Portland to Washington

PDXIAD

Fly from Portland to Washington starting at SAR 840 with Frontier Airlines.Best fare available on Jul 30, 2026.Limited seats. Better plans. Book before it's gone.

Portland to Washington cheapest flights this week

28 Jul
Frontier Airlines
17:16PDX
07:16IAD
2 StopSAR 1,032VIEW DEAL
30 Jul
Frontier Airlines
18:49PDX
11:07IAD
2 StopSAR 840VIEW DEAL
1 Aug
Frontier Airlines
12:20PDX
05:20IAD
2 StopSAR 1,314VIEW DEAL
4 Aug
Alaska Airlines
05:00PDX
14:11IAD
1 StopSAR 1,062VIEW DEAL
1 Dec
American Airlines
21:50PDX
05:44IAD
1 StopSAR 1,018VIEW DEAL
1 Jan
United Airlines
14:30PDX
21:25IAD
1 StopSAR 1,125VIEW DEAL

Portland to Washington monthly flight fare trend

Jul
from SAR 840
Aug
from SAR 1,062
Sep
No flights
Oct
No flights
Nov
No flights
Dec
from SAR 1,018

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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