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Cheap flights from Charleston to St. Louis from $111

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 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Charleston to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
10:45 am - 4:25 pm
CHS
-
STL
6h 40m
1 stop
Southwest Logo
8:35 am - 4:20 pm
STL
-
CHS
6h 45m
1 stop
$221Southwest
Tue, Aug 25 - Tue, Sep 1
United Airlines Logo
5:45 am - 12:02 pm
CHS
-
STL
7h 17m
2 stops
United Airlines Logo
8:00 am - 1:58 pm
STL
-
CHS
4h 58m
1 stop
$226United Airlines
Tue, Aug 25 - Tue, Sep 1
Southwest Logo
7:35 am - 2:50 pm
CHS
-
STL
8h 15m
2 stops
Southwest Logo
10:45 am - 7:45 pm
STL
-
CHS
8h 00m
2 stops
$233Southwest
Tue, Aug 25 - Tue, Sep 1
Southwest Logo
1:50 pm - 3:00 pm
CHS
-
STL
2h 10mnonstop
Southwest Logo
3:15 pm - 6:15 pm
STL
-
CHS
2h 00mnonstop
$237Southwest
Tue, Jul 14 - Tue, Jul 21
Southwest Logo
6:10 am - 9:35 am
CHS
-
STL
4h 25m
1 stop
Southwest Logo
3:15 pm - 6:15 pm
STL
-
CHS
2h 00mnonstop
$242Southwest
Tue, Jul 14 - Tue, Jul 21
Delta Logo
5:30 am - 8:12 am
CHS
-
STL
3h 42m
1 stop
Delta Logo
6:00 am - 11:26 am
STL
-
CHS
4h 26m
1 stop
$243Delta
Thu, Oct 8 - Tue, Oct 13
Southwest Logo
8:15 pm - 11:05 pm
CHS
-
STL
3h 50m
1 stop
Southwest Logo
8:25 am - 3:35 pm
STL
-
CHS
6h 10m
1 stop
$247Southwest
Tue, Jul 14 - Tue, Jul 21
Southwest Logo
6:10 am - 9:35 am
CHS
-
STL
4h 25m
1 stop
Southwest Logo
5:40 am - 1:30 pm
STL
-
CHS
6h 50m
2 stops
$252Southwest
Tue, Jul 14 - Tue, Jul 21
Delta Logo
5:30 am - 9:36 am
CHS
-
STL
5h 06m
1 stop
Delta Logo
6:45 pm - 11:57 pm
STL
-
CHS
4h 12m
1 stop
$255Delta
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
10:45 am - 6:25 pm
CHS
-
STL
8h 40m
2 stops
Southwest Logo
5:50 am - 4:10 pm
STL
-
CHS
9h 20m
2 stops
$257Southwest
Tue, Jul 14 - Tue, Jul 21

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Delta flights from Charleston to St. Louis

Our best Delta deals on Charleston to St. Louis flight tickets
Delta
Oct 8
CHS5:30 amCharleston
3h 42m
1 stop
STL8:12 amLambert-St Louis
Oct 13
STL6:00 amLambert-St Louis
4h 26m
1 stop
CHS11:26 amCharleston
$243
Delta
Sep 10
CHS5:30 amCharleston
5h 06m
1 stop
STL9:36 amLambert-St Louis
Sep 14
STL6:45 pmLambert-St Louis
4h 12m
1 stop
CHS11:57 pmCharleston
$255
Delta
Sep 10
CHS5:30 amCharleston
5h 06m
1 stop
STL9:36 amLambert-St Louis
Sep 14
STL6:45 pmLambert-St Louis
4h 12m
1 stop
CHS11:57 pmCharleston
$265

