Expect security screening at STL to take 5-10 minutes during off-peak times. Check wait times online before heading to the airport.
$100+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
Feb 14 — Feb 211
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 August or November, booked 49 days in advance, depart on a Monday or Sunday 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 January 15, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $221 (Kiwi.com) |
One-way from | $100 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $432 |
Good one-way deal | $216 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 January 15, 2026.
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 January 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:17 pm
STL
- CHS
2 stops17h 19m
Multiple Airlines
Fri 2/203:21 pm
CHS
- STL
1 stop18h 35m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/143:49 pm
STL
- CHS
1 stop15h 49m
Multiple Airlines
Sat 2/216:35 pm
CHS
- STL
2 stops37h 16m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/308:22 pm
STL
- CHS
2 stops20h 14m
Multiple Airlines
Tue 2/33:01 pm
CHS
- STL
1 stop9h 32m
Multiple Airlines
Deal found 1/15![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/265:42 pm
STL
- CHS
1 stop13h 56m
Multiple Airlines
Fri 1/305:05 pm
CHS
- STL
2 stops14h 46m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/285:42 pm
STL
- CHS
1 stop13h 56m
Multiple Airlines
Thu 1/295:05 pm
CHS
- STL
2 stops38h 46m
Multiple Airlines
Deal found 1/15![Multiple Airlines logo]()
$305
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:06 pm
STL
- CHS
1 stop3h 57m
American Airlines
Wed 2/2511:05 am
CHS
- STL
1 stop5h 13m
American Airlines
Deal found 1/15![American Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 1/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:25 am
STL
- CHS
1 stop6h 27m
United Airlines
Wed 2/257:00 pm
CHS
- STL
1 stop5h 59m
United Airlines
Deal found 1/14![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 1/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:25 am
STL
- CHS
1 stop5h 10m
Southwest
Sat 3/712:40 pm
CHS
- STL
Nonstop2h 30m
Southwest
Deal found 1/14![Southwest logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/315:42 pm
STL
- CHS
1 stop13h 56m
Multiple Airlines
Sat 2/76:35 pm
CHS
- STL
2 stops37h 16m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/145:01 pm
STL
- CHS
1 stop5h 53m
Delta
Tue 2/172:54 pm
CHS
- STL
1 stop6h 15m
Delta
Deal found 1/14![Delta logo]()
$335
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 January 15, 2026.
Use the filters below to find and compare flights from St. Louis to Charleston that are best for you.
Fly from
St. Louis
Fly to
Charleston
Route
Depart
Return
Price
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Tue 3/3
11:25 am-5:35 pm
1 stop5h 10m
Charleston
Sat 3/7
12:40 pm-2:10 pm
Nonstop2h 30m
$325
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Mon 4/13
2:10 pm-5:05 pm
Nonstop1h 55m
Charleston
Sat 4/18
8:00 am-2:00 pm
1 stop7h 00m
$337
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Thu 2/19
7:41 am-1:52 pm
1 stop5h 11m
Charleston
Thu 2/19
7:00 pm-11:59 pm
1 stop5h 59m
$343
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Thu 2/19
7:41 am-1:52 pm
1 stop5h 11m
Charleston
Thu 2/26
5:05 pm-9:40 pm
1 stop5h 35m
$347
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Sun 2/22
9:35 am-6:31 pm
1 stop7h 56m
Charleston
Wed 2/25
5:05 am-9:06 am
1 stop5h 01m
$352
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Wed 4/1
12:10 pm-5:30 pm
1 stop4h 20m
Charleston
Mon 4/6
8:55 pm-12:05 am
1 stop4h 10m
$353
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Tue 2/24
6:30 am-2:14 pm
1 stop6h 44m
Charleston
Sun 3/1
5:27 am-9:06 am
1 stop4h 39m
$357
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Sat 2/14
12:40 pm-10:05 pm
2 stops8h 25m
Charleston
Sat 2/21
7:35 am-3:15 pm
2 stops8h 40m
$358
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Mon 2/16
3:49 pm-8:38 am
1 stop15h 49m
$100
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Sat 1/31
8:22 pm-4:10 pm
2 stops42h 48m
$106
Showing 1-10 of 18 results
Compare providers for flights from St. Louis to Charleston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Charleston in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Charleston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Charleston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Charleston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Charleston flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Charleston
Prices
More
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 January 9, 2026.
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 49 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, February is the cheapest month in which you can book a flight from St. Louis to Charleston (average of $84). Flying from St. Louis to Charleston in March is currently the most expensive (average of $287). 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’s the top layover airport for flights from St. Louis to Charleston?
Share of 1-stop round-trip flights from St. Louis to Charleston chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from St. Louis to Charleston on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Charleston?
Average round-trip fare for 1-stop flights from St. Louis to Charleston, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Nashville (BNA) is the most affordable 1-stop option, with an average round-trip price of $326.
What’s the fastest layover option from St. Louis to Charleston?
Shortest average travel time for 1-stop one-way flights from St. Louis to Charleston, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Nashville (BNA) have the shortest average one-way travel time for 1-stop routes: 4h 45m.
Which airport typically offers the quickest layover for flights from St. Louis to Charleston?
Average layover duration for 1-stop one-way flights from St. Louis to Charleston, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 09m.
The best insider tips for St. Louis to Charleston flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Charleston trip
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 January 15, 2026.
Read through reviews of airlines operating flights from St. Louis to Charleston, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near Charleston?
Book flights to Charleston if you plan to visit one of these locationsNorth Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach
Browse thousands of different options on Cheapflights for your next trip
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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 January 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$206 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$378 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$271 | Average$406 | FlexibilityNo cancel fee | On-time63% |