Southwest® flights from San Antonio to Louisville from $154

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Low fares from San Antonio to Louisville

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San Antonio (SAT)to

Louisville (SDF)
Depart: 10/27/2026

One-way

Basic

From
$154
Seen: 3 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 12/10/2026

One-way

Basic

From
$154
Seen: 17 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 11/26/2026

One-way

Basic

From
$154
Seen: 18 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 11/24/2026

One-way

Basic

From
$154
Seen: 15 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 10/26/2026

One-way

Basic

From
$183
Seen: 16 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 01/01/2027

One-way

Basic

From
$183
Seen: 6 hrs ago

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Explore flights from San Antonio to Louisville

Oct 2026
From$154*
Seen: 3 hrs ago
One Way/Basic
Nov 2026
From$154*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$154*
Seen: 17 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $154
cmp-daily-histogram-bars-legend-max-price-aria-label $459
Displaying fares for October-2026
  • SAT–SDF: cmp-view-offers-disclaimer. Find Offers
    02

    Fri

    OCT

  • SAT–SDF, 10/03/2026: From $305
    03

    Sat

  • SAT–SDF, 10/04/2026: From $351
    04

    Sun

  • SAT–SDF, 10/05/2026: From $351
    05

    Mon

  • SAT–SDF, 10/06/2026: From $305
    06

    Tue

  • SAT–SDF, 10/07/2026: From $305
    07

    Wed

  • SAT–SDF, 10/08/2026: From $441
    08

    Thu

  • SAT–SDF, 10/09/2026: From $459
    09

    Fri

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

    Sat

  • SAT–SDF: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

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    12

    Mon

  • SAT–SDF, 10/13/2026: From $305
    13

    Tue

  • SAT–SDF, 10/14/2026: From $305
    14

    Wed

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

    Thu

  • SAT–SDF, 10/16/2026: From $259
    16

    Fri

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    17

    Sat

  • SAT–SDF, 10/18/2026: From $259
    18

    Sun

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    19

    Mon

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    20

    Tue

  • SAT–SDF, 10/21/2026: From $259
    21

    Wed

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

    Thu

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    23

    Fri

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    24

    Sat

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    25

    Sun

  • SAT–SDF, 10/26/2026: From $183
    26

    Mon

  • SAT–SDF, 10/27/2026: From $154
    27

    Tue

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

    Wed

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

    Thu

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    30

    Fri

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    31

    Sat

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    01

    Sun

    NOV

    • Range$154-$459

    *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:
    San Antonio International Airport
    Arriving at:
    Louisville International Airport
    Distance:
    942 miles

    Route Information

    132† 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 132 weekly flights from San Antonio to Louisville on Southwest Airlines.
    To find the lowest fares by day and time to fly San Antonio 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 San Antonio 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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