United Airlines flights from Charleston to St. Louis

Our best United Airlines deals on Charleston to St. Louis flight tickets
United Airlines
Aug 25
CHS5:45 amCharleston
7h 17m
2 stops
STL12:02 pmLambert-St Louis
Sep 1
STL8:00 amLambert-St Louis
4h 58m
1 stop
CHS1:58 pmCharleston
$226
United Airlines
Aug 25
CHS3:33 pmCharleston
7h 27m
1 stop
STL10:00 pmLambert-St Louis
Aug 26
STL7:00 amLambert-St Louis
6h 13m
1 stop
CHS2:13 pmCharleston
$301
United Airlines
Aug 25
CHS3:33 pmCharleston
7h 27m
1 stop
STL10:00 pmLambert-St Louis
Aug 26
STL9:30 amLambert-St Louis
8h 40m
2 stops
CHS7:10 pmCharleston
$306

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 June 12, 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

Cheapest round-trip

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 8/25

10:45 am-4:25 pm

1 stop6h 40m

Lambert-St Louis

Tue 9/1

8:35 am-4:20 pm

1 stop6h 45m

$221

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 8/25

5:45 am-12:02 pm

2 stops7h 17m

Lambert-St Louis

Tue 9/1

8:00 am-1:58 pm

1 stop4h 58m

$226

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 8/25

7:35 am-2:50 pm

2 stops8h 15m

Lambert-St Louis

Tue 9/1

10:45 am-7:45 pm

2 stops8h 00m

$233
Quickest round-trip

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 7/14

1:50 pm-3:00 pm

Nonstop2h 10m

Lambert-St Louis

Tue 7/21

3:15 pm-6:15 pm

Nonstop2h 00m

$237

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 7/14

6:10 am-9:35 am

1 stop4h 25m

Lambert-St Louis

Tue 7/21

3:15 pm-6:15 pm

Nonstop2h 00m

$242

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 10/8

5:30 am-8:12 am

1 stop3h 42m

Lambert-St Louis

Tue 10/13

6:00 am-11:26 am

1 stop4h 26m

$243

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 7/14

8:15 pm-11:05 pm

1 stop3h 50m

Lambert-St Louis

Tue 7/21

8:25 am-3:35 pm

1 stop6h 10m

$247

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 7/14

6:10 am-9:35 am

1 stop4h 25m

Lambert-St Louis

Tue 7/21

5:40 am-1:30 pm

2 stops6h 50m

$252

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 9/10

5:30 am-9:36 am

1 stop5h 06m

Lambert-St Louis

Mon 9/14

6:45 pm-11:57 pm

1 stop4h 12m

$255

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 7/14

10:45 am-6:25 pm

2 stops8h 40m

Lambert-St Louis

Tue 7/21

5:50 am-4:10 pm

2 stops9h 20m

$257

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 typical price of a round-trip flight between Charleston and St. Louis?

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

In general, February 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 $276. The month of September is another great option to travel to St. Louis, with average flight prices from Charleston averaging around $299.

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 $287. 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 Sunday because tickets tend to average around $606. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as $357 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $527 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 St. Louis flights?

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

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

As of June 2026, prices for Charleston to St. Louis flights are approximately 60% 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

$219

Fastest flight time

2h 05m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Charleston in the past 72 hours is $219. The best round-trip flight deal from Charleston to St. Louis found on momondo in the last 72 hours is $330.
The fastest flight from Charleston to St. Louis takes 2h 05m
Direct flights go from Charleston to St. Louis on Monday, Tuesday, Wednesday, Friday, Saturday 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

Frequently asked questions about flying from Charleston to St. Louis

  • 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
DeltaPriceFrom $206Free CancellationRating
7.9
8,400 reviews
Search Delta flights
American AirlinesPriceFrom $274Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights
SouthwestPriceFrom $281Free CancellationRating
7.9
4,234 reviews
Search Southwest flights

  • Southwest Flights From Charleston to St. Louis

    Southwest flight deals from Charleston to St. Louis start from $281 round-trip. Over the 5 Southwest flights for this route in a normal week, average airfare is usually $373 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
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Fenton
Clayton
Farmington
Festus
Eureka
Litchfield
Edwardsville
Grafton
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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