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Cheap flights from St. Louis to Charleston from $78

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 1/21. 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 St. Louis to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:22 pm - 5:36 pm
STL
-
CHS
20h 14m2 stops
Multiple Airlines Logo
3:01 pm - 10:27 pm
CHS
-
STL
8h 26m1 stop
$165Multiple Airlines
Wed, Feb 4 - Tue, Feb 10
Multiple Airlines Logo
3:49 pm - 3:55 pm
STL
-
CHS
23h 06m2 stops
Multiple Airlines Logo
3:21 pm - 12:27 am
CHS
-
STL
10h 06m1 stop
$205Multiple Airlines
Tue, Feb 17 - Fri, Feb 20
Multiple Airlines Logo
10:06 am - 5:36 pm
STL
-
CHS
30h 30m2 stops
Multiple Airlines Logo
3:01 pm - 11:33 pm
CHS
-
STL
9h 32m1 stop
$222Multiple Airlines
Sun, Jan 18 - Thu, Jan 22
Multiple Airlines Logo
5:42 pm - 8:38 am
STL
-
CHS
13h 56m1 stop
Multiple Airlines Logo
3:01 pm - 10:27 pm
CHS
-
STL
8h 26m1 stop
$231Multiple Airlines
Wed, Feb 4 - Tue, Feb 10
Multiple Airlines Logo
3:43 pm - 5:36 pm
STL
-
CHS
24h 53m2 stops
Multiple Airlines Logo
3:01 pm - 10:34 pm
CHS
-
STL
8h 33m1 stop
$269Multiple Airlines
Fri, Jan 9 - Tue, Jan 13
Multiple Airlines Logo
5:42 pm - 4:10 pm
STL
-
CHS
21h 28m2 stops
Multiple Airlines Logo
3:01 pm - 11:33 pm
CHS
-
STL
9h 32m1 stop
$273Multiple Airlines
Fri, Feb 6 - Sun, Feb 8
Multiple Airlines Logo
8:17 pm - 5:40 pm
STL
-
CHS
20h 23m2 stops
Multiple Airlines Logo
3:01 pm - 11:19 pm
CHS
-
STL
9h 18m1 stop
$285Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
3:49 pm - 8:38 am
STL
-
CHS
15h 49m1 stop
Multiple Airlines Logo
3:01 pm - 11:19 pm
CHS
-
STL
9h 18m1 stop
$298Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
8:32 pm - 5:36 pm
STL
-
CHS
20h 04m2 stops
Multiple Airlines Logo
3:01 pm - 10:34 pm
CHS
-
STL
8h 33m1 stop
$301Multiple Airlines
Fri, Jan 16 - Sun, Jan 18
Multiple Airlines Logo
3:49 pm - 5:40 pm
STL
-
CHS
24h 51m2 stops
Multiple Airlines Logo
3:21 pm - 11:59 pm
CHS
-
STL
9h 38m1 stop
$306Multiple Airlines
Thu, Feb 19 - Mon, Feb 23

Southwest flights from St. Louis to Charleston

Our best Southwest deals on St. Louis to Charleston flight tickets
Southwest
Feb 4
STL10:15 amLambert-St Louis
6h 20m
2 stops
CHS5:35 pmCharleston
Feb 10
CHS7:55 amCharleston
8h 05m
2 stops
STL3:00 pmLambert-St Louis
$323
Find similar
Southwest
Feb 26
STL10:35 amLambert-St Louis
11h 40m
2 stops
CHS11:15 pmCharleston
Mar 2
CHS4:10 pmCharleston
8h 25m
1 stop
STL11:35 pmLambert-St Louis
$342
Find similar
Southwest
Feb 26
STL10:35 amLambert-St Louis
11h 40m
2 stops
CHS11:15 pmCharleston
Mar 2
CHS7:35 amCharleston
7h 35m
2 stops
STL2:10 pmLambert-St Louis
$347
Find similar

American Airlines flights from St. Louis to Charleston

Our best American Airlines deals on St. Louis to Charleston flight tickets
American Airlines
Feb 19
STL10:04 amLambert-St Louis
5h 23m
1 stop
CHS4:27 pmCharleston
Feb 23
CHS4:57 pmCharleston
7h 31m
1 stop
STL11:28 pmLambert-St Louis
$337
Find similar
American Airlines
Dec 30
STL6:00 pmLambert-St Louis
5h 45m
1 stop
CHS12:45 amCharleston
Jan 12
CHS3:16 pmCharleston
8h 43m
1 stop
STL10:59 pmLambert-St Louis
$344
Find similar
American Airlines
Dec 30
STL6:00 pmLambert-St Louis
5h 45m
1 stop
CHS12:45 amCharleston
Jan 3
CHS8:08 pmCharleston
4h 48m
1 stop
STL11:56 pmLambert-St Louis
$351
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 December 23, 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

Wed 2/4

8:22 pm-5:36 pm

2 stops20h 14m

Charleston

Tue 2/10

3:01 pm-10:27 pm

1 stop8h 26m

$165

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 2/17

3:49 pm-3:55 pm

2 stops23h 06m

Charleston

Fri 2/20

3:21 pm-12:27 am

1 stop10h 06m

$205

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sun 1/18

10:06 am-5:36 pm

2 stops30h 30m

Charleston

Thu 1/22

3:01 pm-11:33 pm

1 stop9h 32m

$222

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 2/4

5:42 pm-8:38 am

1 stop13h 56m

Charleston

Tue 2/10

3:01 pm-10:27 pm

1 stop8h 26m

$231

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 1/9

3:43 pm-5:36 pm

2 stops24h 53m

Charleston

Tue 1/13

3:01 pm-10:34 pm

1 stop8h 33m

$269

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 2/6

5:42 pm-4:10 pm

2 stops21h 28m

Charleston

Sun 2/8

3:01 pm-11:33 pm

1 stop9h 32m

$273

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 3/4

8:17 pm-5:40 pm

2 stops20h 23m

Charleston

Tue 3/10

3:01 pm-11:19 pm

1 stop9h 18m

$285

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 3/4

3:49 pm-8:38 am

1 stop15h 49m

Charleston

Tue 3/10

3:01 pm-11:19 pm

1 stop9h 18m

$298

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Fri 1/16

8:32 pm-5:36 pm

2 stops20h 04m

Charleston

Sun 1/18

3:01 pm-10:34 pm

1 stop8h 33m

$301

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 2/19

3:49 pm-5:40 pm

2 stops24h 51m

Charleston

Mon 2/23

3:21 pm-11:59 pm

1 stop9h 38m

$306

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 $319, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Charleston, with average flight prices from St. Louis averaging around $328.

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 $488.

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 $388 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 $336 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?

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

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

As of December 2025, prices for St. Louis to Charleston flights are approximately 91% 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

Fastest flight time

1h 55m

Direct flights

Mon, Sat and Sun

Airports in Charleston

1 airport
The fastest flight from St. Louis to Charleston takes 1h 55m
Direct flights go from St. Louis to Charleston on Monday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Charleston. From St. Louis there are direct flights to 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 $206Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
SouthwestPriceFrom $271Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

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
Santee
Walterboro
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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