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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 January , February 2026

28 Jan - 01 Feb $ 442.00
PDX
Portland
Alaska Airlines
DIRECT
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
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21 Jan - 04 Feb $ 537.00
PDX
Portland
Alaska Airlines
DIRECT
DCA
Washington
DCA
Washington
Alaska Airlines
1 STOPS
PDX
Portland
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22 Jan - 02 Feb $ 567.00
PDX
Portland
Hawaiian Airlines
DIRECT
DCA
Washington
DCA
Washington
Hawaiian Airlines
DIRECT
PDX
Portland
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Last minute flights from Portland to Washington

30 Jan - 31 Jan $ 461.00
PDX
Portland
Hawaiian Airlines
DIRECT
DCA
Washington
DCA
Washington
Hawaiian Airlines
DIRECT
PDX
Portland
Pick dates
21 Jan - 31 Jan $ 692.00
PDX
Portland
Alaska Airlines
DIRECT
DCA
Washington
DCA
Washington
Alaska Airlines
DIRECT
PDX
Portland
Pick dates
21 Jan - 31 Jan $ 715.00
PDX
Portland
Hawaiian Airlines
DIRECT
DCA
Washington
DCA
Washington
Hawaiian Airlines
DIRECT
PDX
Portland
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One-way flights to Washington from Portland

8:02 AM - 8:02 AM
Alaska Airlines
0 Stops
4h 59m
PDX - DCA
$ 294
Kiwi
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8:02 AM - 8:02 AM
Alaska Airlines
0 Stops
4h 59m
PDX - DCA
$ 399
Kiwi
Pick dates
8:02 AM - 8:02 AM
Hawaiian Airlines
0 Stops
4h 59m
PDX - DCA
$ 421
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.