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

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Portland (PDX) to Washington (DCA)

How to find the cheapest flight from Portland (PDX) to Washington (DCA)
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How to find the cheapest flight from Portland (PDX) to Washington (DCA)
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How to find the cheapest flight from Portland (PDX) to Washington (DCA)
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Cheap flights from Portland to Washington in June , July 2026

30 Jun - 07 Jul $ 637.00
PDX
Portland
Frontier Airlines
1 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
PDX
Portland
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30 Jun - 03 Jul $ 660.00
PDX
Portland
Alaska Airlines
DIRECT
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
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30 Jun - 09 Jul $ 684.00
PDX
Portland
Alaska Airlines
DIRECT
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
Pick dates

Last minute flights from Portland to Washington

30 Jun - 01 Jul $ 784.00
PDX
Portland
Frontier Airlines
DIRECT
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
PDX
Portland
Pick dates
29 Jun - 01 Jul $ 1,059.00
PDX
Portland
Frontier Airlines
1 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
PDX
Portland
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29 Jun - 30 Jun $ 1,161.00
PDX
Portland
Alaska Airlines
1 STOPS
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
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One-way flights to Washington from Portland

7:54 AM - 7:54 AM
Alaska Airlines
0 Stops
5h 6m
PDX - DCA
$ 394
Kiwi
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5:20 PM - 7:30 AM
Frontier Airlines
1 Stops
16h 37m
PDX - DCA
$ 410
Kiwi
Pick dates
7:54 AM - 7:54 AM
Hawaiian Airlines
0 Stops
5h 6m
PDX - DCA
$ 434
Kiwi
Pick dates

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

Related info for your journey
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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.