$92+ Cheap flights from St. Louis to Charleston (STL - CHS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
Oct 4 — Oct 111
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 February or October, booked 51 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 September 4, 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 September 4, 2026.
This Southwest deal was found by Cheapflights users on 9/3. 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 10/2411:55 am -
1 stop5h 50m
Thu 10/291:25 pm -
Nonstop2h 05m
Deal found 9/3![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 9/2. 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 10/176:00 am -
1 stop6h 25m
Mon 10/198:45 pm -
1 stop3h 55m
Deal found 9/2![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 9/1. 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 9/2212:50 pm -
2 stops6h 00m
Thu 9/247:00 am -
1 stop4h 30m
Deal found 9/1![Southwest logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/285:19 pm -
1 stop14h 19m
Tue 10/203:18 pm -
2 stops27h 22m
Deal found 9/2![Multiple Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 9/1. 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 10/264:30 pm -
Nonstop1h 55m
Fri 10/301:25 pm -
Nonstop2h 05m
Deal found 9/1![Southwest logo]()
$236
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/301:54 pm -
1 stop6h 12m
Wed 10/78:08 pm -
1 stop4h 51m
Deal found 8/31![American Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 10/24:30 pm -
Nonstop1h 55m
Mon 10/58:45 pm -
1 stop3h 55m
Deal found 9/2![Southwest logo]()
$241
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 10/178:00 am -
1 stop5h 04m
Thu 10/226:00 am -
2 stops7h 13m
Deal found 8/31![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 8/31. 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.
Fri 10/1612:00 pm -
1 stop3h 30m
Thu 10/2211:15 am -
1 stop6h 13m
Deal found 8/31![Delta logo]()
$246
This Southwest deal was found by Cheapflights users on 9/1. 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 11/1010:55 am -
2 stops7h 35m
Fri 11/1311:00 am -
2 stops9h 10m
Deal found 9/1![Southwest logo]()
$256
This Southwest deal was found by Cheapflights users on 9/1. 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.
Fri 10/24:30 pm -
Nonstop1h 55m
Fri 10/96:40 pm -
1 stop5h 10m
Deal found 9/1![Southwest logo]()
$260
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 September 4, 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 September 4, 2026.
This Delta deal was found by Cheapflights users on 9/1. 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 10/1710:47 am -
1 stop5h 37m
Mon 10/197:00 pm -
1 stop5h 54m
Deal found 9/1![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 10/164:30 pm -
Nonstop1h 55m
Mon 10/198:45 pm -
1 stop3h 55m
Deal found 9/3![Southwest logo]()
$265
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/11:29 pm -
1 stop7h 04m
Mon 10/56:50 pm -
1 stop5h 09m
Deal found 8/30![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 9/1. 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.
Thu 11/125:30 pm -
1 stop5h 29m
Sun 11/155:20 am -
1 stop4h 35m
Deal found 9/1![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 9/3. 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.
Fri 10/94:30 pm -
Nonstop1h 55m
Mon 10/128:45 pm -
1 stop3h 55m
Deal found 9/3![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 9/2. 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 9/222:45 pm -
1 stop4h 05m
Thu 9/245:20 pm -
Nonstop2h 05m
Deal found 9/2![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 10/307:30 am -
1 stop5h 26m
Tue 11/37:00 am -
2 stops9h 43m
Deal found 8/30![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 8/31. 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 10/156:25 pm -
1 stop4h 55m
Mon 10/194:45 pm -
2 stops7h 35m
Deal found 8/31![Southwest logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/2. 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 11/265:00 am -
2 stops8h 28m
Mon 11/307:19 pm -
1 stop5h 05m
Deal found 9/2![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/295:00 am -
2 stops8h 38m
Sun 11/17:19 pm -
1 stop5h 05m
Deal found 9/3![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 8/30. 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 10/14:30 pm -
Nonstop1h 55m
Mon 10/58:45 pm -
1 stop3h 55m
Deal found 8/30![Southwest logo]()
$439
Last-minute flights from St. Louis to CharlestonDiscover last-minute flight deals from St. Louis to Charleston. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Charleston. Data last updated September 4, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/1. 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 9/2212:50 pm -
2 stops6h 00m
Thu 9/247:00 am -
1 stop4h 30m
Deal found 9/1![Southwest logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/285:19 pm -
1 stop14h 19m
Tue 10/203:18 pm -
2 stops27h 22m
Deal found 9/2![Multiple Airlines logo]()
$233
This American Airlines deal was found by Cheapflights users on 8/31. 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 9/301:54 pm -
1 stop6h 12m
Wed 10/78:08 pm -
1 stop4h 51m
Deal found 8/31![American Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 8/31. 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 9/301:40 pm -
1 stop4h 40m
Wed 10/71:55 pm -
2 stops7h 05m
Deal found 8/31![Southwest logo]()
$261
This Southwest deal was found by Cheapflights users on 9/2. 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.
