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$78+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — STL
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Charleston to Lambert-St Louis are usually found in September or August, booked 60 days in advance, depart on a Thursday or Tuesday and return on a Monday

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 October 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:33 pmCHS - STL
1 stop8h 00mMultiple Airlines
Thu 12/112:47 pmSTL - CHS
1 stop29h 07mMultiple Airlines
Deal found 10/27$230
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 11/216:50 amCHS - STL
1 stop27h 07mSpirit Airlines
Sun 11/2311:08 amSTL - CHS
1 stop9h 57mSpirit Airlines
Deal found 10/26$234
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Mon 12/89:23 pmCHS - STL
2 stops37h 51mMultiple Airlines
Sat 12/133:30 pmSTL - CHS
1 stop16h 07mMultiple Airlines
Deal found 10/26$260
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:02 amCHS - STL
2 stops31h 59mMultiple Airlines
Mon 11/172:12 pmSTL - CHS
1 stop17h 25mMultiple Airlines
Deal found 10/27$265
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/92:59 pmCHS - STL
1 stop19h 41mMultiple Airlines
Thu 11/137:02 pmSTL - CHS
2 stops35h 54mMultiple Airlines
Deal found 10/24$291
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:31 amCHS - STL
2 stops30h 58mMultiple Airlines
Mon 12/14:13 pmSTL - CHS
1 stop15h 24mMultiple Airlines
Deal found 10/27$315
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Fri 12/123:33 pmCHS - STL
1 stop8h 00mMultiple Airlines
Sun 12/142:47 pmSTL - CHS
1 stop29h 07mMultiple Airlines
Deal found 10/26$319
This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:05 pmCHS - STL
1 stop4h 45mSouthwest
Thu 12/2512:45 pmSTL - CHS
1 stop4h 55mSouthwest
Deal found 10/27$325
This Southwest deal was found by Cheapflights users on 10/26. 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.
Mon 12/86:00 amCHS - STL
2 stops7h 35mSouthwest
Sat 12/138:25 amSTL - CHS
2 stops9h 05mSouthwest
Deal found 10/26$335

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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$234
(Kiwi.com)

One-way from

$78
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$396
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. 9% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 27, 2025.
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

Mon 12/8

9:23 pm-10:14 am

2 stops37h 51m

Lambert-St Louis

Sat 12/13

3:30 pm-8:37 am

1 stop16h 07m

$260

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Fri 11/21

8:31 am-8:57 am

2 stops25h 26m

Lambert-St Louis

Sun 11/23

11:08 am-10:05 pm

1 stop9h 57m

$269

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sun 11/9

2:59 pm-9:40 am

1 stop19h 41m

Lambert-St Louis

Thu 11/13

7:02 pm-7:56 am

2 stops35h 54m

$291

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 11/24

8:31 am-2:29 pm

2 stops30h 58m

Lambert-St Louis

Mon 12/1

4:13 pm-8:37 am

1 stop15h 24m

$315

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 12/8

6:00 am-12:35 pm

2 stops7h 35m

Lambert-St Louis

Sat 12/13

8:25 am-6:30 pm

2 stops9h 05m

$335

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 11/13

2:59 pm-10:20 am

1 stop20h 21m

Lambert-St Louis

Mon 11/17

2:12 pm-8:37 am

1 stop17h 25m

$347

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 1/3

1:04 pm-5:30 pm

1 stop5h 26m

Lambert-St Louis

Wed 1/7

1:05 pm-9:06 pm

1 stop7h 01m

$350

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Fri 12/12

6:31 pm-11:42 pm

1 stop6h 11m

Lambert-St Louis

Mon 12/15

7:02 pm-11:50 pm

1 stop3h 48m

$350

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 2/19

5:40 pm-7:41 pm

3 stops27h 01m

$144

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 12/16

4:38 pm-10:45 pm

1 stop7h 07m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 18 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 October.
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

How far ahead should I book a flight from Charleston to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to St. Louis. Price data was last updated on October 24, 2025.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Charleston to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $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 October 27, 2025.

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.

What is the cheapest day to fly from Charleston to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Charleston to St. Louis. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Charleston to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 27, 2025.
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
4,236 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,996 reviews
Southwest
8.0
Very good
4,236 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,033 reviews
Southwest
8.0
Very good
4,236 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 25h 26m. 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 27% 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 $154 on Southwest. Other airlines that offer cheap prices include United Airlines from $154 and Delta from $154 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 $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
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$287Average$370FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$296Average$421FlexibilityNo cancel feeOn-time71%
DeltaCheapest$310Average$400FlexibilityNo cancel feeOn-timeN/A

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