Southwest® flights from Charleston to San Antonio from $182

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Low fares from Charleston to San Antonio

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Charleston (CHS)to

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

One-way

Basic

From
$182
Seen: 13 hrs ago

Charleston (CHS)to

San Antonio (SAT)
Depart: 01/23/2027

One-way

Basic

From
$182
Seen: 23 hrs ago

Charleston (CHS)to

San Antonio (SAT)
Depart: 12/23/2026

One-way

Basic

From
$182
Seen: 22 hrs ago

Charleston (CHS)to

San Antonio (SAT)
Depart: 12/05/2026

One-way

Basic

From
$182
Seen: 17 hrs ago

Charleston (CHS)to

San Antonio (SAT)
Depart: 01/12/2027

One-way

Basic

From
$182
Seen: 2 hrs ago

Charleston (CHS)to

San Antonio (SAT)
Depart: 12/09/2026

One-way

Basic

From
$182
Seen: 22 hrs ago
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Explore flights from Charleston to San Antonio

cmp-daily-histogram-bars-legend-min-price-aria-label $182
cmp-daily-histogram-bars-legend-max-price-aria-label $574
Displaying fares for November-2026
  • CHS–SAT: cmp-view-offers-disclaimer. Find Offers
    09

    Mon

    NOV

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

    Tue

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

    Wed

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

    Thu

  • CHS–SAT, 11/13/2026: From $544
    13

    Fri

  • CHS–SAT, 11/14/2026: From $544
    14

    Sat

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

    Sun

  • CHS–SAT, 11/16/2026: From $469
    16

    Mon

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

    Tue

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

    Wed

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

    Thu

  • CHS–SAT: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

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

    Sat

  • CHS–SAT, 11/22/2026: From $284
    22

    Sun

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

    Mon

  • CHS–SAT, 11/24/2026: From $284
    24

    Tue

  • CHS–SAT, 11/25/2026: From $284
    25

    Wed

  • CHS–SAT, 11/26/2026: From $284
    26

    Thu

  • CHS–SAT, 11/27/2026: From $294
    27

    Fri

  • CHS–SAT, 11/28/2026: From $574
    28

    Sat

  • CHS–SAT, 11/29/2026: From $397
    29

    Sun

  • CHS–SAT, 11/30/2026: From $274
    30

    Mon

  • CHS–SAT, 12/01/2026: From $227
    01

    Tue

    DEC

  • CHS–SAT, 12/02/2026: From $182
    02

    Wed

  • CHS–SAT, 12/03/2026: From $197
    03

    Thu

  • CHS–SAT, 12/04/2026: From $207
    04

    Fri

  • CHS–SAT, 12/05/2026: From $182
    05

    Sat

  • CHS–SAT, 12/06/2026: From $244
    06

    Sun

  • CHS–SAT, 12/07/2026: From $197
    07

    Mon

  • CHS–SAT, 12/08/2026: From $197
    08

    Tue

  • Range$182-$574

    Flight Details

    Departing from:
    Charleston International Airport
    Arriving at:
    San Antonio International Airport
    Distance:
    1114 miles

    Questions we hear the most

    There are 101 weekly flights from Charleston to San Antonio on Southwest Airlines.
    To find the lowest fares by day and time to fly Charleston 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 Charleston 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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