Southwest® flights from Kansas City to San Antonio from $133

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Low fares from Kansas City to San Antonio

$

Kansas City (MCI)to

San Antonio (SAT)
Depart: 10/26/2026

One-way

Basic

From
$133
Seen: 6 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 10/28/2026

One-way

Basic

From
$133
Seen: 23 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 10/21/2026

One-way

Basic

From
$133
Seen: 22 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/17/2026

One-way

Basic

From
$133
Seen: 14 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/02/2026

One-way

Basic

From
$138
Seen: 21 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/03/2026

One-way

Basic

From
$138
Seen: 12 hrs ago

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Explore flights from Kansas City to San Antonio

Oct 2026
From$133*
Seen: 6 hrs ago
One Way/Basic
Nov 2026
From$138*
Seen: 23 hrs ago
One Way/Basic
Dec 2026
From$133*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $133
cmp-daily-histogram-bars-legend-max-price-aria-label $509
Displaying fares for October-2026
  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • MCI–SAT, 10/02/2026: From $509
    02

    Fri

  • MCI–SAT, 10/03/2026: From $509
    03

    Sat

  • MCI–SAT, 10/04/2026: From $509
    04

    Sun

  • MCI–SAT, 10/05/2026: From $509
    05

    Mon

  • MCI–SAT, 10/06/2026: From $509
    06

    Tue

  • MCI–SAT, 10/07/2026: From $348
    07

    Wed

  • MCI–SAT, 10/08/2026: From $348
    08

    Thu

  • MCI–SAT, 10/09/2026: From $348
    09

    Fri

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

    Sat

  • MCI–SAT, 10/11/2026: From $348
    11

    Sun

  • MCI–SAT, 10/12/2026: From $348
    12

    Mon

  • MCI–SAT, 10/13/2026: From $348
    13

    Tue

  • MCI–SAT, 10/14/2026: From $254
    14

    Wed

  • MCI–SAT, 10/15/2026: From $254
    15

    Thu

  • MCI–SAT, 10/16/2026: From $254
    16

    Fri

  • MCI–SAT, 10/17/2026: From $254
    17

    Sat

  • MCI–SAT, 10/18/2026: From $254
    18

    Sun

  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    19

    Mon

  • MCI–SAT, 10/20/2026: From $254
    20

    Tue

  • MCI–SAT, 10/21/2026: From $133
    21

    Wed

  • MCI–SAT, 10/22/2026: From $175
    22

    Thu

  • MCI–SAT, 10/23/2026: From $165
    23

    Fri

  • MCI–SAT, 10/24/2026: From $143
    24

    Sat

  • MCI–SAT, 10/25/2026: From $222
    25

    Sun

  • MCI–SAT, 10/26/2026: From $133
    26

    Mon

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

    Tue

  • MCI–SAT, 10/28/2026: From $133
    28

    Wed

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

    Thu

  • MCI–SAT, 10/30/2026: From $165
    30

    Fri

  • MCI–SAT, 10/31/2026: From $143
    31

    Sat

    • Range$133-$509

    *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:
    Kansas City International Airport
    Arriving at:
    San Antonio International Airport
    Average flight time:
    2 hours 3 minutes
    Distance:
    706 miles

    Route Information

    156† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Sunday

    † 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 Kansas City to San Antonio is 2 hours 3 minutes.
    There are 156 weekly flights from Kansas City to San Antonio on Southwest Airlines.
    Yes, Southwest flies nonstop from Kansas City to San Antonio once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Kansas City to San Antonio once per day on Sundays.
    To find the lowest fares by day and time to fly Kansas City 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 Kansas City 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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