Portland to Seattle
PDXBFI
Fly from Portland to Seattle starting at USD 171 with X4.
Best fare available on Aug 28, 2026.
Limited seats. Better plans. Book before it's gone.
Portland to Seattle cheapest flights this week
Portland to Seattle monthly flight fare trend
Aug
from USD 171
Sep
from USD 184
Oct
No flights
Nov
No flights
Dec
No flights
Jan
No flights
Airport Details
Origin
Portland
Portland International Airport (PDX)
Portland, PDX
Zone
Los Angeles
Elev
31 ft
Destination
Seattle
Boeing Field King County International Airport (BFI)
Seattle, BFI
Zone
Los Angeles
Elev
21 ft
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