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$79+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — STL
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap 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 January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$230
(Kiwi.com)

One-way from

$79
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$349
Provider with most accurate pricing for Charleston-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Charleston-Lambert-St Louis flights.
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From Charleston to Lambert-St Louis
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One-way flight from Charleston to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/63:21 pm
CHS
-
STL
1 stop9h 12m
Multiple Airlines
Sun 2/88:59 am
STL
-
CHS
2 stops31h 40m
Multiple Airlines
Deal found 1/11$230
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:35 pm
CHS
-
STL
2 stops14h 29m
Multiple Airlines
Mon 2/95:42 pm
STL
-
CHS
1 stop13h 56m
Multiple Airlines
Deal found 1/11$250
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:05 pm
CHS
-
STL
2 stops14h 46m
Multiple Airlines
Mon 2/25:42 pm
STL
-
CHS
1 stop13h 56m
Multiple Airlines
Deal found 1/12$265
This American Airlines deal was found by Cheapflights users on 1/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:06 am
CHS
-
STL
1 stop6h 03m
American Airlines
Sat 4/256:00 am
STL
-
CHS
1 stop4h 44m
American Airlines
Deal found 1/11$303
This American Airlines deal was found by Cheapflights users on 1/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:02 am
CHS
-
STL
1 stop4h 26m
American Airlines
Mon 5/186:27 am
STL
-
CHS
1 stop8h 06m
American Airlines
Deal found 1/10$319
This Southwest deal was found by Cheapflights users on 1/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:40 pm
CHS
-
STL
Nonstop2h 30m
Southwest
Mon 3/97:35 am
STL
-
CHS
1 stop3h 30m
Southwest
Deal found 1/12$337
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/83:01 pm
CHS
-
STL
1 stop19h 20m
Multiple Airlines
Tue 2/103:49 pm
STL
-
CHS
2 stops24h 26m
Multiple Airlines
Deal found 1/11$341
This Southwest deal was found by Cheapflights users on 1/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:55 am
CHS
-
STL
1 stop4h 20m
Southwest
Thu 2/52:35 pm
STL
-
CHS
1 stop6h 05m
Southwest
Deal found 1/12$347

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 January 12, 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

Thu 1/29

5:05 pm-6:51 am

2 stops14h 46m

Lambert-St Louis

Mon 2/2

5:42 pm-8:38 am

1 stop13h 56m

$265

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 3/7

12:40 pm-2:10 pm

Nonstop2h 30m

Lambert-St Louis

Mon 3/9

7:35 am-12:05 pm

1 stop3h 30m

$337

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 4/22

4:20 pm-11:04 pm

1 stop7h 44m

Lambert-St Louis

Sat 4/25

6:53 pm-11:59 pm

1 stop4h 06m

$347

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 2/4

6:55 am-10:15 am

1 stop4h 20m

Lambert-St Louis

Thu 2/5

2:35 pm-9:40 pm

1 stop6h 05m

$347

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 2/10

2:37 pm-6:34 pm

1 stop4h 57m

Lambert-St Louis

Thu 2/12

6:00 am-2:19 pm

1 stop7h 19m

$347

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 2/7

6:45 am-1:50 pm

2 stops8h 05m

Lambert-St Louis

Mon 2/9

9:50 am-6:45 pm

2 stops7h 55m

$358

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 6/18

6:44 am-12:00 pm

1 stop6h 16m

Lambert-St Louis

Tue 6/23

9:21 am-2:37 pm

1 stop4h 16m

$363

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 5/16

4:40 pm-6:00 pm

Nonstop2h 20m

Lambert-St Louis

Mon 5/18

4:00 pm-9:30 pm

1 stop4h 30m

$366

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 2/9

5:05 pm-10:27 pm

2 stops30h 22m

$101

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 2/10

3:01 pm-10:27 pm

1 stop8h 26m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 19 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 Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 February is currently the most expensive (average of $342). 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 January 12, 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 36% 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 January 12, 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
4,256 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

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
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

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
8,039 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

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
11,114 reviews
Southwest
8.0
Very good
4,256 reviews

Overall

8.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

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 2h 30m. 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 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 $305 round-trip. You may be able to fly from Charleston to St. Louis for 30% 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.

  • 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 February is currently the most expensive (average of $342). 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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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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$287Average$373FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$296Average$446FlexibilityNo cancel feeOn-time71%
DeltaCheapest$306Average$394FlexibilityNo cancel feeOn-timeN/A

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