Charleston

$83+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
jun. 17 — jun. 241
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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 Tuesday 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 junio 12, 2025.

Round-trip from

$221
(Mytrip)

One-way from

$83
(Spirit)

Popular in

May

Cheapest in

September

Average price

$372

Good round-trip deal

$425 or less
From Lambert-St Louis to Charleston
One-way flight from Lambert-St Louis to Charleston
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in June 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 junio 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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.
jue. 9/188:44 amSTL - CHS
1 stop23h 49mSpirit Airlines
dom. 9/2110:28 amCHS - STL
1 stop22h 21mSpirit Airlines
Deal found 6/11$202
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/411:20 amSTL - CHS
1 stop8h 00mAmerican Airlines
mar. 11/112:40 pmCHS - STL
1 stop8h 01mAmerican Airlines
Deal found 6/12$243
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/167:00 amSTL - CHS
1 stop5h 56mDelta
mié. 7/2310:42 amCHS - STL
1 stop6h 36mDelta
Deal found 6/12$287
This Southwest deal was found by Cheapflights users on 6/10. 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.
lun. 8/117:50 amSTL - CHS
Nonstop1h 55mSouthwest
vie. 8/1511:25 amCHS - STL
Nonstop2h 05mSouthwest
Deal found 6/10$308
This United Airlines deal was found by Cheapflights users on 6/11. 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. 11/28:00 amSTL - CHS
1 stop4h 55mUnited Airlines
mié. 11/52:52 pmCHS - STL
2 stops8h 55mUnited Airlines
Deal found 6/11$331
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/1810:47 amSTL - CHS
3 stops33h 06mMultiple Airlines
lun. 7/219:38 amCHS - STL
3 stops34h 03mMultiple Airlines
Deal found 6/11$352

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 junio 12, 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

jue. 7/17

10:47 am-9:53 am

1 stop22h 06m

Charleston

dom. 7/20

10:53 am-9:52 am

1 stop23h 59m

$221

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

jue. 8/7

8:50 am-7:25 pm

1 stop9h 35m

Charleston

lun. 8/11

1:47 pm-11:51 pm

1 stop11h 04m

$243

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mié. 7/16

7:00 am-1:56 pm

1 stop5h 56m

Charleston

mié. 7/23

10:42 am-4:18 pm

1 stop6h 36m

$287

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

lun. 8/11

7:50 am-10:45 am

Nonstop1h 55m

Charleston

vie. 8/15

11:25 am-12:30 pm

Nonstop2h 05m

$308

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mié. 7/30

11:24 am-8:37 am

1 stop20h 13m

Charleston

lun. 8/4

10:53 am-4:31 pm

3 stops30h 38m

$350

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

lun. 8/25

6:35 am-2:28 pm

2 stops6h 53m

Charleston

mié. 8/27

6:05 am-2:33 pm

1 stop9h 28m

$380

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

jue. 8/21

10:50 am-7:05 pm

1 stop7h 15m

$83

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mié. 8/6

6:06 am-4:40 pm

1 stop9h 34m

$127

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

sáb. 7/12

5:23 pm-11:01 pm

1 stop4h 38m

$144

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

mar. 7/22

5:00 am-2:25 pm

2 stops8h 25m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 13 results
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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 9, 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 junio 12, 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 8, 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.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 junio 12, 2025.
To help decide which airline to fly from St. Louis to Charleston, see what other customers have to say about Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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.
8.0
Very good

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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.

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

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?

  • 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 $221. Other airlines that can offer you cheap pricing are American Airlines, from $243, and Delta, from $287. These flights start at 41% 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 $83. However, be on the lookout for offers from American Airlines 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 $346. On average you can expect to pay $447. The most popular route, (Lambert-St Louis - Charleston), can usually be booked for $221.

  • 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$188Average$370FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$390FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$305Average$410FlexibilityNo cancel feeOn-time63%

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