$90+ Cheap flights from St. Louis to Charleston (STL - CHS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Charleston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Charleston are usually found in September or August, booked 86 days in advance, depart on a Monday or Tuesday and return on a Thursday
Cheap flight deals from St. Louis to Charleston
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 18, 2025.
Round-trip from | $217 (Southwest) |
|---|---|
One-way from | $90 (FlightHub) |
Popular in | May |
Cheapest in | September |
Average price | $406 |
Good round-trip deal | $286 or less |
Find flight deals from St. Louis to Charleston
Cheapest flights from St. Louis to CharlestonExplore the most affordable flight options available from St. Louis to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2025.
Explore the most affordable flight options available from St. Louis to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2025.
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 18, 2025.
Use the filters below to find and compare flights from St. Louis to Charleston that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Mon 8/11
7:50 am-10:45 am
Nonstop1h 55m
Charleston
Mon 8/18
11:25 am-12:30 pm
Nonstop2h 05m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Fri 8/15
2:15 pm-10:03 pm
1 stop6h 48m
Charleston
Mon 8/18
11:25 am-4:35 pm
1 stop6h 10m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Sat 9/27
9:56 am-6:42 pm
2 stops7h 46m
Charleston
Sat 10/4
3:10 pm-8:48 pm
1 stop6h 38m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Thu 8/14
10:37 am-7:12 pm
1 stop7h 35m
Charleston
Thu 8/21
8:17 pm-1:32 pm
2 stops18h 15m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Tue 10/7
12:25 pm-11:44 pm
2 stops10h 19m
Charleston
Sat 10/11
6:02 am-10:49 am
1 stop5h 47m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Thu 8/21
10:37 am-7:12 pm
1 stop7h 35m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Sun 9/28
7:50 am-10:45 am
Nonstop1h 55m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Tue 10/14
5:40 pm-11:41 pm
1 stop5h 01m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Sun 8/31
6:00 am-2:10 pm
2 stops7h 10m
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Fri 10/3
12:25 pm-11:44 pm
2 stops10h 19m
Best time to book a flight from St. Louis to Charleston
Have a flexible travel schedule? Discover the best time to fly to Charleston from St. Louis with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Charleston
How far ahead should I book a flight from St. Louis to Charleston?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Charleston. Price data was last updated on July 11, 2025.
The price you pay for your flight from St. Louis to Charleston may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Charleston?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Charleston (average of $217). Flying from St. Louis to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STL to CHS?
Find hourly flight availability from St. Louis to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 18, 2025.
One of the essential ways to save on airfare from St. Louis to Charleston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.
What is the cheapest day to fly from St. Louis to Charleston?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Charleston. Price data was last updated on July 13, 2025.
Travelers seeking maximum savings on their St. Louis to Charleston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Charleston
Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated July 18, 2025.
Read through reviews of airlines operating flights from St. Louis to Charleston, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
Boarding
Entertainment
Food
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Entertainment
Food
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Entertainment
Food
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Entertainment
Food
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Entertainment
Food
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Overall
Boarding
Entertainment
Food
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Charleston
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from St. Louis to Charleston
Discover the top 3 airlines that operate flights from St. Louis to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$374 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$407 | FlexibilityNo cancel fee | On-time63% |