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Cheap flights from Illinois to Charleston from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Charleston departing on 3/17. 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 Illinois to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:53 pm - 11:59 pm
STL
-
CHS
4h 06m
1 stop
American Airlines Logo
5:00 am - 8:30 am
CHS
-
STL
4h 30m
1 stop
$189American Airlines
Sat, Apr 18 - Sat, Apr 25
Delta Logo
7:20 am - 2:19 pm
STL
-
CHS
5h 59m
1 stop
Delta Logo
5:15 am - 8:18 am
CHS
-
STL
4h 03m
1 stop
$193Delta
Sat, May 2 - Fri, May 8
United Airlines Logo
9:55 am - 7:00 pm
STL
-
CHS
8h 05m
2 stops
United Airlines Logo
6:00 am - 10:58 am
CHS
-
STL
5h 58m
1 stop
$210United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
7:45 am - 1:55 pm
STL
-
CHS
5h 10m
1 stop
United Airlines Logo
6:00 am - 12:22 pm
CHS
-
STL
7h 22m
2 stops
$222United Airlines
Sat, Apr 18 - Sat, Apr 25
Spirit Airlines Logo
8:16 pm - 4:05 pm
ORD
-
CHS
18h 49m
2 stops
Spirit Airlines Logo
5:00 pm - 9:13 pm
CHS
-
ORD
29h 13m
3 stops
$290Spirit Airlines
Sat, Feb 28 - Mon, Mar 2
Spirit Airlines Logo
6:01 pm - 11:09 am
ORD
-
CHS
16h 08m
1 stop
Spirit Airlines Logo
12:04 pm - 12:22 am
CHS
-
ORD
13h 18m
1 stop
$292Spirit Airlines
Sat, Mar 28 - Thu, Apr 2
Multiple Airlines Logo
7:30 am - 2:31 pm
MDW
-
CHS
6h 01m
1 stop
Multiple Airlines Logo
7:00 am - 7:31 pm
CHS
-
MDW
13h 31m
2 stops
$293Multiple Airlines
Fri, Apr 24 - Mon, Apr 27
Southwest Logo
6:00 pm - 9:05 pm
MDW
-
CHS
2h 05mnonstop
Southwest Logo
7:35 am - 2:35 pm
CHS
-
MDW
8h 00m
2 stops
$294Southwest
Tue, Apr 7 - Sat, Apr 11
Multiple Airlines Logo
12:41 pm - 8:43 am
ORD
-
CHS
19h 02m
1 stop
Multiple Airlines Logo
9:35 am - 7:04 pm
CHS
-
ORD
10h 29m
1 stop
$294Multiple Airlines
Sun, Aug 9 - Wed, Aug 19
Southwest Logo
12:45 pm - 3:50 pm
MDW
-
CHS
2h 05mnonstop
Southwest Logo
7:40 am - 8:55 am
CHS
-
MDW
2h 15mnonstop
$302Southwest
Mon, Apr 6 - Thu, Apr 9

American Airlines flights from Illinois to Charleston

Our best American Airlines deals on Illinois to Charleston flight tickets
American Airlines
Apr 18
STL6:53 pmLambert-St Louis
4h 06m
1 stop
CHS11:59 pmCharleston
Apr 25
CHS5:00 amCharleston
4h 30m
1 stop
STL8:30 amLambert-St Louis
$189
American Airlines
May 2
STL2:12 pmLambert-St Louis
4h 17m
1 stop
CHS7:29 pmCharleston
May 8
CHS6:06 amCharleston
6h 07m
1 stop
STL11:13 amLambert-St Louis
$197
American Airlines
Mar 31
STL5:12 amLambert-St Louis
5h 44m
1 stop
CHS11:56 amCharleston
Apr 5
CHS5:10 amCharleston
4h 25m
1 stop
STL8:35 amLambert-St Louis
$234

Southwest flights from Illinois to Charleston

Our best Southwest deals on Illinois to Charleston flight tickets
Southwest
Apr 7
MDW6:00 pmChicago Midway
2h 05m
CHS9:05 pmCharleston
Apr 11
CHS7:35 amCharleston
8h 00m
2 stops
MDW2:35 pmChicago Midway
$294
Southwest
Apr 20
STL2:10 pmLambert-St Louis
1h 55m
CHS5:05 pmCharleston
Apr 24
CHS2:15 pmCharleston
2h 15m
STL3:30 pmLambert-St Louis
$295
Southwest
Apr 6
MDW12:45 pmChicago Midway
2h 05m
CHS3:50 pmCharleston
Apr 9
CHS7:40 amCharleston
2h 15m
MDW8:55 amChicago Midway
$302

