Southwest® flights from Kansas City to San Antonio from $144

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Low fares from Kansas City to San Antonio

$

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/19/2026

One-way

Basic

From
$144
Seen: 19 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/08/2026

One-way

Basic

From
$149
Seen: 22 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$149
Seen: 20 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/15/2026

One-way

Basic

From
$149
Seen: 8 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 01/20/2027

One-way

Basic

From
$154
Seen: 23 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 01/27/2027

One-way

Basic

From
$154
Seen: 14 hrs ago

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Explore flights from Kansas City to San Antonio

Nov 2026
From$214*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$144*
Seen: 19 hrs ago
One Way/Basic
Jan 2027
From$154*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $149
cmp-daily-histogram-bars-legend-max-price-aria-label $519
Displaying fares for November-2026
  • MCI–SAT, 11/11/2026: From $519
    11

    Wed

    NOV

  • MCI–SAT, 11/12/2026: From $519
    12

    Thu

  • MCI–SAT, 11/13/2026: From $519
    13

    Fri

  • MCI–SAT, 11/14/2026: From $469
    14

    Sat

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

    Sun

  • MCI–SAT, 11/16/2026: From $358
    16

    Mon

  • MCI–SAT, 11/17/2026: From $358
    17

    Tue

  • MCI–SAT, 11/18/2026: From $358
    18

    Wed

  • MCI–SAT, 11/19/2026: From $358
    19

    Thu

  • MCI–SAT, 11/20/2026: From $358
    20

    Fri

  • MCI–SAT, 11/21/2026: From $363
    21

    Sat

  • MCI–SAT, 11/22/2026: From $358
    22

    Sun

  • MCI–SAT, 11/23/2026: From $224
    23

    Mon

  • MCI–SAT, 11/24/2026: From $224
    24

    Tue

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

    Wed

  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

  • MCI–SAT, 11/27/2026: From $214
    27

    Fri

  • MCI–SAT, 11/28/2026: From $224
    28

    Sat

  • MCI–SAT, 11/29/2026: From $279
    29

    Sun

  • MCI–SAT, 11/30/2026: From $267
    30

    Mon

  • MCI–SAT, 12/01/2026: From $154
    01

    Tue

    DEC

  • MCI–SAT, 12/02/2026: From $149
    02

    Wed

  • MCI–SAT, 12/03/2026: From $179
    03

    Thu

  • MCI–SAT, 12/04/2026: From $179
    04

    Fri

  • MCI–SAT, 12/05/2026: From $154
    05

    Sat

  • MCI–SAT, 12/06/2026: From $232
    06

    Sun

  • MCI–SAT, 12/07/2026: From $164
    07

    Mon

  • MCI–SAT, 12/08/2026: From $149
    08

    Tue

  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

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

    Thu

    • Range$149-$519

    *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

    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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