$96+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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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 74 days in advance, depart on a Tuesday or Saturday and return on a Wednesday
Cheap flight deals from St. Louis to Charleston
Cheapest
Best
Last-minute
One-way
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 25, 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 July 25, 2026.
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 8/133:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Mon 8/175:20 pm
CHS
- STL
Nonstop2h 05m
Southwest
Deal found 7/23![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 7/24. 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.
Sat 9/261:40 pm
STL
- CHS
Nonstop2h 00m
Southwest
Wed 9/3010:45 am
CHS
- STL
1 stop6h 40m
Southwest
Deal found 7/24![Southwest logo]()
$222
This American Airlines deal was found by Cheapflights users on 7/22. 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 9/26:36 am
STL
- CHS
1 stop7h 06m
American Airlines
Sun 9/612:23 pm
CHS
- STL
1 stop4h 57m
American Airlines
Deal found 7/22![American Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 7/22. 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.
Sat 9/191:40 pm
STL
- CHS
Nonstop2h 00m
Southwest
Sat 9/267:35 am
CHS
- STL
1 stop4h 25m
Southwest
Deal found 7/22![Southwest logo]()
$241
This Southwest deal was found by Cheapflights users on 7/21. 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 8/1812:50 pm
STL
- CHS
2 stops5h 55m
Southwest
Thu 8/206:35 am
CHS
- STL
1 stop4h 35m
Southwest
Deal found 7/21![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 7/21. 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 8/188:35 am
STL
- CHS
2 stops9h 40m
Southwest
Tue 8/256:45 am
CHS
- STL
2 stops9h 05m
Southwest
Deal found 7/21![Southwest logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/218:34 pm
STL
- CHS
1 stop11h 04m
Multiple Airlines
Fri 9/258:53 pm
CHS
- STL
2 stops37h 47m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 7/21. 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.
Sat 9/268:30 am
STL
- CHS
2 stops9h 50m
Southwest
Sat 10/312:00 pm
CHS
- STL
2 stops9h 20m
Southwest
Deal found 7/21![Southwest logo]()
$253
This Delta deal was found by Cheapflights users on 7/20. 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.
Wed 8/127:00 am
STL
- CHS
1 stop5h 11m
Delta
Wed 8/195:10 am
CHS
- STL
1 stop3h 58m
Delta
Deal found 7/20![Delta logo]()
$255
Best flights from St. Louis to CharlestonDiscover carefully curated flight deals from St. Louis to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from St. Louis to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This Southwest deal was found by Cheapflights users on 7/24. 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.
Sat 9/2611:15 am
STL
- CHS
1 stop7h 10m
Southwest
Wed 9/3010:45 am
CHS
- STL
1 stop6h 40m
Southwest
Deal found 7/24![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/27:25 am
STL
- CHS
2 stops10h 45m
United Airlines
Sun 9/66:30 am
CHS
- STL
1 stop6h 32m
United Airlines
Deal found 7/22![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 7/22. 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.
Wed 10/71:45 pm
STL
- CHS
1 stop7h 10m
Southwest
Wed 10/148:10 am
CHS
- STL
1 stop4h 25m
Southwest
Deal found 7/22![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 9/33:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Sat 9/511:00 am
CHS
- STL
2 stops10h 50m
Southwest
Deal found 7/23![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 8/203:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Thu 8/278:40 am
CHS
- STL
2 stops7h 40m
Southwest
Deal found 7/21![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 7/23. 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.
Mon 10/51:00 pm
STL
- CHS
1 stop7h 40m
Southwest
Mon 10/126:40 pm
CHS
- STL
1 stop6h 55m
Southwest
Deal found 7/23![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 7/21. 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 8/188:35 am
STL
- CHS
2 stops9h 40m
Southwest
Thu 8/2011:30 am
CHS
- STL
2 stops7h 25m
Southwest
Deal found 7/21![Southwest logo]()
$296
This Southwest deal was found by Cheapflights users on 7/20. 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.
Thu 10/226:25 pm
STL
- CHS
1 stop4h 50m
Southwest
Sat 10/246:15 am
CHS
- STL
2 stops8h 25m
Southwest
Deal found 7/20![Southwest logo]()
$300
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 9/33:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Mon 9/77:00 am
CHS
- STL
1 stop4h 30m
Southwest
Deal found 7/23![Southwest logo]()
$352
Last-minute flights from St. Louis to CharlestonDiscover last-minute flight deals from St. Louis to Charleston. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Charleston. Data last updated July 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/20. 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.
