Southwest® flights from Washington D.C. Reagan National to Louisville from $125

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

$

Washington D.C. Reagan National (DCA)to

Louisville (SDF)
Depart: 12/08/2026

One-way

Basic

From
$125
Seen: 6 hrs ago

Washington D.C. Reagan National (DCA)to

Louisville (SDF)
Depart: 12/09/2026

One-way

Basic

From
$125
Seen: 6 hrs ago

Washington D.C. Reagan National (DCA)to

Louisville (SDF)
Depart: 12/17/2026

One-way

Basic

From
$140
Seen: 23 hrs ago

Washington D.C. Reagan National (DCA)to

Louisville (SDF)
Depart: 12/08/2026

One-way

Choice

From
$160
Seen: 6 hrs ago

Washington D.C. Reagan National (DCA)to

Louisville (SDF)
Depart: 12/09/2026

One-way

Choice

From
$160
Seen: 6 hrs ago

Washington D.C. Reagan National (DCA)to

Louisville (SDF)
Depart: 12/17/2026

One-way

Choice

From
$175
Seen: 23 hrs ago

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

Nov 2026
From$190*
Seen: 7 hrs ago
One Way/Basic
Dec 2026
From$125*
Seen: 6 hrs ago
One Way/Basic
Jan 2027
From$190*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $125
cmp-daily-histogram-bars-legend-max-price-aria-label $275
Displaying fares for November-2026
  • DCA–SDF, 11/10/2026: From $250
    10

    Tue

    NOV

  • DCA–SDF, 11/11/2026: From $250
    11

    Wed

  • DCA–SDF, 11/12/2026: From $275
    12

    Thu

  • DCA–SDF, 11/13/2026: From $275
    13

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

  • DCA–SDF, 11/18/2026: From $220
    18

    Wed

  • DCA–SDF, 11/19/2026: From $220
    19

    Thu

  • DCA–SDF: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

  • DCA–SDF, 11/21/2026: From $250
    21

    Sat

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

    Sun

  • DCA–SDF, 11/23/2026: From $190
    23

    Mon

  • DCA–SDF, 11/24/2026: From $237
    24

    Tue

  • DCA–SDF, 11/25/2026: From $250
    25

    Wed

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

    Thu

  • DCA–SDF, 11/27/2026: From $190
    27

    Fri

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

    Sat

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

    Sun

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

    Mon

  • DCA–SDF: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    DEC

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

    Wed

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

    Thu

  • DCA–SDF, 12/04/2026: From $219
    04

    Fri

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

    Sat

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

    Sun

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

    Mon

  • DCA–SDF, 12/08/2026: From $125
    08

    Tue

  • DCA–SDF, 12/09/2026: From $125
    09

    Wed

    • Range$125-$275

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

    Questions we hear the most

    There are 102 weekly flights from Washington, D.C. (Reagan National) to Louisville on Southwest Airlines.
    To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) to Louisville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Louisville International Airport book yours with your flight.
    Yes! Flights from Washington, D.C. (Reagan National) to Louisville—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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