Southwest® flights from Phoenix to Washington, D.C. (Reagan National) from $144

Promo Code

Low fares from Phoenix to Washington, D.C. (Reagan National)

$

Phoenix (PHX)to

Washington, D.C. (Reagan National) (DCA)
Depart: 09/06/2026

One-way

Basic

From
$144
Seen: 11 hrs ago

Phoenix (PHX)to

Washington, D.C. (Reagan National) (DCA)
Depart: 10/05/2026

One-way

Basic

From
$175
Seen: 18 hrs ago

Phoenix (PHX)to

Washington, D.C. (Reagan National) (DCA)
Depart: 09/24/2026

One-way

Basic

From
$180
Seen: 18 hrs ago

Phoenix (PHX)to

Washington, D.C. (Reagan National) (DCA)
Depart: 10/21/2026

One-way

Basic

From
$180
Seen: 20 hrs ago

Phoenix (PHX)to

Washington, D.C. (Reagan National) (DCA)
Depart: 09/10/2026

One-way

Basic

From
$180
Seen: 22 hrs ago

Phoenix (PHX)to

Washington, D.C. (Reagan National) (DCA)
Depart: 09/15/2026

One-way

Basic

From
$180
Seen: 2 hrs ago

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Explore flights from Phoenix to Washington, D.C. (Reagan National)

Aug 2026
From$180*
Seen: 4 hrs ago
One Way/Basic
Sep 2026
From$144*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$175*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $180
cmp-daily-histogram-bars-legend-max-price-aria-label $340
Displaying fares for August-2026
  • PHX–DCA, 08/02/2026: From $340
    02

    Sun

    AUG

  • PHX–DCA, 08/03/2026: From $340
    03

    Mon

  • PHX–DCA, 08/04/2026: From $288
    04

    Tue

  • PHX–DCA, 08/05/2026: From $288
    05

    Wed

  • PHX–DCA, 08/06/2026: From $340
    06

    Thu

  • PHX–DCA, 08/07/2026: From $275
    07

    Fri

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

    Sat

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

    Sun

  • PHX–DCA, 08/10/2026: From $275
    10

    Mon

  • PHX–DCA, 08/11/2026: From $275
    11

    Tue

  • PHX–DCA, 08/12/2026: From $275
    12

    Wed

  • PHX–DCA: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

  • PHX–DCA: cmp-view-offers-disclaimer. Find Offers
    14

    Fri

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

    Sat

  • PHX–DCA, 08/16/2026: From $215
    16

    Sun

  • PHX–DCA, 08/17/2026: From $215
    17

    Mon

  • PHX–DCA, 08/18/2026: From $215
    18

    Tue

  • PHX–DCA, 08/19/2026: From $215
    19

    Wed

  • PHX–DCA, 08/20/2026: From $215
    20

    Thu

  • PHX–DCA: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

  • PHX–DCA: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • PHX–DCA, 08/23/2026: From $214
    23

    Sun

  • PHX–DCA: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

  • PHX–DCA, 08/25/2026: From $180
    25

    Tue

  • PHX–DCA, 08/26/2026: From $180
    26

    Wed

  • PHX–DCA: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • PHX–DCA, 08/28/2026: From $180
    28

    Fri

  • PHX–DCA, 08/29/2026: From $180
    29

    Sat

  • PHX–DCA, 08/30/2026: From $180
    30

    Sun

  • PHX–DCA: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • PHX–DCA, 09/01/2026: From $180
    01

    Tue

    SEP

    • Range$180-$340

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Sky Harbor International Airport
    Arriving at:
    Ronald Reagan National Airport
    Distance:
    1979 miles

    Route Information

    156† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 156 weekly flights from Phoenix to Washington, D.C. (Reagan National) on Southwest Airlines.
    To find the lowest fares by day and time to fly Phoenix 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 Phoenix 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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