Southwest® flights from St. Louis to Charleston from $109

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Low fares from St. Louis to Charleston

$

St. Louis (STL)to

Charleston (CHS)
Depart: 09/26/2026

One-way

Basic

From
$109
Seen: 19 hrs ago

St. Louis (STL)to

Charleston (CHS)
Depart: 09/19/2026

One-way

Basic

From
$109
Seen: 1 hour ago

St. Louis (STL)to

Charleston (CHS)
Depart: 10/29/2026

One-way

Basic

From
$109
Seen: 12 hrs ago

St. Louis (STL)to

Charleston (CHS)
Depart: 09/14/2026

One-way

Basic

From
$109
Seen: 15 hrs ago

St. Louis (STL)to

Charleston (CHS)
Depart: 09/12/2026

One-way

Basic

From
$109
Seen: 6 hrs ago

St. Louis (STL)to

Charleston (CHS)
Depart: 09/21/2026

One-way

Basic

From
$109
Seen: 11 hrs ago

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Explore flights from St. Louis to Charleston

Aug 2026
From$327*
Seen: 7 hrs ago
One Way/Basic
Sep 2026
From$109*
Seen: 15 hrs ago
One Way/Basic
Oct 2026
From$109*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $450
Displaying fares for August-2026
  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

    AUG

  • STL–CHS, 08/24/2026: From $450
    24

    Mon

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • STL–CHS, 08/26/2026: From $450
    26

    Wed

  • STL–CHS, 08/27/2026: From $450
    27

    Thu

  • STL–CHS, 08/28/2026: From $450
    28

    Fri

  • STL–CHS, 08/29/2026: From $327
    29

    Sat

  • STL–CHS, 08/30/2026: From $327
    30

    Sun

  • STL–CHS, 08/31/2026: From $327
    31

    Mon

  • STL–CHS, 09/01/2026: From $327
    01

    Tue

    SEP

  • STL–CHS, 09/02/2026: From $327
    02

    Wed

  • STL–CHS, 09/03/2026: From $327
    03

    Thu

  • STL–CHS, 09/04/2026: From $327
    04

    Fri

  • STL–CHS, 09/05/2026: From $244
    05

    Sat

  • STL–CHS, 09/06/2026: From $244
    06

    Sun

  • STL–CHS, 09/07/2026: From $244
    07

    Mon

  • STL–CHS, 09/08/2026: From $244
    08

    Tue

  • STL–CHS, 09/09/2026: From $244
    09

    Wed

  • STL–CHS, 09/10/2026: From $244
    10

    Thu

  • STL–CHS, 09/11/2026: From $244
    11

    Fri

  • STL–CHS, 09/12/2026: From $109
    12

    Sat

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

  • STL–CHS, 09/14/2026: From $109
    14

    Mon

  • STL–CHS, 09/15/2026: From $114
    15

    Tue

  • STL–CHS, 09/16/2026: From $154
    16

    Wed

  • STL–CHS, 09/17/2026: From $257
    17

    Thu

  • STL–CHS, 09/18/2026: From $128
    18

    Fri

  • STL–CHS, 09/19/2026: From $109
    19

    Sat

  • STL–CHS, 09/20/2026: From $210
    20

    Sun

  • STL–CHS, 09/21/2026: From $109
    21

    Mon

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

    • Range$109-$450

    *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:
    Lambert-St Louis Int'l Airport
    Arriving at:
    Charleston International Airport
    Average flight time:
    1 hour 50 minutes
    Distance:
    706 miles

    Route Information

    117† Weekly flights
    • 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 St. Louis to Charleston is 1 hour 50 minutes.
    There are 117 weekly flights from St. Louis to Charleston on Southwest Airlines.
    Yes, Southwest flies nonstop from St. Louis to Charleston once per day on Sundays.
    To find the lowest fares by day and time to fly St. Louis to Charleston with Southwest, check out our Low Fare Calendar.
    You can rent a car at Charleston International Airport book yours with your flight.
    Yes! Flights from St. Louis to Charleston—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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