St. Louis

$109+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — STL
Apr 9 — Apr 161
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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 March 10, 2026.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:00 am
CHS
-
STL
1 stop4h 04m
American Airlines
Sat 8/83:33 pm
STL
-
CHS
1 stop7h 05m
American Airlines
Deal found 3/7$199
This Southwest deal was found by Cheapflights users on 3/9. 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 5/133:40 pm
CHS
-
STL
Nonstop2h 20m
Southwest
Mon 5/182:10 pm
STL
-
CHS
Nonstop1h 55m
Southwest
Deal found 3/9$231
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:55 pm
CHS
-
STL
1 stop4h 10m
Southwest
Mon 4/132:10 pm
STL
-
CHS
Nonstop1h 55m
Southwest
Deal found 3/7$255
This Southwest deal was found by Cheapflights users on 3/10. 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.
Tue 5/267:15 pm
CHS
-
STL
1 stop3h 45m
Southwest
Fri 5/294:00 pm
STL
-
CHS
1 stop4h 30m
Southwest
Deal found 3/10$264
This Southwest deal was found by Cheapflights users on 3/9. 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 4/25:20 am
CHS
-
STL
1 stop7h 10m
Southwest
Mon 4/64:55 pm
STL
-
CHS
1 stop3h 45m
Southwest
Deal found 3/9$265
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:17 am
CHS
-
STL
1 stop4h 56m
American Airlines
Sun 4/265:21 pm
STL
-
CHS
1 stop4h 47m
American Airlines
Deal found 3/6$268

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$199
(American Airlines)

One-way from

$109
(Southwest)

Popular in

November

Cheapest in

February

Average price

$392

Good round-trip deal

$344 or less
Provider with most accurate pricing for Charleston-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Charleston-Lambert-St Louis flights.
From Charleston to Lambert-St Louis
One-way flight from Charleston to Lambert-St Louis
Highest demand for flights based on searches. 16% potential increase in price ($71 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Charleston to Lambert-St Louis.

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 March 10, 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

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 3/31

6:15 am-2:30 pm

2 stops9h 15m

Lambert-St Louis

Fri 4/3

4:55 pm-9:40 pm

1 stop3h 45m

$293

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 5/13

2:25 pm-9:05 pm

1 stop7h 40m

Lambert-St Louis

Sun 5/17

5:25 am-4:00 pm

1 stop9h 35m

$293

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 5/26

7:15 pm-10:00 pm

1 stop3h 45m

Lambert-St Louis

Fri 5/29

1:45 pm-8:50 pm

2 stops6h 05m

$298

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 5/12

9:40 am-4:39 pm

1 stop7h 59m

Lambert-St Louis

Wed 5/13

7:45 am-1:51 pm

1 stop5h 06m

$302

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 4/9

6:00 am-12:22 pm

2 stops7h 22m

Lambert-St Louis

Sun 4/12

7:45 am-1:55 pm

1 stop5h 10m

$315
Quickest round-trip

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 5/28

2:15 pm-3:30 pm

Nonstop2h 15m

Lambert-St Louis

Thu 6/4

11:00 am-6:55 pm

1 stop6h 55m

$329

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 3/24

6:15 am-12:40 pm

2 stops7h 25m

Lambert-St Louis

Sat 3/28

5:45 pm-12:10 am

1 stop5h 25m

$336

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 4/22

11:22 am-9:13 pm

2 stops10h 51m

Lambert-St Louis

Sun 4/26

6:30 am-12:25 pm

1 stop4h 55m

$356
Cheapest one-way

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 5/6

12:41 pm-4:50 pm

1 stop5h 09m

$114
Quickest one-way

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 4/9

2:15 pm-3:30 pm

Nonstop2h 15m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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, June is the cheapest month in which you can book a flight from Charleston to St. Louis (average of $128). Flying from Charleston to St. Louis in January is currently the most expensive (average of $350). 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 March 10, 2026.

A simple way to save on the total cost of your ticket is to fly from Charleston to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

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 March 10, 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.

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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?

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

    Departing from Charleston to St. Louis will take you 7h 59m. 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 $246 on this airline. Additional options worth looking into are American Airlines and Southwest, starting at $274 and $287 round-trip. You may be able to fly from Charleston to St. Louis for 34% 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 American Airlines from $118 and Southwest from $143 one-way.

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

    While on average a flight from Charleston to St. Louis is generally $464, our data shows the cheapest flight currently is $344. When looking at the most popular route, (Charleston - Lambert-St Louis), you can expect to pay $237 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, June is the cheapest month in which you can book a flight from Charleston to St. Louis (average of $128). Flying from Charleston to St. Louis in January is currently the most expensive (average of $350). 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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$246Average$361FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$274Average$404FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$287Average$365FlexibilityNo cancel feeOn-time63%

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