Portland to Washington

PDXIAD

Fly from Portland to Washington starting at USD 223 with Alaska Airlines.Best fare available on Jul 23, 2026.Limited seats. Better plans. Book before it's gone.

Portland to Washington cheapest flights this week

23 Jul
Alaska Airlines
05:00PDX
14:11IAD
1 StopUSD 223VIEW DEAL
28 Jul
Frontier Airlines
17:16PDX
07:16IAD
2 StopUSD 279VIEW DEAL
30 Jul
Frontier Airlines
18:49PDX
11:07IAD
2 StopUSD 227VIEW DEAL
1 Aug
Frontier Airlines
12:20PDX
05:20IAD
2 StopUSD 355VIEW DEAL

Portland to Washington monthly flight fare trend

Jul
from USD 223
Aug
from USD 355
Sep
No flights
Oct
No flights
Nov
No flights
Dec
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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