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 February 12, 2026.
Use the filters below to find and compare flights from Illinois to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 4/18

6:53 pm-11:59 pm

1 stop4h 06m

Charleston

Sat 4/25

5:00 am-8:30 am

1 stop4h 30m

$189

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 5/2

7:20 am-2:19 pm

1 stop5h 59m

Charleston

Fri 5/8

5:15 am-8:18 am

1 stop4h 03m

$193

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 2/24

9:55 am-7:00 pm

2 stops8h 05m

Charleston

Sat 2/28

6:00 am-10:58 am

1 stop5h 58m

$210

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 4/18

7:45 am-1:55 pm

1 stop5h 10m

Charleston

Sat 4/25

6:00 am-12:22 pm

2 stops7h 22m

$222

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Sat 2/28

8:16 pm-4:05 pm

2 stops18h 49m

Charleston

Mon 3/2

5:00 pm-9:13 pm

3 stops29h 13m

$290

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Sat 3/28

6:01 pm-11:09 am

1 stop16h 08m

Charleston

Thu 4/2

12:04 pm-12:22 am

1 stop13h 18m

$292

ChicagoCharleston

MDW - CHS

MDWCHS

Chicago Midway

Fri 4/24

7:30 am-2:31 pm

1 stop6h 01m

Charleston

Mon 4/27

7:00 am-7:31 pm

2 stops13h 31m

$293

ChicagoCharleston

MDW - CHS

MDWCHS

Chicago Midway

Tue 4/7

6:00 pm-9:05 pm

Nonstop2h 05m

Charleston

Sat 4/11

7:35 am-2:35 pm

2 stops8h 00m

$294

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Sun 8/9

12:41 pm-8:43 am

1 stop19h 02m

Charleston

Wed 8/19

9:35 am-7:04 pm

1 stop10h 29m

$294

ChicagoCharleston

MDW - CHS

MDWCHS

Chicago Midway

Mon 4/6

12:45 pm-3:50 pm

Nonstop2h 05m

Charleston

Thu 4/9

7:40 am-8:55 am

Nonstop2h 15m

$302

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 Illinois 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 Illinois is in August. Flight prices, which tend to average around $336, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Charleston, with average flight prices from Illinois averaging around $350.

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

The cheapest day to depart from Illinois to Charleston is on a Tuesday. Travelers who choose to depart for Charleston on a Tuesday will often find tickets for as low as $348. The most expensive day to fly to Charleston is Friday, with ticket prices averaging around $392.

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

The cheapest time of day to fly to Charleston is at noon when flights can be purchased for as low as $356. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $383 per ticket.

What is the cheapest Illinois to Charleston flight route?

Fly from Chicago Midway to Charleston for the best Illinois - 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $375 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from Illinois for as low as $320 on momondo.

What cabin class options are available on Illinois to Charleston flights?

There are 4 cabin classes available to choose from on Illinois 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 Illinois to Charleston flights?

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

Cheap Illinois to Charleston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Charleston

Best Price Found

$184

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Charleston

1 airport
The best one-way flight to Charleston from Illinois in the past 72 hours is $184. The best round-trip flight deal from Illinois to Charleston found on momondo in the last 72 hours is $306.
The fastest flight from Illinois to Charleston takes 1h 55m
Direct flights go from Illinois to Charleston every day.
There is 1 airport in Charleston. From Illinois there are direct flights to Charleston (CHS).
Search flight deals

  • When did momondo last update prices for flights from Illinois to Charleston Airport?

    Prices for flights from Illinois to Charleston Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Charleston Airport?

  • How old do you have to be to fly from Illinois 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 Illinois to Charleston Airport.

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

    The travel and health documents you'll need for your trip to Charleston Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Charleston Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to Charleston?

Best airlines flying from Illinois to Charleston

Compare and see reviews for airlines that fly from Illinois to Charleston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $109Free CancellationRating
6.3
8,446 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $124Free CancellationRating
7.2
11,272 reviews
Search American Airlines flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,182 reviews
Search Delta flights
SouthwestPriceFrom $153Free CancellationRating
8.0
4,282 reviews
Search Southwest flights
United AirlinesPriceFrom $231Free CancellationRating
7.4
9,282 reviews
Search United Airlines 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
Kiawah Island
North Charleston
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 Illinois to Charleston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Charleston for you.

Can I find flights from Illinois to Charleston with flexible booking policies on momondo?

All flight searches from Illinois to Charleston on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Charleston?

momondo provides multiple filters to help you find the best flight to Charleston from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Charleston from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Charleston trip

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