Southwest® flights from Louisville to Washington D.C. Reagan National from $99

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

$

Louisville (SDF)to

Washington D.C. Reagan National (DCA)
Depart: 10/23/2026

One-way

Basic

From
$99
Seen: 19 hrs ago

Louisville (SDF)to

Washington D.C. Reagan National (DCA)
Depart: 10/15/2026

One-way

Basic

From
$110
Seen: 3 hrs ago

Louisville (SDF)to

Washington D.C. Reagan National (DCA)
Depart: 10/06/2026

One-way

Basic

From
$114
Seen: 12 hrs ago

Louisville (SDF)to

Washington D.C. Reagan National (DCA)
Depart: 10/13/2026

One-way

Basic

From
$114
Seen: 5 hrs ago

Louisville (SDF)to

Washington D.C. Reagan National (DCA)
Depart: 10/14/2026

One-way

Basic

From
$114
Seen: 4 hrs ago

Louisville (SDF)to

Washington D.C. Reagan National (DCA)
Depart: 10/24/2026

One-way

Basic

From
$114
Seen: 2 hrs ago

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Explore flights from Louisville to Washington D.C. Reagan National

Sep 2026
From$165*
Seen: 47 minutes ago
One Way/Basic
Oct 2026
From$99*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$114*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $114
cmp-daily-histogram-bars-legend-max-price-aria-label $289
Displaying fares for September-2026
  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

    SEP

  • SDF–DCA, 09/12/2026: From $225
    12

    Sat

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

    Sun

  • SDF–DCA, 09/14/2026: From $260
    14

    Mon

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

    Tue

  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • SDF–DCA, 09/17/2026: From $195
    17

    Thu

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

    Fri

  • SDF–DCA, 09/19/2026: From $195
    19

    Sat

  • SDF–DCA, 09/20/2026: From $289
    20

    Sun

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

    Mon

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

    Tue

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

    Wed

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

    Thu

  • SDF–DCA, 09/25/2026: From $165
    25

    Fri

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

    Sat

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

    Sun

  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • SDF–DCA, 09/29/2026: From $165
    29

    Tue

  • SDF–DCA, 09/30/2026: From $165
    30

    Wed

  • SDF–DCA, 10/01/2026: From $187
    01

    Thu

    OCT

  • SDF–DCA, 10/02/2026: From $118
    02

    Fri

  • SDF–DCA, 10/03/2026: From $114
    03

    Sat

  • SDF–DCA, 10/04/2026: From $284
    04

    Sun

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

    Mon

  • SDF–DCA, 10/06/2026: From $114
    06

    Tue

  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    07

    Wed

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

    Thu

  • SDF–DCA, 10/09/2026: From $214
    09

    Fri

  • SDF–DCA: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

    • Range$114-$289

    *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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