Fri 10/24:30 pm -
Nonstop1h 55m
Mon 10/58:45 pm -
1 stop3h 55m
Deal found 9/2![Southwest logo]()
$241
This Southwest deal was found by Cheapflights users on 9/1. 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.
Fri 10/24:30 pm -
Nonstop1h 55m
Fri 10/96:40 pm -
1 stop5h 10m
Deal found 9/1![Southwest logo]()
$260
This Delta deal was found by Cheapflights users on 8/31. 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.
Fri 10/1612:00 pm -
1 stop3h 30m
Thu 10/2211:15 am -
1 stop6h 13m
Deal found 8/31![Delta logo]()
$246
This Southwest deal was found by Cheapflights users on 9/2. 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 10/176:00 am -
1 stop6h 25m
Mon 10/198:45 pm -
1 stop3h 55m
Deal found 9/2![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Sat 10/178:00 am -
1 stop5h 04m
Thu 10/226:00 am -
2 stops7h 13m
Deal found 8/31![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 9/3. 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 10/2411:55 am -
1 stop5h 50m
Thu 10/291:25 pm -
Nonstop2h 05m
Deal found 9/3![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 9/1. 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 10/264:30 pm -
Nonstop1h 55m
Fri 10/301:25 pm -
Nonstop2h 05m
Deal found 9/1![Southwest logo]()
$236
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 September 4, 2026.
Search for one-way flight options from St. Louis to Charleston. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/282:29 pm -
2 stops41h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 11/26:44 pm -
2 stops36h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/52:29 pm -
2 stops41h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/302:29 pm -
2 stops17h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Multiple Airlines logo]()
$108
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 11/310:53 am -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 12/22:59 pm -
2 stops30h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$115
This Delta deal was found by Cheapflights users on 9/3. 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 10/3112:00 pm -
1 stop4h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/306:44 pm -
2 stops37h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$125
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Southwest) |
One-way from | $92 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $430 |
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 7,457,451 searches. Data last updated September 4, 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 Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Mon 11/2
9:40 am-6:04 pm
1 stop7h 24m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
Quickest round-trip
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Sat 10/3
10:40 am-3:22 pm
1 stop3h 42m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Tue 11/3
10:53 am-6:04 pm
1 stop6h 11m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Sat 10/31
6:00 am-11:04 am
1 stop4h 04m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Thu 12/3
12:36 pm-5:56 pm
1 stop4h 20m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Mon 9/28
6:00 am-11:38 am
1 stop4h 38m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Mon 11/2
12:00 pm-7:39 pm
1 stop6h 39m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$114
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Tue 12/1
6:33 am-3:07 pm
2 stops7h 34m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$119
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Sat 10/17
9:04 am-6:48 pm
2 stops8h 44m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$119
St. LouisCharleston
STL Lambert-St Louis - CHS Charleston
STLCHS
Lambert-St Louis
Sat 10/31
5:00 am-2:23 pm
2 stops8h 23m
Charleston
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
Showing 1-10 of 22 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 September.
| 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 50 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 $350). 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 September 4, 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 September 4, 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.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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
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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$252 | Average$350 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$419 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$270 | Average$397 | FlexibilityNo cancel fee | On-time71% |