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$97+ Cheap flights from Charleston to St. Louis (CHS - STL)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — STL
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Charleston to St. Louis

Cheapest flights from Charleston to St. Louis
Explore the most affordable flight options available from Charleston to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Southwest deal was found by Cheapflights users on 7/24. 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.
Thu 8/205:20 pm
CHS
-
STL
Nonstop2h 05m
Southwest
Thu 9/33:35 pm
STL
-
CHS
Nonstop2h 00m
Southwest
Deal found 7/24$217
This Southwest deal was found by Cheapflights users on 7/24. 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.
Wed 10/78:10 am
CHS
-
STL
1 stop4h 25m
Southwest
Mon 10/124:30 pm
STL
-
CHS
Nonstop1h 55m
Southwest
Deal found 7/24$218
This Southwest deal was found by Cheapflights users on 7/24. 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.
Thu 8/206:30 pm
CHS
-
STL
1 stop4h 35m
Southwest
Mon 8/313:35 pm
STL
-
CHS
Nonstop2h 00m
Southwest
Deal found 7/24$222
This Delta deal was found by Cheapflights users on 7/27. 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 10/86:30 am
CHS
-
STL
1 stop3h 39m
Delta
Mon 10/125:35 pm
STL
-
CHS
1 stop5h 24m
Delta
Deal found 7/27$227
This Southwest deal was found by Cheapflights users on 7/26. 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 9/18:10 am
CHS
-
STL
1 stop7h 40m
Southwest
Sat 9/125:15 am
STL
-
CHS
2 stops9h 40m
Southwest
Deal found 7/26$232
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 8/138:40 am
CHS
-
STL
2 stops7h 30m
Southwest
Mon 8/172:20 pm
STL
-
CHS
1 stop6h 05m
Southwest
Deal found 7/23$256
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 8/244:08 pm
CHS
-
STL
1 stop6h 20m
American Airlines
Sun 8/307:35 am
STL
-
CHS
1 stop6h 02m
American Airlines
Deal found 7/26$263

Find flight deals from Charleston to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to St. Louis (STL). 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Southwest)

One-way from

$97
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$336

Good round-trip deal

$332 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Charleston-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Lambert-St Louis flights.
Search Deals
From Charleston to Lambert-St Louis
Search Deals
One-way flight from Charleston to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Charleston to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Charleston to Lambert-St Louis.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to St. Louis 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 27, 2026.
Use the filters below to find and compare flights from Charleston to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 8/24

5:20 pm-6:25 pm

Nonstop2h 05m

Lambert-St Louis

Thu 8/27

3:35 pm-6:35 pm

Nonstop2h 00m

$217

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 8/24

6:45 pm-11:58 pm

1 stop6h 13m

Lambert-St Louis

Thu 8/27

11:00 am-6:52 pm

1 stop6h 52m

$227

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 10/8

6:30 am-9:09 am

1 stop3h 39m

Lambert-St Louis

Mon 10/12

5:35 pm-11:59 pm

1 stop5h 24m

$227

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 8/24

11:40 am-3:38 pm

1 stop4h 58m

Lambert-St Louis

Thu 8/27

6:00 am-3:10 pm

2 stops8h 10m

$232

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 9/1

8:10 am-2:50 pm

1 stop7h 40m

Lambert-St Louis

Sat 9/12

5:15 am-3:55 pm

2 stops9h 40m

$232

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 8/24

4:05 pm-11:10 pm

1 stop8h 05m

Lambert-St Louis

Tue 9/1

10:45 am-7:45 pm

2 stops8h 00m

$232

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sun 8/23

6:15 am-11:46 am

1 stop6h 31m

Lambert-St Louis

Sun 8/30

7:00 am-11:54 am

1 stop3h 54m

$299

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 9/23

10:19 am-9:31 pm

2 stops12h 12m

Lambert-St Louis

Sat 9/26

9:04 am-6:02 pm

1 stop7h 58m

$322
Cheapest one-way

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 9/19

6:00 am-9:40 am

2 stops28h 40m

$102
Quickest one-way

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 9/21

5:20 pm-6:25 pm

Nonstop2h 05m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Charleston to St. Louis

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 Charleston to St. Louis in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Charleston-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-St. Louis 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 Charleston-St. Louis 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 Charleston to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Charleston 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 Charleston to St. Louis

What is the cheapest month to book a flight from Charleston to St. Louis?

Currently, February is the cheapest month in which you can book a flight from Charleston to St. Louis (average of $276). Flying from Charleston to St. Louis in November is currently the most expensive (average of $495). 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 CHS to STL?

Find hourly flight availability from Charleston to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

A simple way to save on the total cost of your ticket is to fly from Charleston to St. Louis in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

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

Airfare is below average for this route at the moment.

Charleston to St. Louis flights typically cost between $311 and $394 in August.
The cheapest round-trip price found within the last 5 days was $217 on Southwest (Aug 20-Sep 3).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated July 27, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from Charleston to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,229 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,229 reviews
Southwest
8.0
Very good
4,229 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,483 reviews
Southwest
8.0
Very good
4,229 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,837 reviews
Southwest
8.0
Very good
4,229 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Charleston to St. Louis. 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 Charleston to St. Louis flight route?

    Flights from Charleston to Lambert-St Louis have been viewed 4 times in the past calendar month.

  • How long is the flight from Charleston to St. Louis?

    Departing from Charleston to St. Louis will take you 2h 05m. Airlines will cover a distance of 705 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Charleston to St. Louis round-trip?

    Our cheapest airline available from Charleston to St. Louis is Delta. Our recent data shows that you can find tickets from as low as $206 on this airline. Additional options worth looking into are Southwest and American Airlines, starting at $228 and $274 round-trip. You may be able to fly from Charleston to St. Louis for 46% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Charleston to St. Louis one-way?

    One-way options have recently been found by users for as low as $98 on Delta. Other airlines that offer cheap prices include Southwest from $122 and American Airlines from $132 one-way.

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

    While on average a flight from Charleston to St. Louis is generally $323, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Charleston - Lambert-St Louis), you can expect to pay $207 for that flight.

  • Can I find deals for flights from Charleston to St. Louis that include hotel bookings?

    Yes. In addition to deals on Charleston to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to St. Louis.

  • Can I find deals for business class flights from Charleston to St. Louis?

    Yes. Cheapflights offers flight deals from Charleston to St. Louis 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 Charleston to St. Louis?

    Currently, February is the cheapest month in which you can book a flight from Charleston to St. Louis (average of $276). Flying from Charleston to St. Louis in November is currently the most expensive (average of $495). 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
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Charleston to St. Louis

Discover the top 3 airlines that operate flights from Charleston to St. Louis. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$206Average$351FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$228Average$394FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$274Average$351FlexibilityNo cancel feeOn-time71%

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