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$95+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — STL
May 4 — May 111
Sun 5/4
Sun 5/11
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 July or August, booked 80 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$227
(American Airlines)

One-way from

$95
(American Airlines)

Popular in

February

Cheapest in

July

Average price

$391

Good round-trip deal

$400 or less

Good one-way deal

$164 or less
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
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Highest demand for flights based on searches. 15% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Charleston to Lambert-St Louis.
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Price to beat on a one-way flight from Charleston to Lambert-St Louis.
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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 April 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 6/268:30 pmCHS - STL
1 stop4h 29mAmerican Airlines
Fri 7/46:00 amSTL - CHS
1 stop6h 56mAmerican Airlines
Deal found 4/29$227
This Southwest deal was found by Cheapflights users on 4/29. 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 6/95:00 pmCHS - STL
Nonstop2h 10mSouthwest
Wed 6/1112:15 pmSTL - CHS
1 stop4h 50mSouthwest
Deal found 4/29$281
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/911:39 amCHS - STL
1 stop4h 51mUnited Airlines
Wed 6/116:30 amSTL - CHS
2 stops7h 40mUnited Airlines
Deal found 4/29$316
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/271:10 pmCHS - STL
1 stop4h 54mSpirit Airlines
Sun 7/66:12 pmSTL - CHS
1 stop16h 53mSpirit Airlines
Deal found 4/29$355
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 5/1711:00 amCHS - STL
1 stop8h 00mDelta
Sun 5/186:00 amSTL - CHS
1 stop4h 17mDelta
Deal found 4/29$417
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:15 pmCHS - STL
1 stop23h 00mMultiple Airlines
Fri 5/169:50 amSTL - CHS
3 stops35h 19mMultiple Airlines
Deal found 4/29$443

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 April 29, 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

Thu 6/26

8:30 pm-11:59 pm

1 stop4h 29m

Lambert-St Louis

Fri 7/4

6:00 am-1:56 pm

1 stop6h 56m

$227

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 6/9

5:00 pm-6:10 pm

Nonstop2h 10m

Lambert-St Louis

Wed 6/11

12:15 pm-6:05 pm

1 stop4h 50m

$281

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 6/9

11:39 am-3:30 pm

1 stop4h 51m

Lambert-St Louis

Wed 6/11

6:30 am-3:10 pm

2 stops7h 40m

$316

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Fri 6/27

1:10 pm-5:04 pm

1 stop4h 54m

Lambert-St Louis

Sun 7/6

6:12 pm-12:05 pm

1 stop16h 53m

$355

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 5/17

11:00 am-6:00 pm

1 stop8h 00m

Lambert-St Louis

Sun 5/18

6:00 am-11:17 am

1 stop4h 17m

$417

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 5/31

5:02 pm-10:19 pm

1 stop6h 17m

$95

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 6/12

6:16 pm-9:34 pm

1 stop4h 18m

$105

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 6/30

1:10 pm-6:18 pm

1 stop6h 08m

$117

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 6/3

5:55 pm-7:15 pm

Nonstop2h 20m

$128

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 6/4

6:00 am-3:30 pm

2 stops10h 30m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 12 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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 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 April 25, 2025.

Booking 80 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, August is the cheapest month in which you can book a flight from Charleston to St. Louis (average of $311). Flying from Charleston to St. Louis in March is currently the most expensive (average of $356). 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 April 29, 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 46% on your trip compared to booking a flight in the morning.

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 December 16, 2024.

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

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 29, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 3 times in the past calendar month.

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

    Our cheapest airline available from Charleston to St. Louis is American Airlines. Our recent data shows that you can find tickets from as low as $227 on this airline. Additional options worth looking into are Southwest and United Airlines, starting at $281 and $316 round-trip. You may be able to fly from Charleston to St. Louis for 38% 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 $95 on American Airlines. Other airlines that offer cheap prices include Delta from $105 and Spirit Airlines from $117 one-way.

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

    While on average a flight from Charleston to St. Louis is generally $374, our data shows the cheapest flight currently is $143. When looking at the most popular route, (Charleston - Lambert-St Louis), you can expect to pay $209 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, August is the cheapest month in which you can book a flight from Charleston to St. Louis (average of $311). Flying from Charleston to St. Louis in March is currently the most expensive (average of $356). 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 Charleston?

Book flights to Charleston if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
O'Fallon

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Top 4 airlines flying from Charleston to St. Louis

Discover the top 4 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$149Average$201FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$172Average$357FlexibilityNo cancel feeOn-time71%
DeltaCheapest$238Average$365FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$325Average$359FlexibilityNo cancel feeOn-time63%

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