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Charleston

$94+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
Mar 24 — Mar 311
Tue 3/24
Tue 3/31
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Charleston are usually found in August or November, booked 52 days in advance, depart on a Monday or Sunday and return on a Thursday

Cheap flight deals from St. Louis to Charleston

Cheapest flights from St. Louis to Charleston
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 February 22, 2026.

This United Airlines deal was found by Cheapflights users on 2/19. 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 5/27:45 am
STL
-
CHS
1 stop5h 06m
United Airlines
Fri 5/85:03 pm
CHS
-
STL
1 stop5h 05m
United Airlines
Deal found 2/19$192
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/117:45 am
STL
-
CHS
1 stop5h 10m
United Airlines
Tue 4/144:55 pm
CHS
-
STL
1 stop5h 13m
United Airlines
Deal found 2/19$197
This United Airlines deal was found by Cheapflights users on 2/18. 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 6/61:13 pm
STL
-
CHS
1 stop7h 35m
United Airlines
Sat 6/136:00 am
CHS
-
STL
1 stop5h 34m
United Airlines
Deal found 2/18$226
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sun 3/86:25 am
STL
-
CHS
1 stop4h 40m
United Airlines
Thu 3/124:55 pm
CHS
-
STL
1 stop5h 12m
United Airlines
Deal found 2/19$241
This United Airlines deal was found by Cheapflights users on 2/18. 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 3/178:17 am
STL
-
CHS
1 stop4h 35m
United Airlines
Tue 3/244:55 pm
CHS
-
STL
1 stop5h 12m
United Airlines
Deal found 2/18$246
This United Airlines deal was found by Cheapflights users on 2/22. 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.
Sat 4/189:16 am
STL
-
CHS
1 stop6h 57m
United Airlines
Tue 4/214:55 pm
CHS
-
STL
1 stop5h 13m
United Airlines
Deal found 2/22$254
This Southwest deal was found by Cheapflights users on 2/20. 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.
Tue 4/1412:05 pm
STL
-
CHS
Nonstop1h 55m
Southwest
Wed 4/153:40 pm
CHS
-
STL
Nonstop2h 20m
Southwest
Deal found 2/20$257

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 February 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$192
(United Airlines)

One-way from

$94
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$369
Provider with most accurate pricing for Lambert-St Louis-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Charleston flights.
Search Deals
From Lambert-St Louis to Charleston
Search Deals
One-way flight from Lambert-St Louis to Charleston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search 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 February 22, 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

Sat 6/6

1:13 pm-9:48 pm

1 stop7h 35m

Charleston

Sat 6/13

6:00 am-12:07 pm

1 stop7h 07m

$197

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 6/8

6:00 am-2:16 pm

1 stop7h 16m

Charleston

Sat 6/13

6:00 am-12:07 pm

1 stop7h 07m

$197

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 5/2

7:45 am-6:59 pm

2 stops10h 14m

Charleston

Fri 5/8

5:03 pm-9:08 pm

1 stop5h 05m

$272

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/14

7:45 am-6:28 pm

2 stops9h 43m

Charleston

Thu 4/16

6:00 am-10:28 am

1 stop5h 28m

$272

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 3/11

8:17 am-1:52 pm

1 stop4h 35m

Charleston

Fri 3/13

8:15 am-2:43 pm

1 stop7h 28m

$275

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 7/23

5:30 pm-10:56 pm

1 stop4h 26m

Charleston

Sun 7/26

5:30 am-8:07 am

1 stop3h 37m

$281

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 3/17

10:30 am-9:10 pm

2 stops9h 40m

Charleston

Tue 3/24

6:15 am-2:30 pm

2 stops9h 15m

$287

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 6/25

5:30 pm-10:56 pm

1 stop4h 26m

Charleston

Sun 6/28

5:30 am-8:07 am

1 stop3h 37m

$293

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 5/29

1:13 pm-9:48 pm

1 stop7h 35m

$99

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 8/18

10:23 am-5:45 pm

1 stop6h 22m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 20 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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?

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 February 20, 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 51 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, July is the cheapest month in which you can book a flight from St. Louis to Charleston (average of $89). Flying from St. Louis to Charleston in January is currently the most expensive (average of $266). 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.

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
Taryn White

Taryn White

Expert on STL

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on CHS

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 February 22, 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.
Southwest
8.0
Very good
4,300 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,300 reviews
Southwest
8.0
Very good
4,300 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,236 reviews
Southwest
8.0
Very good
4,300 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,339 reviews
Southwest
8.0
Very good
4,300 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How popular is this St. Louis to Charleston flight route?

    Flights from Lambert-St Louis to Charleston have been viewed 2 times in the past calendar month.

  • How long is the flight from St. Louis to Charleston?

    A quick flight from St. Louis to Charleston can take about 7h 35m. United Airlines provides one of the quickest options available for as low as $197. Airlines will cover a distance of 705 mi.

  • What are the cheapest airlines flying from St. Louis to Charleston round-trip?

    Cheapflights users have booked flights from St. Louis to Charleston round-trip from $206. Other airlines that can offer you cheap pricing are American Airlines, from $243, and Southwest, from $271. These flights start at 45% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Charleston one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $98. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from St. Louis to Charleston for a low price.

  • Can I find deals for flights from St. Louis to Charleston that include hotel bookings?

    Yes. In addition to deals on St. Louis to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Charleston.

  • Can I find deals for business class flights from St. Louis to Charleston?

    Yes. Cheapflights offers flight deals from St. Louis to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Charleston?

    Currently, July is the cheapest month in which you can book a flight from St. Louis to Charleston (average of $89). Flying from St. Louis to Charleston in January is currently the most expensive (average of $266). 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.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North 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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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 February 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$378FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$271Average$405FlexibilityNo cancel feeOn-time63%

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