Charleston

$80+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
Nov 13 — Nov 201
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Find cheap flights from St. Louis to Charleston with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Charleston are usually found in August or October, booked 49 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from St. Louis to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$195
(Kiwi.com)

One-way from

$80
(Priceline)

Popular in

May

Cheapest in

August

Average price

$353

Good round-trip deal

$527 or less
Provider with most accurate pricing for Lambert-St Louis-Charleston flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Charleston flights.
From Lambert-St Louis to Charleston
One-way flight from Lambert-St Louis to Charleston
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Lambert-St Louis to Charleston.

Find 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 October 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Thu 12/42:57 pmSTL - CHS
1 stop17h 48mMultiple Airlines
Tue 12/92:59 pmCHS - STL
1 stop8h 47mMultiple Airlines
Deal found 10/12$195
This American Airlines deal was found by Cheapflights users on 10/13. 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.
Mon 12/85:58 pmSTL - CHS
1 stop4h 15mAmerican Airlines
Fri 12/126:00 amCHS - STL
1 stop5h 17mAmerican Airlines
Deal found 10/13$259
This Southwest deal was found by Cheapflights users on 10/13. 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 11/142:40 pmSTL - CHS
1 stop7h 50mSouthwest
Mon 11/177:20 pmCHS - STL
1 stop3h 50mSouthwest
Deal found 10/13$267
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 11/32:12 pmSTL - CHS
1 stop17h 25mMultiple Airlines
Wed 11/56:11 pmCHS - STL
2 stops24h 46mMultiple Airlines
Deal found 10/13$272
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Thu 10/3010:57 amSTL - CHS
1 stop21h 04mSpirit Airlines
Sat 11/17:55 pmCHS - STL
2 stops23h 21mSpirit Airlines
Deal found 10/13$278
This Southwest deal was found by Cheapflights users on 10/12. 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 11/1810:15 amSTL - CHS
2 stops7h 25mSouthwest
Thu 11/207:20 pmCHS - STL
1 stop3h 50mSouthwest
Deal found 10/12$297
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Thu 10/3010:57 amSTL - CHS
1 stop21h 04mMultiple Airlines
Sun 11/26:11 pmCHS - STL
2 stops20h 06mMultiple Airlines
Deal found 10/13$308
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/276:05 pmSTL - CHS
1 stop13h 32mMultiple Airlines
Thu 11/66:11 pmCHS - STL
2 stops22h 50mMultiple Airlines
Deal found 10/13$322

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 October 14, 2025.
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

Thu 12/4

2:57 pm-9:45 am

1 stop17h 48m

Charleston

Tue 12/9

2:59 pm-10:46 pm

1 stop8h 47m

$195

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 12/8

5:58 pm-11:13 pm

1 stop4h 15m

Charleston

Fri 12/12

6:00 am-10:17 am

1 stop5h 17m

$259

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 12/12

7:02 pm-11:57 pm

1 stop3h 55m

Charleston

Sun 12/14

5:25 am-8:24 am

1 stop3h 59m

$267

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 11/14

2:40 pm-11:30 pm

1 stop7h 50m

Charleston

Mon 11/17

7:20 pm-10:10 pm

1 stop3h 50m

$267

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 11/18

6:00 am-2:18 pm

1 stop7h 18m

Charleston

Thu 11/20

5:10 am-8:27 am

1 stop4h 17m

$267

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 12/15

6:05 am-2:02 pm

1 stop6h 57m

Charleston

Mon 12/22

5:30 am-8:58 am

1 stop4h 28m

$267

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 11/28

6:00 am-1:25 pm

1 stop6h 25m

Charleston

Tue 12/2

6:30 am-10:45 am

1 stop5h 15m

$267

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 11/6

11:07 am-10:42 pm

2 stops10h 35m

Charleston

Sun 11/9

2:59 pm-9:40 am

1 stop19h 41m

$297

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 11/18

11:15 am-8:35 pm

2 stops8h 20m

Charleston

Thu 11/20

7:00 am-1:50 pm

2 stops7h 50m

$327

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 12/4

10:15 am-6:40 pm

2 stops7h 25m

Charleston

Tue 12/9

1:00 pm-9:35 pm

2 stops9h 35m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 19 results
1
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 October 10, 2025.

The price you pay for your flight from St. Louis to Charleston may vary depending on when you book. For the best chance of a lower fare, look to book 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 $306). 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 October 14, 2025.

One of the essential ways to save on airfare from St. Louis to Charleston is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

What is the cheapest day to fly from St. Louis to Charleston?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Charleston. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their St. Louis to Charleston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for St. Louis to Charleston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Charleston trip
Airports
STL

Expect security screening at STL to take 5-10 minutes during off-peak times. Check wait times online before heading to the airport.

Read more about STLby Taryn White
CHS

For a quick ride to downtown Charleston, use rideshare services from CHS. They're convenient and offer in-app tracking.

Read more about CHSby Ramsey Qubein
Our travel experts
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

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

Ramsey Qubein

Ramsey Qubein

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 October 14, 2025.
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

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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?

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

    A quick flight from St. Louis to Charleston can take about 3h 55m. American Airlines provides one of the quickest options available for as low as $267. Airlines will cover a distance of 705 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $208. Other airlines that can offer you cheap pricing are American Airlines, from $275, and Southwest, from $286. These flights start at 46% 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 Spirit Airlines, with whom users have recently found tickets for as low as $115. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from St. Louis to Charleston for a low price.

  • What are the cheapest flights from St. Louis to Charleston?

    The cheapest flight price from St. Louis to Charleston is $512. On average you can expect to pay $527. The most popular route, (Lambert-St Louis - Charleston), can usually be booked for $195.

  • 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, 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 $306). 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
Summerville
Walterboro
Isle of Palms
Santee
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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$387FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$275Average$379FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$405FlexibilityNo cancel feeOn-time63%

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