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Cheap flights from St. Louis to Charleston from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Charleston departing on 10/18. 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 St. Louis to Charleston

Cheap round-trip flights

Delta Logo
10:00 am - 4:49 pmSTL-CHS
5h 49m1 stop
Delta Logo
5:55 pm - 8:39 pmCHS-STL
3h 44m1 stop
$197Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
7:30 am - 3:24 pmSTL-CHS
6h 54m1 stop
United Airlines Logo
6:00 am - 12:20 pmCHS-STL
7h 20m2 stops
$226United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
10:30 am - 6:54 pmSTL-CHS
7h 24m2 stops
United Airlines Logo
6:00 am - 12:20 pmCHS-STL
7h 20m2 stops
$231United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
Multiple Airlines Logo
5:11 pm - 8:37 amSTL-CHS
14h 26m1 stop
Multiple Airlines Logo
5:40 pm - 11:01 amCHS-STL
18h 21m1 stop
$244Multiple Airlines
Find Deal
Mon, Dec 15 - Wed, Dec 17
Multiple Airlines Logo
12:20 pm - 10:45 amSTL-CHS
21h 25m1 stop
Multiple Airlines Logo
2:59 pm - 8:45 amCHS-STL
18h 46m1 stop
$266Multiple Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Multiple Airlines Logo
7:15 pm - 9:06 amSTL-CHS
12h 51m1 stop
Multiple Airlines Logo
3:33 pm - 9:07 amCHS-STL
18h 34m2 stops
$268Multiple Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 13
Southwest Logo
8:55 am - 5:45 pmSTL-CHS
7h 50m2 stops
Southwest Logo
6:30 am - 9:25 amCHS-STL
3h 55m1 stop
$292Southwest
Find Deal
Tue, Oct 7 - Tue, Oct 14
Southwest Logo
8:45 am - 5:50 pmSTL-CHS
8h 05m2 stops
Southwest Logo
5:20 am - 9:50 amCHS-STL
5h 30m1 stop
$302Southwest
Find Deal
Wed, Oct 22 - Thu, Oct 23
American Airlines Logo
6:00 am - 1:23 pmSTL-CHS
6h 23m2 stops
American Airlines Logo
7:43 pm - 11:58 pmCHS-STL
5h 15m1 stop
$312American Airlines
Find Deal
Sat, Oct 18 - Mon, Oct 20
American Airlines Logo
1:21 pm - 7:04 pmSTL-CHS
4h 43m1 stop
American Airlines Logo
6:30 am - 9:38 amCHS-STL
4h 08m1 stop
$359American Airlines
Find Deal
Fri, Oct 3 - Wed, Oct 8

Delta flights from St. Louis to Charleston

Our best Delta deals on St. Louis to Charleston flight tickets
Delta
Mar 10
STL10:00 amLambert-St Louis
5h 49m
1 stop
CHS4:49 pmCharleston
Mar 11
CHS5:55 pmCharleston
3h 44m
1 stop
STL8:39 pmLambert-St Louis
$197
Find similar
Delta
Oct 7
STL3:59 pmLambert-St Louis
3h 52m
1 stop
CHS8:51 pmCharleston
Oct 14
CHS11:25 amCharleston
5h 30m
1 stop
STL3:55 pmLambert-St Louis
$287
Find similar
Delta
Oct 17
STL6:52 pmLambert-St Louis
4h 07m
1 stop
CHS11:59 pmCharleston
Oct 19
CHS5:35 amCharleston
3h 30m
1 stop
STL8:05 amLambert-St Louis
$295
Find similar

United Airlines flights from St. Louis to Charleston

Our best United Airlines deals on St. Louis to Charleston flight tickets
United Airlines
Mar 10
STL7:30 amLambert-St Louis
6h 54m
1 stop
CHS3:24 pmCharleston
Mar 11
CHS6:00 amCharleston
7h 20m
2 stops
STL12:20 pmLambert-St Louis
$226
Find similar
United Airlines
Mar 10
STL10:30 amLambert-St Louis
7h 24m
2 stops
CHS6:54 pmCharleston
Mar 11
CHS6:00 amCharleston
7h 20m
2 stops
STL12:20 pmLambert-St Louis
$231
Find similar
United Airlines
Oct 8
STL5:00 amLambert-St Louis
10h 40m
2 stops
CHS4:40 pmCharleston
Oct 11
CHS11:31 amCharleston
5h 13m
1 stop
STL3:44 pmLambert-St Louis
$328
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Charleston 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 September 19, 2025.
Use the filters below to find and compare flights from St. Louis to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 3/10

