Washington to Portland
IADPDX
Fly from Washington to Portland starting at USD 171 with Frontier Airlines.
Best fare available on Sep 8, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Portland cheapest flights this week
Washington to Portland monthly flight fare trend
Sep
from USD 171
Oct
from USD 208
Nov
No flights
Dec
No flights
Jan
from USD 340
Feb
No flights
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
Portland
Portland International Airport (PDX)
Portland, PDX
Zone
Los Angeles
Elev
31 ft
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