Earn point on your loyalty program!arrow arc left

Cheap flights from Portland (PDX) to Washington (DCA)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Portland (PDX) to Washington (DCA)

How to find the cheapest flight from Portland (PDX) to Washington (DCA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Washington (DCA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Washington (DCA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Portland to Washington in November , December 2025

28 Nov - 16 Dec $ 600.00
PDX
Portland
Hawaiian Airlines
1 STOPS
DCA
Washington
DCA
Washington
Hawaiian Airlines
1 STOPS
PDX
Portland
Pick dates
27 Nov - 09 Dec $ 1,335.00
PDX
Portland
Alaska Airlines
1 STOPS
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
Pick dates
24 Nov - 01 Dec $ 1,354.00
PDX
Portland
Alaska Airlines
DIRECT
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
Pick dates

Last minute flights from Portland to Washington

23 Nov - 30 Nov $ 899.00
PDX
Portland
Frontier Airlines
2 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
PDX
Portland
Pick dates
28 Nov - 30 Nov $ 1,255.00
PDX
Portland
Alaska Airlines
1 STOPS
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
Pick dates
22 Nov - 30 Nov $ 1,272.00
PDX
Portland
Alaska Airlines
DIRECT
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
Pick dates

One-way flights to Washington from Portland

5:20 AM - 8:00 AM
Hawaiian Airlines
1 Stops
7h 46m
PDX - DCA
$ 436
Kiwi
Pick dates
5:20 AM - 8:00 AM
Alaska Airlines
1 Stops
7h 46m
PDX - DCA
$ 442
Kiwi
Pick dates
8:02 AM - 8:02 AM
Alaska Airlines
0 Stops
4h 58m
PDX - DCA
$ 504
Kiwi
Pick dates

How to find the cheapest flight from Portland (PDX) to Washington (DCA)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Washington (DCA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Washington (DCA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.