Southwest® flights from Indianapolis to San Antonio from $163

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Low fares from Indianapolis to San Antonio

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Indianapolis (IND)to

San Antonio (SAT)
Depart: 09/11/2026

One-way

Basic

From
$163
Seen: 18 hrs ago

Indianapolis (IND)to

San Antonio (SAT)
Depart: 08/26/2026

One-way

Basic

From
$163
Seen: 21 hrs ago

Indianapolis (IND)to

San Antonio (SAT)
Depart: 08/29/2026

One-way

Basic

From
$163
Seen: 10 hrs ago

Indianapolis (IND)to

San Antonio (SAT)
Depart: 08/19/2026

One-way

Basic

From
$163
Seen: 9 hrs ago

Indianapolis (IND)to

San Antonio (SAT)
Depart: 08/18/2026

One-way

Basic

From
$163
Seen: 8 hrs ago

Indianapolis (IND)to

San Antonio (SAT)
Depart: 09/01/2026

One-way

Basic

From
$163
Seen: 21 hrs ago

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Explore flights from Indianapolis to San Antonio

Aug 2026
From$163*
Seen: 1 hour ago
One Way/Basic
Sep 2026
From$163*
Seen: 18 hrs ago
One Way/Basic
Oct 2026
From$176*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $163
cmp-daily-histogram-bars-legend-max-price-aria-label $370
Displaying fares for August-2026
  • IND–SAT, 08/01/2026: From $278
    01

    Sat

    AUG

  • IND–SAT, 08/02/2026: From $370
    02

    Sun

  • IND–SAT, 08/03/2026: From $359
    03

    Mon

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    04

    Tue

  • IND–SAT, 08/05/2026: From $278
    05

    Wed

  • IND–SAT, 08/06/2026: From $359
    06

    Thu

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    07

    Fri

  • IND–SAT, 08/08/2026: From $278
    08

    Sat

  • IND–SAT, 08/09/2026: From $370
    09

    Sun

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

    Mon

  • IND–SAT, 08/11/2026: From $278
    11

    Tue

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    12

    Wed

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    13

    Thu

  • IND–SAT, 08/14/2026: From $285
    14

    Fri

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

    Sat

  • IND–SAT, 08/16/2026: From $260
    16

    Sun

  • IND–SAT, 08/17/2026: From $233
    17

    Mon

  • IND–SAT, 08/18/2026: From $163
    18

    Tue

  • IND–SAT, 08/19/2026: From $163
    19

    Wed

  • IND–SAT, 08/20/2026: From $233
    20

    Thu

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

  • IND–SAT, 08/22/2026: From $163
    22

    Sat

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

  • IND–SAT, 08/24/2026: From $176
    24

    Mon

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • IND–SAT, 08/26/2026: From $163
    26

    Wed

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • IND–SAT, 08/28/2026: From $193
    28

    Fri

  • IND–SAT, 08/29/2026: From $163
    29

    Sat

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • IND–SAT: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

    • Range$163-$370

    *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:
    Indianapolis International Airport
    Arriving at:
    San Antonio International Airport
    Distance:
    985 miles

    Route Information

    155† 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 155 weekly flights from Indianapolis to San Antonio on Southwest Airlines.
    To find the lowest fares by day and time to fly Indianapolis to San Antonio with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Antonio International Airport book yours with your flight.
    Yes! Flights from Indianapolis to San Antonio—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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