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Cheap flights from Denver (DEN) to Washington (DCA)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Denver (DEN) to Washington (DCA)

How to find the cheapest flight from Denver (DEN) to Washington (DCA)
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How to find the cheapest flight from Denver (DEN) to Washington (DCA)
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How to find the cheapest flight from Denver (DEN) to Washington (DCA)
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Cheap flights from Denver to Washington in January , February 2026

31 Jan - 28 Feb $ 108.00
DEN
Denver
Frontier Airlines
DIRECT
DCA
Washington
DCA
Washington
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
21 Jan - 10 Feb $ 138.00
DEN
Denver
Frontier Airlines
DIRECT
DCA
Washington
DCA
Washington
Frontier Airlines
DIRECT
DEN
Denver
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18 Jan - 07 Feb $ 163.00
DEN
Denver
Frontier Airlines
DIRECT
DCA
Washington
DCA
Washington
Frontier Airlines
DIRECT
DEN
Denver
Pick dates

Last minute flights from Denver to Washington

28 Jan - 31 Jan $ 148.00
DEN
Denver
Frontier Airlines
DIRECT
DCA
Washington
DCA
Washington
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
21 Jan - 31 Jan $ 173.00
DEN
Denver
Frontier Airlines
DIRECT
DCA
Washington
DCA
Washington
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
18 Jan - 31 Jan $ 193.00
DEN
Denver
Frontier Airlines
DIRECT
DCA
Washington
DCA
Washington
Frontier Airlines
DIRECT
DEN
Denver
Pick dates

One-way flights to Washington from Denver

11:37 AM - 11:37 AM
Frontier Airlines
0 Stops
3h 22m
DEN - DCA
$ 74
Kiwi
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7:35 AM - 7:35 AM
Frontier Airlines
0 Stops
3h 27m
DEN - DCA
$ 99
Kiwi
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4:38 PM - 4:38 PM
Frontier Airlines
0 Stops
3h 21m
DEN - DCA
$ 119
Kiwi
Pick dates

How to find the cheapest flight from Denver (DEN) to Washington (DCA)

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