Southwest® flights from St. Louis to Charleston from $158

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Low fares from St. Louis to Charleston

$

St. Louis (STL)to

Charleston (CHS)
Depart: 11/21/2026

One-way

Basic

From
$158
Seen: 22 hrs ago

St. Louis (STL)to

Charleston (CHS)
Depart: 11/22/2026

One-way

Basic

From
$158
Seen: 50 minutes ago

St. Louis (STL)to

Charleston (CHS)
Depart: 12/21/2026

One-way

Basic

From
$158
Seen: 19 hrs ago

St. Louis (STL)to

Charleston (CHS)
Depart: 11/23/2026

One-way

Basic

From
$158
Seen: 20 hrs ago

St. Louis (STL)to

Charleston (CHS)
Depart: 12/18/2026

One-way

Basic

From
$158
Seen: 11 hrs ago

St. Louis (STL)to

Charleston (CHS)
Depart: 12/20/2026

One-way

Basic

From
$158
Seen: 20 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

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Explore flights from St. Louis to Charleston

Oct 2026
From$186*
Seen: 19 hrs ago
One Way/Basic
Nov 2026
From$158*
Seen: 20 hrs ago
One Way/Basic
Dec 2026
From$158*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $186
cmp-daily-histogram-bars-legend-max-price-aria-label $522
Displaying fares for October-2026
  • STL–CHS, 10/04/2026: From $522
    04

    Sun

    OCT

  • STL–CHS, 10/05/2026: From $460
    05

    Mon

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • STL–CHS, 10/07/2026: From $460
    07

    Wed

  • STL–CHS, 10/08/2026: From $460
    08

    Thu

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    09

    Fri

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

    Sat

  • STL–CHS, 10/11/2026: From $337
    11

    Sun

  • STL–CHS, 10/12/2026: From $337
    12

    Mon

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

    Tue

  • STL–CHS, 10/14/2026: From $337
    14

    Wed

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

    Thu

  • STL–CHS, 10/16/2026: From $337
    16

    Fri

  • STL–CHS, 10/17/2026: From $254
    17

    Sat

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

    Sun

  • STL–CHS, 10/19/2026: From $254
    19

    Mon

  • STL–CHS, 10/20/2026: From $254
    20

    Tue

  • STL–CHS, 10/21/2026: From $254
    21

    Wed

  • STL–CHS, 10/22/2026: From $259
    22

    Thu

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

    Fri

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

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    25

    Sun

  • STL–CHS, 10/26/2026: From $233
    26

    Mon

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

  • STL–CHS, 10/29/2026: From $233
    29

    Thu

  • STL–CHS, 10/30/2026: From $186
    30

    Fri

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • STL–CHS, 11/01/2026: From $233
    01

    Sun

    NOV

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

  • STL–CHS: cmp-view-offers-disclaimer. Find Offers
    03

    Tue

    • Range$186-$522

    *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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