Southwest® flights from San Antonio to Louisville from $174

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Low fares from San Antonio to Louisville

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San Antonio (SAT)to

Louisville (SDF)
Depart: 02/17/2027

One-way

Basic

From
$174
Seen: 18 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 12/29/2026

One-way

Basic

From
$174
Seen: 19 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 12/15/2026

One-way

Basic

From
$174
Seen: 14 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 12/08/2026

One-way

Basic

From
$174
Seen: 6 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 12/16/2026

One-way

Basic

From
$174
Seen: 16 hrs ago

San Antonio (SAT)to

Louisville (SDF)
Depart: 12/17/2026

One-way

Basic

From
$199
Seen: 28 minutes ago

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Explore flights from San Antonio to Louisville

Nov 2026
From$264*
Seen: 16 hrs ago
One Way/Basic
Dec 2026
From$174*
Seen: 19 hrs ago
One Way/Basic
Jan 2027
From$199*
Seen: 51 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $174
cmp-daily-histogram-bars-legend-max-price-aria-label $388
Displaying fares for November-2026
  • SAT–SDF, 11/11/2026: From $320
    11

    Wed

    NOV

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    12

    Thu

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    13

    Fri

  • SAT–SDF, 11/14/2026: From $320
    14

    Sat

  • SAT–SDF, 11/15/2026: From $366
    15

    Sun

  • SAT–SDF, 11/16/2026: From $366
    16

    Mon

  • SAT–SDF, 11/17/2026: From $320
    17

    Tue

  • SAT–SDF, 11/18/2026: From $320
    18

    Wed

  • SAT–SDF, 11/19/2026: From $366
    19

    Thu

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    20

    Fri

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    21

    Sat

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    22

    Sun

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    23

    Mon

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    24

    Tue

  • SAT–SDF, 11/25/2026: From $274
    25

    Wed

  • SAT–SDF, 11/26/2026: From $274
    26

    Thu

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    27

    Fri

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    28

    Sat

  • SAT–SDF, 11/29/2026: From $388
    29

    Sun

  • SAT–SDF, 11/30/2026: From $264
    30

    Mon

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    01

    Tue

    DEC

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    02

    Wed

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    03

    Thu

  • SAT–SDF, 12/04/2026: From $250
    04

    Fri

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    05

    Sat

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    06

    Sun

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    07

    Mon

  • SAT–SDF, 12/08/2026: From $174
    08

    Tue

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    09

    Wed

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    10

    Thu

    • Range$174-$388

    *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

    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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