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Cheap flights from Charleston to St. Louis from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to St. Louis departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Charleston to St. Louis

Cheap round-trip flights

American Airlines Logo
12:00 pm - 8:32 pmCHS-STL
9h 32m1 stop
American Airlines Logo
6:10 am - 5:44 pmSTL-CHS
10h 34m1 stop
$219American Airlines
Find Deal
Wed, Sep 10 - Tue, Sep 16
American Airlines Logo
7:30 am - 4:18 pmCHS-STL
9h 48m1 stop
American Airlines Logo
1:52 pm - 9:45 pmSTL-CHS
6h 53m1 stop
$231American Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
American Airlines Logo
2:59 pm - 8:32 pmCHS-STL
6h 33m2 stops
American Airlines Logo
7:23 am - 5:44 pmSTL-CHS
9h 21m1 stop
$236American Airlines
Find Deal
Tue, Sep 23 - Sat, Sep 27
Southwest Logo
11:25 am - 12:30 pmCHS-STL
2h 05mnonstop
Southwest Logo
7:50 am - 10:45 amSTL-CHS
1h 55mnonstop
$237Southwest
Find Deal
Thu, Sep 25 - Mon, Sep 29
Southwest Logo
7:35 pm - 10:35 pmCHS-STL
4h 00m1 stop
Southwest Logo
7:50 am - 10:45 amSTL-CHS
1h 55mnonstop
$240Southwest
Find Deal
Thu, Sep 25 - Mon, Sep 29
Delta Logo
11:29 am - 4:37 pmCHS-STL
6h 08m1 stop
Delta Logo
5:11 pm - 11:48 pmSTL-CHS
5h 37m1 stop
$243Delta
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Thu, Sep 25 - Mon, Sep 29
Delta Logo
5:35 pm - 10:02 pmCHS-STL
5h 27m1 stop
Delta Logo
6:00 am - 2:25 pmSTL-CHS
7h 25m1 stop
$275Delta
Find Deal
Fri, Aug 29 - Mon, Sep 1
Logo
8:17 pm - 8:50 amCHS-STL
37h 33m3 stops
Logo
10:37 am - 7:12 pmSTL-CHS
7h 35m1 stop
$311
Find Deal
Mon, Aug 25 - Thu, Aug 28
Frontier Logo
3:31 pm - 10:07 amCHS-STL
19h 36m2 stops
Frontier Logo
11:02 am - 2:36 pmSTL-CHS
26h 34m2 stops
$314Frontier
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Thu, Oct 30 - Sun, Nov 2
Logo
8:17 pm - 6:41 pmCHS-STL
23h 24m3 stops
Logo
10:37 am - 7:12 pmSTL-CHS
7h 35m1 stop
$335
Find Deal
Sun, Aug 17 - Sun, Aug 24

Spirit Airlines flights from Charleston to St. Louis

Our best Spirit Airlines deals on Charleston to St. Louis flight tickets
Spirit Airlines
Aug 17
CHS8:17 pmCharleston
18h 15m
2 stops
STL1:32 pmLambert-St Louis
Aug 24
STL10:37 amLambert-St Louis
7h 35m
1 stop
CHS7:12 pmCharleston
$320
Find similar
Spirit Airlines
Aug 17
CHS8:17 pmCharleston
18h 15m
2 stops
STL1:32 pmLambert-St Louis
Aug 24
STL2:30 pmLambert-St Louis
27h 42m
3 stops
CHS7:12 pmCharleston
$418
Find similar
Spirit Airlines
Aug 8
CHS9:38 amCharleston
25h 02m
3 stops
STL9:40 amLambert-St Louis
Aug 15
STL2:30 pmLambert-St Louis
27h 16m
3 stops
CHS6:46 pmCharleston
$1,021
Find similar

American Airlines flights from Charleston to St. Louis

Our best American Airlines deals on Charleston to St. Louis flight tickets
American Airlines
Sep 10
CHS12:00 pmCharleston
9h 32m
1 stop
STL8:32 pmLambert-St Louis
Sep 16
STL6:10 amLambert-St Louis
10h 34m
1 stop
CHS5:44 pmCharleston
$219
Find similar
American Airlines
Nov 15
CHS7:30 amCharleston
9h 48m
1 stop
STL4:18 pmLambert-St Louis
Nov 17
STL1:52 pmLambert-St Louis
6h 53m
1 stop
CHS9:45 pmCharleston
$231
Find similar
American Airlines
Sep 23
CHS2:59 pmCharleston
6h 33m
2 stops
STL8:32 pmLambert-St Louis
Sep 27
STL7:23 amLambert-St Louis
9h 21m
1 stop
CHS5:44 pmCharleston
$236
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 7, 2025.
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

