Washington to Portland
IADPDX
Fly from Washington to Portland starting at USD 351 with MX.
Best fare available on May 12, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Portland cheapest flights this week
12 May
MX
08:55IAD
14:50PDX
3 Stop$351VIEW DEAL
16 May
AS
17:38IAD
02:04PDX
1 Stop$423VIEW DEAL
Washington to Portland monthly flight fare trend
May
from USD 351
Jun
No flights
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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