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$74+ Cheap flights from St. Louis to Charleston (STL - CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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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

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 December 3, 2025.

This American Airlines deal was found by Cheapflights users on 12/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 pmSTL - CHS
1 stop5h 45mAmerican Airlines
Wed 1/145:57 pmCHS - STL
1 stop5h 58mAmerican Airlines
Deal found 12/3$159
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:05 amSTL - CHS
1 stop6h 57mDelta
Wed 12/246:00 amCHS - STL
1 stop3h 58mDelta
Deal found 12/2$295
This Delta deal was found by Cheapflights users on 12/3. 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.
Tue 12/306:00 amSTL - CHS
1 stop4h 36mDelta
Mon 1/123:02 pmCHS - STL
1 stop6h 04mDelta
Deal found 12/3$308
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 12/1210:42 amSTL - CHS
2 stops23h 18mMultiple Airlines
Tue 12/162:59 pmCHS - STL
1 stop8h 34mMultiple Airlines
Deal found 12/1$315
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Sat 12/204:27 pmSTL - CHS
1 stop15h 10mMultiple Airlines
Mon 12/293:33 pmCHS - STL
2 stops19h 07mMultiple Airlines
Deal found 12/2$340
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Sat 12/204:27 pmSTL - CHS
1 stop15h 10mMultiple Airlines
Wed 12/312:15 pmCHS - STL
2 stops20h 25mMultiple Airlines
Deal found 12/2$351
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Wed 12/3111:05 amSTL - CHS
1 stop7h 13mUnited Airlines
Wed 1/1411:00 amCHS - STL
2 stops12h 58mUnited Airlines
Deal found 12/3$383
This Delta deal was found by Cheapflights users on 12/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:02 pmSTL - CHS
1 stop4h 26mDelta
Fri 12/1912:51 pmCHS - STL
1 stop4h 15mDelta
Deal found 12/2$390
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/171:00 pmSTL - CHS
2 stops9h 43mUnited Airlines
Wed 12/2411:40 amCHS - STL
1 stop5h 47mUnited Airlines
Deal found 12/2$405
This Delta deal was found by Cheapflights users on 12/1. 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.
Mon 12/226:00 amSTL - CHS
1 stop4h 36mDelta
Fri 12/265:58 pmCHS - STL
1 stop4h 42mDelta
Deal found 12/1$415

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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$159
(American Airlines)

One-way from

$74
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$409
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. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 3, 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

Wed 12/31

6:00 pm-12:45 am

1 stop5h 45m

Charleston

Wed 1/14

5:57 pm-10:55 pm

1 stop5h 58m

$159

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 2/4

3:54 pm-11:07 pm

1 stop6h 13m

Charleston

Sat 2/7

10:18 am-3:04 pm

1 stop5h 46m

$180

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 1/12

1:18 pm-9:06 pm

1 stop6h 48m

Charleston

Thu 1/15

7:00 pm-11:39 pm

1 stop5h 39m

$201

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 2/23

12:30 pm-10:15 pm

1 stop8h 45m

Charleston

Sat 2/28

1:15 pm-9:10 pm

1 stop8h 55m

$271

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 12/17

6:05 am-2:02 pm

1 stop6h 57m

Charleston

Wed 12/24

6:00 am-8:58 am

1 stop3h 58m

$295

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 12/20

5:16 pm-11:50 pm

1 stop5h 34m

Charleston

Wed 12/31

5:10 am-8:35 am

1 stop4h 25m

$308

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 1/12

4:49 pm-2:02 pm

1 stop20h 13m

Charleston

Thu 1/15

7:00 pm-11:59 pm

1 stop5h 59m

$313

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 12/12

10:42 am-11:00 am

2 stops23h 18m

Charleston

Tue 12/16

2:59 pm-10:33 pm

1 stop8h 34m

$315

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 12/20

4:27 pm-8:37 am

1 stop15h 10m

Charleston

Mon 12/29

10:18 pm-10:56 am

1 stop13h 38m

$315

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 3/3

7:10 am-2:04 pm

1 stop5h 54m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Charleston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Charleston flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Charleston

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 November 28, 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 December 3, 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 November 29, 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

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
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 December 3, 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.
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,011 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,045 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 6 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 5h 45m. American Airlines provides one of the quickest options available for as low as $159. 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 $206. Other airlines that can offer you cheap pricing are American Airlines, from $246, and Southwest, from $286. These flights start at 47% 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 Delta, with whom users have recently found tickets for as low as $117. However, be on the lookout for offers from Southwest and American Airlines, 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, 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
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 December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$380FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$388FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$404FlexibilityNo cancel feeOn-time63%

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