Portland to Washington

PDXIAD

Fly from Portland to Washington starting at USD 275 with American Airlines.Best fare available on Dec 1, 2026.Limited seats. Better plans. Book before it's gone.

Portland to Washington cheapest flights this week

1 Aug
Frontier Airlines
12:20PDX
05:20IAD
2 StopUSD 355VIEW DEAL
4 Aug
Alaska Airlines
05:00PDX
14:11IAD
1 StopUSD 287VIEW DEAL
1 Dec
American Airlines
21:50PDX
05:44IAD
1 StopUSD 275VIEW DEAL
1 Jan
United Airlines
14:30PDX
21:25IAD
1 StopUSD 304VIEW DEAL

Portland to Washington monthly flight fare trend

Jul
No flights
Aug
from USD 287
Sep
No flights
Oct
No flights
Nov
No flights
Dec
from USD 275

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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