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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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CHS
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
1 adult, Economy
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The best prices from Lambert-St Louis to Charleston are usually found in July or September, booked 67 days in advance, depart on a Monday or Thursday and return on a Monday

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 March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Mytrip)

One-way from

$74
(Mytrip)

Popular in

March

Cheapest in

July

Average price

$408

Good round-trip deal

$317 or less
Provider with most accurate pricing for Lambert-St Louis-Charleston flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Charleston flights.
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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. 7% potential increase in price ($27 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 March 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 March 8, 2025.

This Mytrip deal was found by Cheapflights users on 3/7. 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.
Tue 4/86:47 pmSTL - CHS
1 stop22h 48mSpirit Airlines
Thu 4/1010:25 amCHS - STL
1 stop7h 50mSpirit Airlines
Deal found 3/7$149
This Booking.com deal was found by Cheapflights users on 3/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:35 amSTL - CHS
1 stop12h 57mMultiple Airlines
Tue 4/811:02 amCHS - STL
1 stop7h 50mMultiple Airlines
Deal found 3/6$198
This Southwest deal was found by Cheapflights users on 3/6. 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 4/222:20 pmSTL - CHS
Nonstop2h 00mSouthwest
Wed 4/235:55 pmCHS - STL
Nonstop2h 20mSouthwest
Deal found 3/6$277
This Delta deal was found by Cheapflights users on 3/7. 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 4/144:05 pmSTL - CHS
1 stop5h 41mDelta
Thu 4/178:23 pmCHS - STL
1 stop4h 13mDelta
Deal found 3/7$297
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Mon 4/143:40 pmSTL - CHS
2 stops7h 19mUnited Airlines
Thu 4/1711:40 amCHS - STL
1 stop5h 07mUnited Airlines
Deal found 3/7$302
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Fri 4/186:15 amSTL - CHS
1 stop5h 06mAmerican Airlines
Mon 4/215:10 amCHS - STL
1 stop4h 20mAmerican Airlines
Deal found 3/5$317
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:44 amSTL - CHS
2 stops28h 10mAlaska Airlines
Mon 4/216:38 pmCHS - STL
2 stops24h 24mAlaska Airlines
Deal found 3/5$845

Find flights from St. Louis to Charleston within your budget

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 March 8, 2025.

Fly from

St. Louis

Fly to

Charleston

Route

Depart

Return

Price

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/8

6:47 pm-6:35 pm

1 stop22h 48m

Charleston

Thu 4/10

10:25 am-5:15 pm

1 stop7h 50m

$149

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sun 4/6

6:35 am-8:32 pm

1 stop12h 57m

Charleston

Tue 4/8

11:02 am-5:52 pm

1 stop7h 50m

$198

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/22

2:20 pm-5:20 pm

Nonstop2h 00m

Charleston

Wed 4/23

5:55 pm-7:15 pm

Nonstop2h 20m

$277

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 4/14

4:05 pm-10:46 pm

1 stop5h 41m

Charleston

Thu 4/17

8:23 pm-11:36 pm

1 stop4h 13m

$297

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 4/14

3:40 pm-11:59 pm

2 stops7h 19m

Charleston

Thu 4/17

11:40 am-3:47 pm

1 stop5h 07m

$302

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 4/18

7:03 pm-11:57 pm

1 stop3h 54m

Charleston

Mon 4/21

5:10 am-8:30 am

1 stop4h 20m

$317

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 4/18

6:44 am-11:54 am

2 stops28h 10m

Charleston

Mon 4/21

6:38 pm-6:02 pm

2 stops24h 24m

$845

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sun 4/13

6:10 pm-9:36 am

1 stop14h 26m

$74

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/29

2:20 pm-5:20 pm

Nonstop2h 00m

$139

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 5/5

6:00 am-1:41 pm

1 stop6h 41m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 13 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust 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.

Travel insights for flights from St. Louis to Charleston

Get recent, data-driven insights about flights from St. Louis to Charleston including ideal travel times, pricing trends, and more.

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 February 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 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 March 8, 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 at noon could potentially save you up to 19% 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 March 2, 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 March 8, 2025.
To help decide which airline to fly from St. Louis to Charleston, see what other customers have to say about Southwest, Alaska Airlines and Delta. 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.
Southwest
8.1
Very good
4,314 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,314 reviews
Southwest
8.1
Very good
4,314 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,716 reviews
Southwest
8.1
Very good
4,314 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,024 reviews
Southwest
8.1
Very good
4,314 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,649 reviews
Southwest
8.1
Very good
4,314 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,314 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 4 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 $149. Other airlines that can offer you cheap pricing are Southwest, from $277, and United Airlines, from $302. These flights start at 59% 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 $74. 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 $287. On average you can expect to pay $373. The most popular route, (Lambert-St Louis - Charleston), can usually be booked for $149.

  • 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
Santee
Mount Pleasant
Isle of Palms
Folly Beach
Summerville
Walterboro
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Charleston

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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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$188Average$359FlexibilityNo cancel feeOn-time71%
DeltaCheapest$232Average$372FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$307Average$407FlexibilityNo cancel feeOn-time63%
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