Wed 8/127:00 am
STL
- CHS
1 stop5h 11m
Delta
Wed 8/195:10 am
CHS
- STL
1 stop3h 58m
Delta
Deal found 7/20![Delta logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/124:09 pm
STL
- CHS
1 stop15h 29m
Multiple Airlines
Wed 8/198:56 pm
CHS
- STL
2 stops45h 26m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 8/133:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Mon 8/175:20 pm
CHS
- STL
Nonstop2h 05m
Southwest
Deal found 7/23![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 8/133:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Wed 8/198:10 am
CHS
- STL
1 stop7h 40m
Southwest
Deal found 7/23![Southwest logo]()
$227
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 8/133:25 pm
STL
- CHS
1 stop6h 35m
American Airlines
Mon 8/177:48 pm
CHS
- STL
1 stop3h 52m
American Airlines
Deal found 7/23![American Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 8/136:00 am
STL
- CHS
2 stops8h 10m
United Airlines
Tue 8/187:00 am
CHS
- STL
1 stop5h 17m
United Airlines
Deal found 7/20![United Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 8/133:25 pm
STL
- CHS
1 stop4h 39m
American Airlines
Sun 8/166:47 am
CHS
- STL
1 stop6h 09m
American Airlines
Deal found 7/23![American Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/144:57 pm
STL
- CHS
2 stops21h 11m
Multiple Airlines
Wed 8/194:04 pm
CHS
- STL
1 stop25h 07m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 7/21. 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 8/1812:50 pm
STL
- CHS
2 stops5h 55m
Southwest
Thu 8/206:35 am
CHS
- STL
1 stop4h 35m
Southwest
Deal found 7/21![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 7/21. 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 8/188:35 am
STL
- CHS
2 stops9h 40m
Southwest
Tue 8/256:45 am
CHS
- STL
2 stops9h 05m
Southwest
Deal found 7/21![Southwest logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/316:17 pm
STL
- CHS
2 stops37h 51m
Multiple Airlines
Sun 9/62:53 pm
CHS
- STL
1 stop25h 35m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$261
One-way flights from St. Louis to CharlestonSearch for one-way flight options from St. Louis to Charleston. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from St. Louis to Charleston. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 8/236:17 pm
STL
- CHS
2 stops37h 21m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Tue 9/2210:35 am
STL
- CHS
2 stops25h 49m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/144:57 pm
STL
- CHS
2 stops21h 11m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/2310:35 am
STL
- CHS
2 stops21h 03m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/2110:35 am
STL
- CHS
2 stops24h 56m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/246:17 pm
STL
- CHS
2 stops14h 20m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/216:17 pm
STL
- CHS
2 stops37h 21m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$107
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 8/203:35 pm
STL
- CHS
Nonstop2h 00m
Southwest
Deal found 7/21![Southwest logo]()
$109
Find 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Southwest) |
One-way from | $96 (Kiwi.com) |
Popular in | July |
Cheapest in | August |
Average price | $435 |
Good round-trip deal | $326 or less |
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 25, 2026.
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
Cheapest round-trip
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Sat 9/26
11:15 am-7:25 pm
1 stop7h 10m
Charleston
Wed 9/30
10:45 am-4:25 pm
1 stop6h 40m
$227
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Wed 10/7
1:45 pm-9:55 pm
1 stop7h 10m
Charleston
Wed 10/14
8:10 am-11:35 am
1 stop4h 25m
$232
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Thu 9/3
3:35 pm-6:35 pm
Nonstop2h 00m
Charleston
Sat 9/5
11:00 am-8:50 pm
2 stops10h 50m
$232
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Thu 8/20
3:35 pm-6:35 pm
Nonstop2h 00m
Charleston
Thu 8/27
8:40 am-3:20 pm
2 stops7h 40m
$232
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Mon 10/5
1:00 pm-9:40 pm
1 stop7h 40m
Charleston
Mon 10/12
6:40 pm-12:35 am
1 stop6h 55m
$237
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Tue 8/18
8:35 am-7:15 pm
2 stops9h 40m
Charleston
Thu 8/20
11:30 am-5:55 pm
2 stops7h 25m
$296
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Thu 10/22
6:25 pm-12:15 am
1 stop4h 50m
Charleston
Sat 10/24
6:15 am-1:40 pm
2 stops8h 25m
$300
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Wed 9/2
7:25 am-7:10 pm
2 stops10h 45m
Charleston
Sun 9/6
6:30 am-12:02 pm
1 stop6h 32m
$327
Quickest round-trip
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Thu 9/3
3:35 pm-6:35 pm
Nonstop2h 00m
Charleston
Mon 9/7
7:00 am-10:30 am
1 stop4h 30m
$352
Cheapest one-way
Quickest one-way
St. LouisCharleston
STL - CHS
STLCHS
Lambert-St Louis
Sat 8/22
1:40 pm-4:40 pm
Nonstop2h 00m
$109
Showing 1-10 of 20 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Charleston flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
STL-CHS
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
How far ahead should I book a flight from St. Louis to Charleston?
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 72 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 $320). Flying from St. Louis to Charleston in July is currently the most expensive (average of $435). 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 25, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Charleston as you normally would.
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
Our travel experts
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 25, 2026.
Read through reviews of airlines operating flights from St. Louis to Charleston, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
Goose Creek
Edisto Beach
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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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$226 | Average$341 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$412 | FlexibilityNo cancel fee | On-time63% |