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Charleston

$76+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Charleston are usually found in August or September, booked 86 days in advance, depart on a Sunday or Monday 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 septiembre 16, 2025.

Round-trip from

$156
(United Airlines)

One-way from

$76
(United Airlines)

Popular in

May

Cheapest in

August

Average price

$371

Good round-trip deal

$389 or less
From Lambert-St Louis to Charleston
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One-way flight from Lambert-St Louis to Charleston
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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Charleston.
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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 septiembre 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
dom. 11/166:30 amSTL - CHS
2 stops7h 39mUnited Airlines
sáb. 11/2211:25 amCHS - STL
1 stop5h 21mUnited Airlines
Deal found 9/15$156
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mar. 10/710:22 amSTL - CHS
1 stop5h 32mAmerican Airlines
sáb. 10/115:00 amCHS - STL
1 stop4h 16mAmerican Airlines
Deal found 9/14$159
This Delta deal was found by Cheapflights users on 9/15. 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.
lun. 10/203:59 pmSTL - CHS
1 stop3h 52mDelta
mar. 11/412:59 pmCHS - STL
1 stop4h 11mDelta
Deal found 9/15$197
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
jue. 10/2310:57 amSTL - CHS
1 stop21h 09mMultiple Airlines
jue. 11/611:40 amCHS - STL
2 stops29h 21mMultiple Airlines
Deal found 9/15$214
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
dom. 10/1910:57 amSTL - CHS
1 stop21h 09mMultiple Airlines
jue. 11/611:40 amCHS - STL
2 stops29h 21mMultiple Airlines
Deal found 9/15$220
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 10/221:05 pmSTL - CHS
1 stop4h 56mUnited Airlines
lun. 11/36:15 amCHS - STL
1 stop7h 13mUnited Airlines
Deal found 9/15$221
This American Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 10/156:00 amSTL - CHS
1 stop7h 25mAmerican Airlines
jue. 10/167:43 pmCHS - STL
1 stop5h 15mAmerican Airlines
Deal found 9/15$228
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
jue. 10/2310:57 amSTL - CHS
1 stop21h 09mMultiple Airlines
mar. 11/47:55 pmCHS - STL
2 stops46h 32mMultiple Airlines
Deal found 9/15$230
This American Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 10/185:20 amSTL - CHS
1 stop7h 03mAmerican Airlines
lun. 10/207:43 pmCHS - STL
1 stop5h 15mAmerican Airlines
Deal found 9/14$233
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
dom. 10/1910:57 amSTL - CHS
1 stop21h 09mMultiple Airlines
mar. 11/47:55 pmCHS - STL
2 stops46h 32mMultiple Airlines
Deal found 9/15$236

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 septiembre 16, 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

mar. 3/10

10:45 am-6:02 pm

1 stop6h 17m

Charleston

mié. 3/11

5:30 am-9:04 am

1 stop4h 34m

$197

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mar. 10/14

5:15 pm-11:59 pm

1 stop5h 44m

Charleston

lun. 10/27

8:03 pm-11:41 pm

1 stop4h 38m

$197

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mar. 10/21

5:15 pm-11:59 pm

1 stop5h 44m

Charleston

jue. 11/6

12:59 pm-6:02 pm

1 stop6h 03m

$197

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

lun. 10/20

3:59 pm-8:51 pm

1 stop3h 52m

Charleston

mar. 11/4

12:59 pm-4:10 pm

1 stop4h 11m

$197

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mar. 10/7

6:30 am-4:40 pm

2 stops9h 10m

Charleston

sáb. 10/11

4:15 pm-10:35 pm

1 stop7h 20m

$226

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mar. 3/10

1:27 pm-9:04 pm

1 stop6h 37m

Charleston

mié. 3/11

6:00 am-12:20 pm

2 stops7h 20m

$226

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mar. 10/21

11:10 am-11:30 pm

2 stops11h 20m

Charleston

sáb. 11/1

11:25 am-5:39 pm

1 stop7h 14m

$226

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mié. 11/12

8:25 am-3:09 pm

1 stop5h 44m

$76

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

dom. 11/23

8:25 am-3:09 pm

1 stop5h 44m

$76

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mar. 10/21

12:25 pm-8:08 pm

1 stop6h 43m

$76

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 15 results
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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

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 September 12, 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 86 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 $217). Flying from St. Louis to Charleston in March is currently the most expensive (average of $335). 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 septiembre 16, 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 16% 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 September 14, 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.

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 septiembre 16, 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
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

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
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

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
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

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
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

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?

    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 6h 17m. Delta 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 $208. Other airlines that can offer you cheap pricing are American Airlines, from $244, and Southwest, from $286. These flights start at 46% lower than the current average price 3 months from now.

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

    The cheapest flight price from St. Louis to Charleston is $382. On average you can expect to pay $527. The most popular route, (Lambert-St Louis - Charleston), can usually be booked for $151.

  • 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, August is the cheapest month in which you can book a flight from St. Louis to Charleston (average of $217). Flying from St. Louis to Charleston in March is currently the most expensive (average of $335). 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
Mount Pleasant
Isle of Palms
Santee
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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$244Average$376FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$406FlexibilityNo cancel feeOn-time63%

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