Southwest® flights from Louisville to Washington, D.C. (Reagan National) from $119

Promo Code

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

$

Louisville (SDF)to

Washington, D.C. (Reagan National) (DCA)
Depart: 10/29/2026

One-way

Basic

From
$119
Seen: 18 hrs ago

Louisville (SDF)to

Washington, D.C. (Reagan National) (DCA)
Depart: 08/26/2026

One-way

Basic

From
$124
Seen: 17 hrs ago

Louisville (SDF)to

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

One-way

Basic

From
$124
Seen: 5 hrs ago

Louisville (SDF)to

Washington, D.C. (Reagan National) (DCA)
Depart: 09/08/2026

One-way

Basic

From
$124
Seen: 10 hrs ago

Louisville (SDF)to

Washington, D.C. (Reagan National) (DCA)
Depart: 08/27/2026

One-way

Basic

From
$124
Seen: 14 hrs ago

Louisville (SDF)to

Washington, D.C. (Reagan National) (DCA)
Depart: 09/03/2026

One-way

Basic

From
$124
Seen: 20 minutes ago

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

Aug 2026
From$124*
Seen: 17 hrs ago
One Way/Basic
Sep 2026
From$124*
Seen: 10 hrs ago
One Way/Basic
Oct 2026
From$119*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $124
cmp-daily-histogram-bars-legend-max-price-aria-label $240
Displaying fares for August-2026
  • SDF–DCA, 08/01/2026: From $215
    01

    Sat

    AUG

  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

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    03

    Mon

  • SDF–DCA, 08/04/2026: From $215
    04

    Tue

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    05

    Wed

  • SDF–DCA, 08/06/2026: From $240
    06

    Thu

  • SDF–DCA, 08/07/2026: From $185
    07

    Fri

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    08

    Sat

  • SDF–DCA, 08/09/2026: From $185
    09

    Sun

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    10

    Mon

  • SDF–DCA, 08/11/2026: From $185
    11

    Tue

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    12

    Wed

  • SDF–DCA, 08/13/2026: From $185
    13

    Thu

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

    Fri

  • SDF–DCA, 08/15/2026: From $155
    15

    Sat

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    16

    Sun

  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    17

    Mon

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

    Tue

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    19

    Wed

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    20

    Thu

  • SDF–DCA, 08/21/2026: From $140
    21

    Fri

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    22

    Sat

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

    Sun

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    24

    Mon

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    25

    Tue

  • SDF–DCA, 08/26/2026: From $124
    26

    Wed

  • SDF–DCA, 08/27/2026: From $124
    27

    Thu

  • SDF–DCA, 08/28/2026: From $140
    28

    Fri

  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

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

    Mon

    • Range$124-$240

    *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:
    Louisville International Airport
    Arriving at:
    Ronald Reagan National Airport
    Distance:
    474 miles

    Route Information

    97† 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 97 weekly flights from Louisville to Washington, D.C. (Reagan National) on Southwest Airlines.
    To find the lowest fares by day and time to fly Louisville 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 Louisville 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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