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$95+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Charleston are usually found in September or July, booked 79 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 July 3, 2025.

Round-trip from

$197
(Southwest)

One-way from

$95
(FlightHub)

Popular in

May

Cheapest in

September

Average price

$320

Good round-trip deal

$397 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. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Southwest deal was found by Cheapflights users on 7/2. 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.
Mon 8/117:50 amSTL - CHS
Nonstop1h 55mSouthwest
Thu 8/1411:25 amCHS - STL
Nonstop2h 05mSouthwest
Deal found 7/2$197
This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 8/217:00 amSTL - CHS
1 stop5h 50mDelta
Thu 8/285:15 amCHS - STL
1 stop5h 00mDelta
Deal found 7/2$207
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:44 amSTL - CHS
1 stop23h 49mSpirit Airlines
Sun 10/1910:28 amCHS - STL
1 stop22h 21mSpirit Airlines
Deal found 7/2$217
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/298:37 amSTL - CHS
1 stop9h 40mAmerican Airlines
Tue 8/55:00 amCHS - STL
1 stop4h 14mAmerican Airlines
Deal found 7/1$234
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:25 pmSTL - CHS
1 stop6h 43mUnited Airlines
Sat 10/256:00 amCHS - STL
2 stops9h 27mUnited Airlines
Deal found 7/1$288
This Flightnetwork deal was found by Cheapflights users on 7/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:35 amSTL - CHS
1 stop7h 30mMultiple Airlines
Sun 9/218:10 pmCHS - STL
3 stops23h 31mMultiple Airlines
Deal found 7/1$336

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 July 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

Mon 8/11

7:50 am-10:45 am

Nonstop1h 55m

Charleston

Thu 8/14

11:25 am-12:30 pm

Nonstop2h 05m

$197

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 8/21

7:00 am-1:50 pm

1 stop5h 50m

Charleston

Thu 8/28

5:15 am-9:15 am

1 stop5h 00m

$207

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 7/31

10:47 am-9:53 am

1 stop22h 06m

Charleston

Thu 8/7

10:53 am-9:52 am

1 stop23h 59m

$223

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 7/29

8:37 am-7:17 pm

1 stop9h 40m

Charleston

Tue 8/5

5:00 am-8:14 am

1 stop4h 14m

$234

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 7/29

6:33 am-2:25 pm

2 stops6h 52m

Charleston

Tue 8/5

11:25 am-3:47 pm

1 stop5h 22m

$306

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 9/18

10:35 am-7:05 pm

1 stop7h 30m

Charleston

Sun 9/21

8:10 pm-6:41 pm

3 stops23h 31m

$336

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 9/11

10:35 am-7:05 pm

1 stop7h 30m

$95

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 9/8

7:50 am-10:45 am

Nonstop1h 55m

$99

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 9/24

9:25 am-6:09 pm

1 stop7h 44m

$104

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 9/16

6:35 am-2:33 pm

2 stops6h 58m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 results
1
2

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 June 27, 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 67 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 July 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 morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 10% 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 June 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.

How much does it cost to fly round-trip from St. Louis to Charleston?

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 July 3, 2025.
Read through reviews of airlines operating flights from St. Louis to Charleston, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,086 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • 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 $197. Other airlines that can offer you cheap pricing are Delta, from $207, and Spirit Airlines, from $223. These flights start at 48% 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 $95. However, be on the lookout for offers from Southwest and Delta, 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 $353. On average you can expect to pay $439. The most popular route, (Lambert-St Louis - Charleston), can usually be booked for $197.

  • 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$188Average$372FlexibilityNo cancel feeOn-time71%
DeltaCheapest$206Average$406FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$305Average$409FlexibilityNo cancel feeOn-time63%

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