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Cheap flights from Charleston to St. Louis from $89

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 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Charleston to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:21 pm - 12:27 am
CHS
-
STL
10h 06m
1 stop
Multiple Airlines Logo
3:49 pm - 8:38 am
STL
-
CHS
15h 49m
1 stop
$191Multiple Airlines
vie., feb. 20 - lun., feb. 23
Multiple Airlines Logo
3:21 pm - 12:27 am
CHS
-
STL
10h 06m
1 stop
Multiple Airlines Logo
8:22 pm - 4:05 pm
STL
-
CHS
18h 43m
2 stops
$195Multiple Airlines
vie., feb. 20 - lun., feb. 23
Multiple Airlines Logo
3:01 pm - 10:27 pm
CHS
-
STL
8h 26m
1 stop
Multiple Airlines Logo
8:20 pm - 5:40 pm
STL
-
CHS
20h 20m
2 stops
$211Multiple Airlines
mar., feb. 10 - vie., feb. 13
Multiple Airlines Logo
3:21 pm - 11:59 pm
CHS
-
STL
9h 38m
1 stop
Multiple Airlines Logo
3:49 pm - 8:38 am
STL
-
CHS
15h 49m
1 stop
$281Multiple Airlines
lun., feb. 23 - mié., feb. 25
Multiple Airlines Logo
3:21 pm - 12:27 am
CHS
-
STL
10h 06m
1 stop
Multiple Airlines Logo
1:09 pm - 5:40 pm
STL
-
CHS
27h 31m
2 stops
$284Multiple Airlines
vie., feb. 27 - vie., mar. 6
Southwest Logo
6:25 pm - 10:40 pm
CHS
-
STL
5h 15m
1 stop
Southwest Logo
6:05 am - 3:50 pm
STL
-
CHS
8h 45m
2 stops
$301Southwest
lun., feb. 23 - mié., feb. 25
American Airlines Logo
5:02 am - 8:28 am
CHS
-
STL
4h 26m
1 stop
American Airlines Logo
12:11 pm - 5:53 pm
STL
-
CHS
4h 42m
1 stop
$314American Airlines
mié., abr. 22 - dom., abr. 26
American Airlines Logo
6:10 am - 11:11 am
CHS
-
STL
6h 01m
1 stop
American Airlines Logo
10:20 am - 3:02 pm
STL
-
CHS
3h 42m
1 stop
$315American Airlines
jue., mar. 26 - mar., mar. 31
American Airlines Logo
5:10 am - 8:35 am
CHS
-
STL
4h 25m
1 stop
American Airlines Logo
9:35 am - 6:28 pm
STL
-
CHS
7h 53m
1 stop
$316American Airlines
sáb., mar. 28 - sáb., abr. 4
Southwest Logo
7:40 am - 3:15 pm
CHS
-
STL
8h 35m
2 stops
Southwest Logo
8:20 am - 3:00 pm
STL
-
CHS
5h 40m
1 stop
$319Southwest
mié., abr. 22 - dom., abr. 26

Southwest flights from Charleston to St. Louis

Our best Southwest deals on Charleston to St. Louis flight tickets
Southwest
Feb 23
CHS6:25 pmCharleston
5h 15m
1 stop
STL10:40 pmLambert-St Louis
Feb 25
STL6:05 amLambert-St Louis
8h 45m
2 stops
CHS3:50 pmCharleston
$301
Southwest
Apr 22
CHS7:40 amCharleston
8h 35m
2 stops
STL3:15 pmLambert-St Louis
Apr 26
STL8:20 amLambert-St Louis
5h 40m
1 stop
CHS3:00 pmCharleston
$319
Southwest
Apr 22
CHS3:40 pmCharleston
2h 20m
STL5:00 pmLambert-St Louis
Apr 26
STL4:40 pmLambert-St Louis
4h 30m
1 stop
CHS10:10 pmCharleston
$323

American Airlines flights from Charleston to St. Louis

Our best American Airlines deals on Charleston to St. Louis flight tickets
American Airlines
Apr 22
CHS5:02 amCharleston
4h 26m
1 stop
STL8:28 amLambert-St Louis
Apr 26
STL12:11 pmLambert-St Louis
4h 42m
1 stop
CHS5:53 pmCharleston
$314
American Airlines
Mar 26
CHS6:10 amCharleston
6h 01m
1 stop
STL11:11 amLambert-St Louis
Mar 31
STL10:20 amLambert-St Louis
3h 42m
1 stop
CHS3:02 pmCharleston
$315
American Airlines
Mar 28
CHS5:10 amCharleston
4h 25m
1 stop
STL8:35 amLambert-St Louis
Apr 4
STL9:35 amLambert-St Louis
7h 53m
1 stop
CHS6:28 pmCharleston
$316

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 enero 29, 2026.
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

vie. 2/20

3:21 pm-12:27 am

1 stop10h 06m

Lambert-St Louis

lun. 2/23

3:49 pm-8:38 am

1 stop15h 49m

$191

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

vie. 2/20

3:21 pm-12:27 am

1 stop10h 06m

Lambert-St Louis

lun. 2/23

8:22 pm-4:05 pm

2 stops18h 43m

$195

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mar. 2/10

3:01 pm-10:27 pm

1 stop8h 26m

Lambert-St Louis

vie. 2/13

8:20 pm-5:40 pm

2 stops20h 20m

$211

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

lun. 2/23

3:21 pm-11:59 pm

1 stop9h 38m

Lambert-St Louis

mié. 2/25

3:49 pm-8:38 am

1 stop15h 49m

$281

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

vie. 2/27

3:21 pm-12:27 am

1 stop10h 06m

Lambert-St Louis

vie. 3/6

1:09 pm-5:40 pm

2 stops27h 31m

$284

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

lun. 2/23

6:25 pm-10:40 pm

1 stop5h 15m

Lambert-St Louis

mié. 2/25

6:05 am-3:50 pm

2 stops8h 45m

$301

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mié. 4/22

5:02 am-8:28 am

1 stop4h 26m

Lambert-St Louis

dom. 4/26

12:11 pm-5:53 pm

1 stop4h 42m

$314

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

jue. 3/26

6:10 am-11:11 am

1 stop6h 01m

Lambert-St Louis

mar. 3/31

10:20 am-3:02 pm

1 stop3h 42m

$315

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

sáb. 3/28

5:10 am-8:35 am

1 stop4h 25m

Lambert-St Louis

sáb. 4/4

9:35 am-6:28 pm

1 stop7h 53m

$316

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mié. 4/22

7:40 am-3:15 pm

2 stops8h 35m

Lambert-St Louis

dom. 4/26

8:20 am-3:00 pm

1 stop5h 40m

$319

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, September 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 $308. The month of August is another great option to travel to St. Louis, with average flight prices from Charleston averaging around $342.

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. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $606 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

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

There is only 1 cabin class 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?

No. A direct flight is the cheapest option for a flight between Charleston to St. Louis.

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

As of January 2026, prices for Charleston to St. Louis flights are approximately 14% 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

$376

Fastest flight time

2h 05m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in St. Louis

1 airport
The best flight deal from Charleston to St. Louis found on momondo in the last 72 hours is $376
The fastest flight from Charleston to St. Louis takes 2h 05m
Direct flights go from Charleston to St. Louis on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport in St. Louis. From Charleston there are direct flights to 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
SouthwestPriceFrom $287Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
DeltaPriceFrom $310Free CancellationRating
7.9
8,128 reviews
Search Delta flights

Traveling to a place near St. Louis?

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