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Find low faresSouthwest® flights from St. Louis to Charleston from $131
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1 Passenger
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Low fares from St. Louis to Charleston
$
St. Louis (STL)to
Charleston (CHS)
Depart: 02/21/2026
One-way
Basic
From
$131
Seen: 31 minutes ago
St. Louis (STL)to
Charleston (CHS)
Depart: 04/07/2026
One-way
Basic
From
$148
Seen: 15 hrs ago
St. Louis (STL)to
Charleston (CHS)
Depart: 04/14/2026
One-way
Basic
From
$148
Seen: 16 hrs ago
St. Louis (STL)to
Charleston (CHS)
Depart: 04/25/2026
One-way
Basic
From
$148
Seen: 4 hrs ago
St. Louis (STL)to
Charleston (CHS)
Depart: 04/18/2026
One-way
Basic
From
$148
Seen: 16 hrs ago
St. Louis (STL)to
Charleston (CHS)
Depart: 04/04/2026
One-way
Basic
From
$148
Seen: 11 hrs ago
Explore flights from St. Louis to Charleston
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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.