10:00 am-4:49 pm

1 stop5h 49m

Charleston

Wed 3/11

5:55 pm-8:39 pm

1 stop3h 44m

$197

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 3/10

7:30 am-3:24 pm

1 stop6h 54m

Charleston

Wed 3/11

6:00 am-12:20 pm

2 stops7h 20m

$226

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 3/10

10:30 am-6:54 pm

2 stops7h 24m

Charleston

Wed 3/11

6:00 am-12:20 pm

2 stops7h 20m

$231

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 12/15

5:11 pm-8:37 am

1 stop14h 26m

Charleston

Wed 12/17

5:40 pm-11:01 am

1 stop18h 21m

$244

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 12/4

12:20 pm-10:45 am

1 stop21h 25m

Charleston

Sun 12/7

2:59 pm-8:45 am

1 stop18h 46m

$266

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 10/11

7:15 pm-9:06 am

1 stop12h 51m

Charleston

Mon 10/13

3:33 pm-9:07 am

2 stops18h 34m

$268

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 10/7

8:55 am-5:45 pm

2 stops7h 50m

Charleston

Tue 10/14

6:30 am-9:25 am

1 stop3h 55m

$292

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 10/22

8:45 am-5:50 pm

2 stops8h 05m

Charleston

Thu 10/23

5:20 am-9:50 am

1 stop5h 30m

$302

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 10/18

6:00 am-1:23 pm

2 stops6h 23m

Charleston

Mon 10/20

7:43 pm-11:58 pm

1 stop5h 15m

$312

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 10/3

1:21 pm-7:04 pm

1 stop4h 43m

Charleston

Wed 10/8

6:30 am-9:38 am

1 stop4h 08m

$359

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 Charleston from

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

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 Charleston?

The cheapest month to fly to Charleston from St. Louis is in August. Flight prices, which tend to average around $320, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Charleston, with average flight prices from St. Louis averaging around $371.

What is the cheapest day to depart on your flight to Charleston?

The cheapest day to depart from St. Louis to Charleston is on a Monday. Travelers who choose to depart for Charleston on a Monday will often find tickets for as low as $353. The most expensive day to fly to Charleston is Thursday, with ticket prices averaging around $544.

What is the cheapest time of day to depart on your flight to Charleston?

The cheapest time of day to fly to Charleston is in the evening when flights can be purchased for as low as $387. In the afternoon is when there is more demand to fly to Charleston, so prices are often more expensive at around $456 per ticket.

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

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

How far in advance should I book a flight to Charleston?

You are more likely to see cheaper flights to Charleston from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from St. Louis for as low as $328 on momondo.

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

There is only 1 cabin class available to choose from on Lambert-St Louis to Charleston 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 St. Louis to Charleston flights?

You could potentially save up to 31% on your flight if you consider stops on a St. Louis to Charleston flight.

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

As of September 2025, prices for St. Louis to Charleston flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Charleston

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

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

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

Best Price Found

$389

Fastest flight time

1h 50m

Direct flights

Mon and Sat

Airports in Charleston

1 airport
The best flight deal from St. Louis to Charleston found on momondo in the last 72 hours is $389
The fastest flight from St. Louis to Charleston takes 1h 50m
Direct flights go from St. Louis to Charleston on Monday and Saturday. There are no airlines offering direct flights.
There is 1 airport near Charleston: Charleston (CHS)
Search flight deals

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

    There are 702.5 mi between Lambert-St Louis and Charleston. A reasonable flight in good conditions will take 3h 52m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Charleston Airport.

  • What documentation or ID do you need to fly to Charleston Airport?

    The travel and health documents required for your trip to Charleston Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Charleston Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from St. Louis to Charleston

Compare and see reviews for airlines that fly from St. Louis to Charleston with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $208Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $244Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Southwest Flights From St. Louis to Charleston

    Southwest is one of the most popular airlines flying from St. Louis to Charleston, operating 3 flights/week on average for this route. A good Southwest flight deal for St. Louis to Charleston starts from $286 round-trip, up to an average price of $406. Our users have rated Southwest at 8.0/10.

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Folly Beach
Isle of Palms
North Charleston
Kiawah Island
Summerville
Mount Pleasant
Edisto Island
Walterboro
Santee
Goose Creek
Edisto Beach
Seabrook Island

Why use momondo?

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

It is quick and easy to find St. Louis to Charleston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Charleston that suits you.

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

Yes. momondo allows you to filter the results for St. Louis to Charleston flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Charleston from St. Louis.

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

Yes momondo offers price alerts on flights to Charleston from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Charleston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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