Portland to Washington
PDXIAD
Fly from Portland to Washington starting at SAR 777 with Alaska Airlines.
Best fare available on Oct 20, 2026.
Limited seats. Better plans. Book before it's gone.
Portland to Washington cheapest flights this week
Portland to Washington monthly flight fare trend
Oct
from SAR 777
Nov
from SAR 784
Dec
from SAR 955
Jan
from SAR 1,125
Feb
No flights
Mar
No flights
Airport Details
Origin
Portland
Portland International Airport (PDX)
Portland, PDX
Zone
Los Angeles
Elev
31 ft
Destination
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
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