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St. Louis

$99+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — STL
fev 25 — mar 41
qua 2/25
qua 3/4
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 janeiro 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/203:21 pm
CHS
-
STL
1 stop10h 06m
Multiple Airlines
seg 2/233:49 pm
STL
-
CHS
1 stop15h 49m
Multiple Airlines
Deal found 1/25$196
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/103:01 pm
CHS
-
STL
1 stop8h 26m
Multiple Airlines
sáb 2/148:17 pm
STL
-
CHS
2 stops20h 23m
Multiple Airlines
Deal found 1/25$207
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/69:29 pm
CHS
-
STL
2 stops27h 04m
Multiple Airlines
seg 2/95:42 pm
STL
-
CHS
1 stop13h 56m
Multiple Airlines
Deal found 1/26$218
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 2/33:01 pm
CHS
-
STL
1 stop9h 32m
Multiple Airlines
seg 2/95:42 pm
STL
-
CHS
1 stop13h 56m
Multiple Airlines
Deal found 1/26$226
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/275:45 pm
CHS
-
STL
2 stops25h 01m
Multiple Airlines
seg 3/23:49 pm
STL
-
CHS
1 stop15h 49m
Multiple Airlines
Deal found 1/25$255
This American Airlines deal was found by Cheapflights users on 1/25. 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.
sáb 4/187:15 am
CHS
-
STL
1 stop7h 44m
American Airlines
sáb 4/256:27 am
STL
-
CHS
1 stop8h 06m
American Airlines
Deal found 1/25$259
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/203:21 pm
CHS
-
STL
1 stop10h 06m
Multiple Airlines
dom 2/223:49 pm
STL
-
CHS
2 stops24h 51m
Multiple Airlines
Deal found 1/26$275
This American Airlines deal was found by Cheapflights users on 1/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/2212:27 pm
CHS
-
STL
1 stop4h 49m
American Airlines
sáb 4/2512:11 pm
STL
-
CHS
1 stop4h 42m
American Airlines
Deal found 1/24$287

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 janeiro 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$196
(Kiwi.com)

One-way from

$99
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$361

Good round-trip deal

$376 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. 12% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip 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 janeiro 26, 2026.
Use the filters below to find and compare flights from Charleston to St. Louis that are best for you.

Fly from

Charleston

Fly to

St. Louis

Route

Depart

Return

Price

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

sex 2/6

9:29 pm-11:33 pm

2 stops27h 04m

Lambert-St Louis

seg 2/9

5:42 pm-8:38 am

1 stop13h 56m

$218

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

sex 2/27

3:21 pm-12:27 am

1 stop10h 06m

Lambert-St Louis

seg 3/2

3:49 pm-8:38 am

1 stop15h 49m

$273

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

sex 3/6

3:21 pm-11:19 pm

1 stop8h 58m

Lambert-St Louis

dom 3/8

7:52 am-5:40 pm

2 stops32h 48m

$313

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

qui 3/26

4:51 pm-9:06 pm

1 stop5h 15m

Lambert-St Louis

ter 3/31

7:03 am-1:21 pm

1 stop5h 18m

$315

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

sáb 2/21

6:00 am-10:58 am

1 stop5h 58m

Lambert-St Louis

ter 2/24

12:15 pm-7:00 pm

1 stop5h 45m

$315

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

qua 4/22

7:40 am-3:15 pm

2 stops8h 35m

Lambert-St Louis

sáb 4/25

2:25 pm-7:10 pm

1 stop3h 45m

$320

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

qua 4/22

3:40 pm-5:00 pm

Nonstop2h 20m

Lambert-St Louis

dom 4/26

8:20 am-3:00 pm

1 stop5h 40m

$323

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

qui 4/23

2:15 pm-3:30 pm

Nonstop2h 15m

Lambert-St Louis

dom 4/26

8:20 am-3:00 pm

1 stop5h 40m

$323

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

ter 2/10

12:29 pm-6:16 pm

2 stops6h 47m

Lambert-St Louis

sáb 2/14

10:43 am-6:22 pm

2 stops6h 39m

$332

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

qua 2/25

5:00 pm-11:59 pm

2 stops31h 59m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 20 results
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 January.
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 April is currently the most expensive (average of $327). 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 janeiro 26, 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 35% on your trip compared to booking a flight at noon.

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

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 janeiro 26, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and American 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
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 9 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 5h 15m. Airlines will cover a distance of 705 mi.

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

    Our cheapest airline available from Charleston to St. Louis is Southwest. Our recent data shows that you can find tickets from as low as $287 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $296 and $310 round-trip. You may be able to fly from Charleston to St. Louis for 29% 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 $113 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 $378, our data shows the cheapest flight currently is $357. When looking at the most popular route, (Charleston - Lambert-St Louis), you can expect to pay $196 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 April is currently the most expensive (average of $327). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Charleston to St. Louis

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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 janeiro 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$287Average$373FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$296Average$451FlexibilityNo cancel feeOn-time71%
DeltaCheapest$310Average$394FlexibilityNo cancel feeOn-timeN/A

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