Flights from Denver, CO to Washington, D.C.

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Best Deals on Flights From Denver, CO (DEN) to Washington, D.C. (DCA)

Oct 2026
from$219*
Last seen: 18 hours ago
One-way/Economy
Nov 2026
from$154*
Last seen: 38 mins ago
One-way/Economy
Dec 2026
from$154*
Last seen: 19 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $154
cmp-daily-histogram-bars-legend-max-price-aria-label $273
Displaying fares for October-2026
  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

    OCT

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

  • DEN–DCA, Oct 24, 2026: from $253
    24

    Sat

  • DEN–DCA, Oct 25, 2026: from $273
    25

    Sun

  • DEN–DCA, Oct 26, 2026: from $273
    26

    Mon

  • DEN–DCA, Oct 27, 2026: from $253
    27

    Tue

  • DEN–DCA, Oct 28, 2026: from $253
    28

    Wed

  • DEN–DCA, Oct 29, 2026: from $229
    29

    Thu

  • DEN–DCA, Oct 30, 2026: from $229
    30

    Fri

  • DEN–DCA, Oct 31, 2026: from $219
    31

    Sat

  • DEN–DCA, Nov 1, 2026: from $229
    01

    Sun

    NOV

  • DEN–DCA, Nov 2, 2026: from $229
    02

    Mon

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    03

    Tue

  • DEN–DCA, Nov 4, 2026: from $219
    04

    Wed

  • DEN–DCA, Nov 5, 2026: from $194
    05

    Thu

  • DEN–DCA, Nov 6, 2026: from $194
    06

    Fri

  • DEN–DCA, Nov 7, 2026: from $184
    07

    Sat

  • DEN–DCA, Nov 8, 2026: from $194
    08

    Sun

  • DEN–DCA, Nov 9, 2026: from $194
    09

    Mon

  • DEN–DCA, Nov 10, 2026: from $184
    10

    Tue

  • DEN–DCA, Nov 11, 2026: from $154
    11

    Wed

  • DEN–DCA, Nov 12, 2026: from $164
    12

    Thu

  • DEN–DCA, Nov 13, 2026: from $164
    13

    Fri

  • DEN–DCA, Nov 14, 2026: from $154
    14

    Sat

  • DEN–DCA, Nov 15, 2026: from $164
    15

    Sun

  • DEN–DCA, Nov 16, 2026: from $164
    16

    Mon

  • DEN–DCA, Nov 17, 2026: from $154
    17

    Tue

  • DEN–DCA, Nov 18, 2026: from $154
    18

    Wed

  • DEN–DCA, Nov 19, 2026: from $164
    19

    Thu

  • DEN–DCA, Nov 20, 2026: from $255
    20

    Fri

  • DEN–DCA, Nov 21, 2026: from $154
    21

    Sat

    • Range$154-$273

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Denver, CO to Washington, D.C. on Frontier

    $
    Flights Deals from Denver, CO to Washington, D.C. on Frontier
    From
    To
    Denver, CO (DEN)Washington, D.C. (DCA)One-way
    /
    Discount Den Basic Fare    		Departing Jan 26, 2027

    From

    $154

    Last seen: 17 hours ago

    Denver, CO (DEN)Washington, D.C. (IAD)One-way
    /
    Discount Den Basic Fare    		Departing Mar 2, 2027

    From

    $89

    Last seen: 20 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Denver, CO Washington, D.C.

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