Southwest® flights from Kansas City to San Antonio from $135

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Low fares from Kansas City to San Antonio

$

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/22/2026

One-way

Basic

From
$135
Seen: 4 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 11/12/2026

One-way

Basic

From
$135
Seen: 22 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/21/2026

One-way

Basic

From
$135
Seen: 12 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 11/13/2026

One-way

Basic

From
$135
Seen: 13 hrs ago

Kansas City (MCI)to

San Antonio (SAT)
Depart: 12/11/2026

One-way

Basic

From
$135
Seen: 17 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$135
Seen: 8 hrs ago

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Explore flights from Kansas City to San Antonio

Oct 2026
From$314*
Seen: 1 minute ago
One Way/Basic
Nov 2026
From$135*
Seen: 13 hrs ago
One Way/Basic
Dec 2026
From$135*
Seen: 4 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $135
cmp-daily-histogram-bars-legend-max-price-aria-label $459
Displaying fares for October-2026
  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    21

    Wed

    OCT

  • MCI–SAT, 10/22/2026: From $459
    22

    Thu

  • MCI–SAT, 10/23/2026: From $459
    23

    Fri

  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • MCI–SAT, 10/25/2026: From $459
    25

    Sun

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

    Mon

  • MCI–SAT, 10/27/2026: From $314
    27

    Tue

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

    Wed

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

    Thu

  • MCI–SAT, 10/30/2026: From $314
    30

    Fri

  • MCI–SAT, 10/31/2026: From $324
    31

    Sat

  • MCI–SAT, 11/01/2026: From $314
    01

    Sun

    NOV

  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

  • MCI–SAT, 11/03/2026: From $214
    03

    Tue

  • MCI–SAT, 11/04/2026: From $229
    04

    Wed

  • MCI–SAT, 11/05/2026: From $209
    05

    Thu

  • MCI–SAT, 11/06/2026: From $209
    06

    Fri

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

    Sat

  • MCI–SAT, 11/08/2026: From $219
    08

    Sun

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

    Mon

  • MCI–SAT, 11/10/2026: From $136
    10

    Tue

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

    Wed

  • MCI–SAT, 11/12/2026: From $135
    12

    Thu

  • MCI–SAT, 11/13/2026: From $135
    13

    Fri

  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • MCI–SAT, 11/15/2026: From $145
    15

    Sun

  • MCI–SAT, 11/16/2026: From $141
    16

    Mon

  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • MCI–SAT: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • MCI–SAT, 11/19/2026: From $141
    19

    Thu

  • MCI–SAT, 11/20/2026: From $189
    20

    Fri

    • Range$135-$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:
    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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