433 ft
Destination
Portland
Portland International Airport (PDX)
Portland, PDX
Zone
Los Angeles
Elev
31 ft
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