Southwest® flights from Austin to Louisville from $163

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Low fares from Austin to Louisville

$

Austin (AUS)to

Louisville (SDF)
Depart: 11/09/2026

One-way

Basic

From
$163
Seen: 13 hrs ago

Austin (AUS)to

Louisville (SDF)
Depart: 10/03/2026

One-way

Basic

From
$163
Seen: 18 hrs ago

Austin (AUS)to

Louisville (SDF)
Depart: 11/03/2026

One-way

Basic

From
$163
Seen: 14 hrs ago

Austin (AUS)to

Louisville (SDF)
Depart: 11/04/2026

One-way

Basic

From
$163
Seen: 18 hrs ago

Austin (AUS)to

Louisville (SDF)
Depart: 11/12/2026

One-way

Basic

From
$163
Seen: 21 hrs ago

Austin (AUS)to

Louisville (SDF)
Depart: 09/30/2026

One-way

Basic

From
$163
Seen: 11 hrs ago

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Explore flights from Austin to Louisville

Sep 2026
From$163*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$163*
Seen: 18 hrs ago
One Way/Basic
Nov 2026
From$163*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $163
cmp-daily-histogram-bars-legend-max-price-aria-label $394
Displaying fares for September-2026
  • AUS–SDF: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

    SEP

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    12

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

  • AUS–SDF, 09/17/2026: From $394
    17

    Thu

  • AUS–SDF, 09/18/2026: From $394
    18

    Fri

  • AUS–SDF, 09/19/2026: From $394
    19

    Sat

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

    Sun

  • AUS–SDF, 09/21/2026: From $394
    21

    Mon

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

    Tue

  • AUS–SDF, 09/23/2026: From $390
    23

    Wed

  • AUS–SDF, 09/24/2026: From $296
    24

    Thu

  • AUS–SDF: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

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

    Sat

  • AUS–SDF, 09/27/2026: From $260
    27

    Sun

  • AUS–SDF, 09/28/2026: From $249
    28

    Mon

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

    Tue

  • AUS–SDF, 09/30/2026: From $163
    30

    Wed

  • AUS–SDF, 10/01/2026: From $168
    01

    Thu

    OCT

  • AUS–SDF, 10/02/2026: From $186
    02

    Fri

  • AUS–SDF, 10/03/2026: From $163
    03

    Sat

  • AUS–SDF: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • AUS–SDF, 10/05/2026: From $168
    05

    Mon

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

    Tue

  • AUS–SDF, 10/07/2026: From $168
    07

    Wed

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

    Thu

  • AUS–SDF, 10/09/2026: From $254
    09

    Fri

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

    Sat

    • Range$163-$394

    *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:
    Austin-Bergstrom International Airport
    Arriving at:
    Louisville International Airport
    Average flight time:
    2 hours 15 minutes
    Distance:
    876 miles

    Route Information

    151† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday

    † 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

    The average flight time from Austin to Louisville is 2 hours 15 minutes.
    There are 151 weekly flights from Austin to Louisville on Southwest Airlines.
    Yes, Southwest flies nonstop from Austin to Louisville once per day from Monday through Friday.
    To find the lowest fares by day and time to fly Austin 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 Austin 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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