Southwest® flights from Denver to Washington D.C. Reagan National from $200

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Low fares from Denver to Washington D.C. Reagan National

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Denver (DEN)to

Washington D.C. Reagan National (DCA)
Depart: 12/15/2026

One-way

Basic

From
$200
Seen: 18 hrs ago

Denver (DEN)to

Washington D.C. Reagan National (DCA)
Depart: 02/02/2027

One-way

Basic

From
$200
Seen: 16 hrs ago

Denver (DEN)to

Washington D.C. Reagan National (DCA)
Depart: 01/08/2027

One-way

Basic

From
$200
Seen: 9 hrs ago

Denver (DEN)to

Washington D.C. Reagan National (DCA)
Depart: 01/19/2027

One-way

Basic

From
$200
Seen: 5 hrs ago

Denver (DEN)to

Washington D.C. Reagan National (DCA)
Depart: 02/11/2027

One-way

Basic

From
$200
Seen: 5 hrs ago

Denver (DEN)to

Washington D.C. Reagan National (DCA)
Depart: 12/16/2026

One-way

Basic

From
$200
Seen: 19 hrs ago
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Explore flights from Denver to Washington D.C. Reagan National

cmp-daily-histogram-bars-legend-min-price-aria-label $200
cmp-daily-histogram-bars-legend-max-price-aria-label $495
Displaying fares for November-2026
  • DEN–DCA, 11/13/2026: From $345
    13

    Fri

    NOV

  • DEN–DCA, 11/14/2026: From $350
    14

    Sat

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

  • DEN–DCA, 11/16/2026: From $345
    16

    Mon

  • DEN–DCA, 11/17/2026: From $345
    17

    Tue

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • DEN–DCA, 11/19/2026: From $285
    19

    Thu

  • DEN–DCA, 11/20/2026: From $290
    20

    Fri

  • DEN–DCA, 11/21/2026: From $290
    21

    Sat

  • DEN–DCA, 11/22/2026: From $290
    22

    Sun

  • DEN–DCA, 11/23/2026: From $290
    23

    Mon

  • DEN–DCA, 11/24/2026: From $295
    24

    Tue

  • DEN–DCA, 11/25/2026: From $279
    25

    Wed

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

  • DEN–DCA, 11/27/2026: From $289
    27

    Fri

  • DEN–DCA, 11/28/2026: From $380
    28

    Sat

  • DEN–DCA, 11/29/2026: From $495
    29

    Sun

  • DEN–DCA, 11/30/2026: From $385
    30

    Mon

  • DEN–DCA, 12/01/2026: From $235
    01

    Tue

    DEC

  • DEN–DCA, 12/02/2026: From $200
    02

    Wed

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

    Thu

  • DEN–DCA, 12/04/2026: From $205
    04

    Fri

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • DEN–DCA, 12/07/2026: From $205
    07

    Mon

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • DEN–DCA, 12/10/2026: From $205
    10

    Thu

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

  • DEN–DCA: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

  • Range$200-$495

    Flight Details

    Departing from:
    Denver International Airport
    Arriving at:
    Ronald Reagan National Airport
    Distance:
    1476 miles

    Questions we hear the most

    There are 157 weekly flights from Denver to Washington, D.C. (Reagan National) on Southwest Airlines.
    To find the lowest fares by day and time to fly Denver to Washington, D.C. (Reagan National) with Southwest, check out our Low Fare Calendar.
    You can rent a car at Ronald Reagan National Airport book yours with your flight.
    Yes! Flights from Denver to Washington, D.C. (Reagan National)—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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