Washington to Portland
IADPDX
Fly from Washington to Portland starting at USD 221 with Frontier Airlines.
Best fare available on Jun 3, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Portland cheapest flights this week
Washington to Portland monthly flight fare trend
May
from USD 276
Jun
from USD 221
Jul
No flights
Aug
No flights
Sep
No flights
Oct
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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