Portland to Seattle
PDXBFI
Fly from Portland to Seattle starting at USD 137 with X4.
Best fare available on Oct 11, 2026.
Limited seats. Better plans. Book before it's gone.
Portland to Seattle cheapest flights this week
Portland to Seattle monthly flight fare trend
Oct
from USD 137
Nov
No flights
Dec
No flights
Jan
No flights
Feb
No flights
Mar
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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