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 9/10

12:00 pm-8:32 pm

1 stop9h 32m

Lambert-St Louis

Tue 9/16

6:10 am-5:44 pm

1 stop10h 34m

$219

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 11/15

7:30 am-4:18 pm

1 stop9h 48m

Lambert-St Louis

Mon 11/17

1:52 pm-9:45 pm

1 stop6h 53m

$231

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 9/23

2:59 pm-8:32 pm

2 stops6h 33m

Lambert-St Louis

Sat 9/27

7:23 am-5:44 pm

1 stop9h 21m

$236

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 9/25

11:25 am-12:30 pm

Nonstop2h 05m

Lambert-St Louis

Mon 9/29

7:50 am-10:45 am

Nonstop1h 55m

$237

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 9/25

7:35 pm-10:35 pm

1 stop4h 00m

Lambert-St Louis

Mon 9/29

7:50 am-10:45 am

Nonstop1h 55m

$240

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 9/25

11:29 am-4:37 pm

1 stop6h 08m

Lambert-St Louis

Mon 9/29

5:11 pm-11:48 pm

1 stop5h 37m

$243

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Fri 8/29

5:35 pm-10:02 pm

1 stop5h 27m

Lambert-St Louis

Mon 9/1

6:00 am-2:25 pm

1 stop7h 25m

$275

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Mon 8/25

8:17 pm-8:50 am

3 stops37h 33m

Lambert-St Louis

Thu 8/28

10:37 am-7:12 pm

1 stop7h 35m

$311

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 10/30

3:31 pm-10:07 am

2 stops19h 36m

Lambert-St Louis

Sun 11/2

11:02 am-2:36 pm

2 stops26h 34m

$314

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sun 8/17

8:17 pm-6:41 pm

3 stops23h 24m

Lambert-St Louis

Sun 8/24

10:37 am-7:12 pm

1 stop7h 35m

$335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Charleston to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, August is the cheapest month to fly from Charleston to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $324. The month of October is another great option to travel to St. Louis, with average flight prices from Charleston averaging around $355.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $336. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $646. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Charleston in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $388 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $458 per ticket.

What is the cheapest Charleston to Lambert-St Louis flight route?

Fly from Charleston to Lambert-St Louis for the best Charleston - Lambert-St Louis flight prices

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Charleston for as low as $330 on momondo.

What cabin class options are available on Charleston to Lambert-St Louis flights?

There are 1 cabin classes available to choose from on Charleston to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Charleston to St. Louis flights?

You could potentially save up to 44% on your flight if you consider stops on a Charleston to St. Louis flight.

How have Charleston to St. Louis flight prices changed over time?

As of August 2025, prices for Charleston to St. Louis flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Charleston to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Charleston to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Charleston to St. Louis (CHS to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charleston to St. Louis

Best Price Found

$115

Fastest flight time

2h 05m

Direct flights

Mon, Tue, Fri and Sat

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Charleston in the past 72 hours is $115. The best round-trip flight deal from Charleston to St. Louis found on momondo in the last 72 hours is $219.
The fastest flight from Charleston to St. Louis takes 2h 05m
Direct flights go from Charleston to St. Louis on Monday, Tuesday, Friday and Saturday. The only airline offering direct flights is Southwest.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • How far is Charleston to Lambert-St Louis by plane?

    A flight from Charleston to Lambert-St Louis will travel around 702.5 mi. A reasonable flight in good conditions will take 2h 05m.

  • When did momondo last update prices for flights from Charleston Airport to Lambert-St Louis Airport?

    Prices for flights from Charleston Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Charleston Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Charleston Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Charleston to St. Louis?

  • What is the most popular airline from Charleston to St. Louis?

Best airlines flying from Charleston to St. Louis

Compare and see reviews for airlines that fly from Charleston to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $172Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
DeltaPriceFrom $316Free CancellationRating
8.0
7,985 reviews
Search Delta flights

  • Southwest Flights From Charleston to St. Louis

    Southwest flight deals from Charleston to St. Louis start from $287 round-trip. Over the 6 Southwest flights for this route in a normal week, average airfare is usually $358 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
Fenton
O'Fallon
Collinsville
Alton
Wentzville
St. Peters
Farmington
Festus
Glencoe
Eureka
Edwardsville
Clayton
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Charleston to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Charleston to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Charleston to St. Louis with flexible booking policies on momondo?

All flight searches from Charleston to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Charleston to St. Louis?

Once you have performed a search for Charleston to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Charleston to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Charleston to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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