Portland to Washington

PDXIAD

Fly from Portland to Washington starting at USD 218 with Frontier Airlines.Best fare available on Dec 7, 2026.Limited seats. Better plans. Book before it's gone.

Portland to Washington cheapest flights this week

17 Nov
Frontier Airlines
12:02PDX
07:21IAD
2 StopUSD 332VIEW DEAL
18 Nov
Alaska Airlines
06:08PDX
12:45IAD
2 StopUSD 385VIEW DEAL
20 Nov
Frontier Airlines
13:58PDX
02:10IAD
1 StopUSD 253VIEW DEAL
1 Dec
American Airlines
21:50PDX
05:44IAD
1 StopUSD 275VIEW DEAL
2 Dec
Alaska Airlines
07:25PDX
16:01IAD
1 StopUSD 258VIEW DEAL
2 Dec
Alaska Airlines
17:46PDX
14:39IAD
1 StopUSD 302VIEW DEAL
5 Dec
Alaska Airlines
07:00PDX
18:50IAD
1 StopUSD 234VIEW DEAL
7 Dec
Frontier Airlines
19:51PDX
11:49IAD
2 StopUSD 218VIEW DEAL
1 Jan
United Airlines
14:30PDX
21:25IAD
1 StopUSD 304VIEW DEAL

Portland to Washington monthly flight fare trend

Nov
from USD 253
Dec
from USD 218
Jan
from USD 304
Feb
No flights
Mar
No flights
Apr
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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