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Cheap flights from St. Louis to Charleston from $95

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 9/7. 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

American Airlines Logo
7:23 am - 1:17 pmSTL-CHS
4h 54m1 stop
American Airlines Logo
5:33 pm - 11:05 pmCHS-STL
6h 32m1 stop
$227American Airlines
Find Deal
Fri, Aug 22 - Tue, Aug 26
American Airlines Logo
7:01 am - 4:36 pmSTL-CHS
8h 35m2 stops
American Airlines Logo
4:22 pm - 9:10 pmCHS-STL
5h 48m1 stop
$232American Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 10
Delta Logo
6:00 am - 2:12 pmSTL-CHS
7h 12m1 stop
Delta Logo
7:59 pm - 11:41 pmCHS-STL
4h 42m1 stop
$243Delta
Find Deal
Sat, Oct 18 - Mon, Oct 20
Southwest Logo
8:20 am - 4:40 pmSTL-CHS
7h 20m2 stops
Southwest Logo
1:05 pm - 8:00 pmCHS-STL
7h 55m2 stops
$247Southwest
Find Deal
Sat, Sep 6 - Wed, Sep 10
Southwest Logo
10:30 am - 6:00 pmSTL-CHS
6h 30m2 stops
Southwest Logo
6:55 am - 3:05 pmCHS-STL
9h 10m1 stop
$260Southwest
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Wed, Aug 20 - Sun, Aug 24
Delta Logo
6:52 pm - 11:59 pmSTL-CHS
4h 07m1 stop
Delta Logo
6:55 pm - 11:41 pmCHS-STL
5h 46m1 stop
$287Delta
Find Deal
Fri, Oct 17 - Mon, Oct 20
Logo
10:37 am - 7:12 pmSTL-CHS
7h 35m1 stop
Logo
8:17 pm - 4:45 pmCHS-STL
21h 28m3 stops
$334
Find Deal
Thu, Aug 14 - Mon, Aug 18
United Airlines Logo
12:25 pm - 8:08 pmSTL-CHS
6h 43m1 stop
United Airlines Logo
6:00 am - 2:25 pmCHS-STL
9h 25m2 stops
$337United Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28
United Airlines Logo
6:35 am - 2:33 pmSTL-CHS
6h 58m2 stops
United Airlines Logo
4:34 pm - 3:44 pmCHS-STL
24h 10m1 stop
$361United Airlines
Find Deal
Wed, Sep 3 - Fri, Sep 19
Logo
10:37 am - 9:33 amSTL-CHS
21h 56m2 stops
Logo
8:17 pm - 4:45 pmCHS-STL
21h 28m3 stops
$376
Find Deal
Thu, Aug 14 - Mon, Aug 18

American Airlines flights from St. Louis to Charleston

Our best American Airlines deals on St. Louis to Charleston flight tickets
American Airlines
Aug 22
STL7:23 amLambert-St Louis
4h 54m
1 stop
CHS1:17 pmCharleston
Aug 26
CHS5:33 pmCharleston
6h 32m
1 stop
STL11:05 pmLambert-St Louis
$227
Find similar
American Airlines
Sep 6
STL7:01 amLambert-St Louis
8h 35m
2 stops
CHS4:36 pmCharleston
Sep 10
CHS4:22 pmCharleston
5h 48m
1 stop
STL9:10 pmLambert-St Louis
$232
Find similar
American Airlines
Sep 27
STL7:23 amLambert-St Louis
8h 13m
2 stops
CHS4:36 pmCharleston
Oct 4
CHS2:59 pmCharleston
6h 33m
2 stops
STL8:32 pmLambert-St Louis
$237
Find similar

Southwest flights from St. Louis to Charleston

Our best Southwest deals on St. Louis to Charleston flight tickets
Southwest
Sep 6
STL8:20 amLambert-St Louis
7h 20m
2 stops
CHS4:40 pmCharleston
Sep 10
CHS1:05 pmCharleston
7h 55m
2 stops
STL8:00 pmLambert-St Louis
$247
Find similar
Southwest
Aug 20
STL10:30 amLambert-St Louis
6h 30m
2 stops
CHS6:00 pmCharleston
Aug 24
CHS6:55 amCharleston
9h 10m
1 stop
STL3:05 pmLambert-St Louis
$260
Find similar
Southwest
Oct 17
STL3:05 pmLambert-St Louis
6h 25m
1 stop
CHS10:30 pmCharleston
Oct 20
CHS6:15 amCharleston
3h 40m
1 stop
STL8:55 amLambert-St Louis
$262
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 July 31, 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

Fri 8/22

7:23 am-1:17 pm

1 stop4h 54m

Charleston

Tue 8/26

5:33 pm-11:05 pm

1 stop6h 32m

$227

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 9/6

7:01 am-4:36 pm

2 stops8h 35m

Charleston

Wed 9/10

4:22 pm-9:10 pm

1 stop5h 48m

$232

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 10/18

6:00 am-2:12 pm

1 stop7h 12m

Charleston

Mon 10/20

7:59 pm-11:41 pm

1 stop4h 42m

$243

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 9/6

8:20 am-4:40 pm

2 stops7h 20m

Charleston

Wed 9/10

1:05 pm-8:00 pm

2 stops7h 55m

$247

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 8/20

10:30 am-6:00 pm

2 stops6h 30m

Charleston

Sun 8/24

6:55 am-3:05 pm

1 stop9h 10m

$260

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 10/17

6:52 pm-11:59 pm

1 stop4h 07m

Charleston

Mon 10/20

6:55 pm-11:41 pm

1 stop5h 46m

$287

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 8/14

10:37 am-7:12 pm

1 stop7h 35m

Charleston

Mon 8/18

8:17 pm-4:45 pm

3 stops21h 28m

$334

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 10/24

12:25 pm-8:08 pm

1 stop6h 43m

Charleston

Tue 10/28

6:00 am-2:25 pm

2 stops9h 25m

$337

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 9/3

6:35 am-2:33 pm

2 stops6h 58m

Charleston

Fri 9/19

4:34 pm-3:44 pm

1 stop24h 10m

$361

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 8/14

10:37 am-9:33 am

2 stops21h 56m

Charleston

Mon 8/18

8:17 pm-4:45 pm

3 stops21h 28m

$376

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 September. Flight prices, which tend to average around $323, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Charleston, with average flight prices from St. Louis averaging around $333.

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 Sunday. Travelers who choose to depart for Charleston on a Sunday will often find tickets for as low as $345. 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 $390 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 $310 on momondo.

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

There are 1 cabin classes 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 18% 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 July 2025, prices for St. Louis to Charleston flights are approximately 42% 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

$95

Fastest flight time

1h 55m

Direct flights

Mon, Tue, Fri and Sat

Airports in Charleston

1 airport
The best one-way flight to Charleston from St. Louis in the past 72 hours is $95. The best round-trip flight deal from St. Louis to Charleston found on momondo in the last 72 hours is $227.
The fastest flight from St. Louis to Charleston takes 1h 55m
Direct flights go from St. Louis to Charleston on Monday, Tuesday, Friday and Saturday. The only airline offering direct flights is Southwest.
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 1h 55m.

  • 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 $257Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $274Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $287Free CancellationRating
8.0
4,246 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 $287 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
Mount Pleasant
Summerville
Edisto Island
Walterboro
Edisto Beach
Goose Creek
Santee
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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