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Cheap flights from Illinois to Charleston from $81

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 4/27. 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

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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.
Southwest Logo
12:05 pm - 3:00 pm
STL
-
CHS
1h 55mnonstop
Southwest Logo
3:40 pm - 5:00 pm
CHS
-
STL
2h 20mnonstop
$217Southwest
Tue, Apr 28 - Tue, May 5
Southwest Logo
11:35 am - 5:40 pm
STL
-
CHS
5h 05m
1 stop
Southwest Logo
3:40 pm - 5:00 pm
CHS
-
STL
2h 20mnonstop
$227Southwest
Tue, Apr 28 - Tue, May 5
American Airlines Logo
5:51 am - 11:33 am
STL
-
CHS
4h 42m
1 stop
American Airlines Logo
7:07 am - 2:03 pm
CHS
-
STL
7h 56m
1 stop
$237American Airlines
Wed, May 13 - Tue, May 19
Delta Logo
11:08 am - 5:16 pm
MLI
-
CHS
5h 08m
1 stop
Delta Logo
6:00 am - 10:22 am
CHS
-
MLI
5h 22m
1 stop
$261Delta
Tue, Aug 4 - Sat, Aug 8
United Airlines Logo
2:31 pm - 11:52 pm
MLI
-
CHS
8h 21m
2 stops
United Airlines Logo
6:00 am - 10:04 am
CHS
-
MLI
5h 04m
1 stop
$266United Airlines
Tue, Aug 4 - Sat, Aug 8
United Airlines Logo
1:15 pm - 9:51 pm
MLI
-
CHS
7h 36m
1 stop
United Airlines Logo
11:31 am - 5:52 pm
CHS
-
MLI
7h 21m
1 stop
$276United Airlines
Wed, Jun 10 - Mon, Jun 15
Multiple Airlines Logo
6:01 pm - 11:08 am
ORD
-
CHS
16h 07m
1 stop
Multiple Airlines Logo
5:16 pm - 12:24 am
CHS
-
ORD
8h 08m
2 stops
$288Multiple Airlines
Tue, Apr 14 - Sat, Apr 18
Multiple Airlines Logo
1:50 pm - 8:38 am
ORD
-
CHS
17h 48m
2 stops
Multiple Airlines Logo
3:13 pm - 10:14 pm
CHS
-
ORD
8h 01m
1 stop
$289Multiple Airlines
Sat, May 23 - Tue, May 26
Delta Logo
5:17 pm - 12:36 am
MLI
-
CHS
6h 19m
1 stop
Delta Logo
7:20 am - 10:24 am
CHS
-
MLI
4h 04m
1 stop
$291Delta
Fri, Jun 26 - Mon, Jun 29
American Airlines Logo
4:24 pm - 11:48 pm
MLI
-
CHS
6h 24m
1 stop
American Airlines Logo
12:58 pm - 6:26 pm
CHS
-
MLI
6h 28m
2 stops
$309American Airlines
Tue, Jun 16 - Tue, Jun 30

American Airlines flights from Illinois to Charleston

Our best American Airlines deals on Illinois to Charleston flight tickets
American Airlines
May 13
STL5:51 amLambert-St Louis
4h 42m
1 stop
CHS11:33 amCharleston
May 19
CHS7:07 amCharleston
7h 56m
1 stop
STL2:03 pmLambert-St Louis
$237
American Airlines
May 30
STL5:11 pmLambert-St Louis
5h 28m
1 stop
CHS11:39 pmCharleston
Jun 2
CHS6:00 amCharleston
5h 12m
1 stop
STL10:12 amLambert-St Louis
$248
American Airlines
Apr 18
STL7:00 amLambert-St Louis
6h 09m
1 stop
CHS2:09 pmCharleston
Apr 21
CHS7:07 amCharleston
5h 40m
1 stop
STL11:47 amLambert-St Louis
$266

Delta flights from Illinois to Charleston

Our best Delta deals on Illinois to Charleston flight tickets
Delta
Aug 4
MLI11:08 amMoline Quad-City
5h 08m
1 stop
CHS5:16 pmCharleston
Aug 8
CHS6:00 amCharleston
5h 22m
1 stop
MLI10:22 amMoline Quad-City
$261
Delta
Apr 27
STL4:41 pmLambert-St Louis
5h 21m
1 stop
CHS11:02 pmCharleston
May 4
CHS7:44 pmCharleston
4h 52m
1 stop
STL11:36 pmLambert-St Louis
$287
Delta
Jun 26
MLI5:17 pmMoline Quad-City
6h 19m
1 stop
CHS12:36 amCharleston
Jun 29
CHS7:20 amCharleston
4h 04m
1 stop
MLI10:24 amMoline Quad-City
$291

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 April 2, 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

Cheapest round-trip
Quickest round-trip

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/28

12:05 pm-3:00 pm

Nonstop1h 55m

Charleston

Tue 5/5

3:40 pm-5:00 pm

Nonstop2h 20m

$217

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/28

11:35 am-5:40 pm

1 stop5h 05m

Charleston

Tue 5/5

3:40 pm-5:00 pm

Nonstop2h 20m

$227

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 5/13

5:51 am-11:33 am

1 stop4h 42m

Charleston

Tue 5/19

7:07 am-2:03 pm

1 stop7h 56m

$237

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Tue 8/4

11:08 am-5:16 pm

1 stop5h 08m

Charleston

Sat 8/8

6:00 am-10:22 am

1 stop5h 22m

$261

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Tue 8/4

2:31 pm-11:52 pm

2 stops8h 21m

Charleston

Sat 8/8

6:00 am-10:04 am

1 stop5h 04m

$266

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Wed 6/10

1:15 pm-9:51 pm

1 stop7h 36m

Charleston

Mon 6/15

11:31 am-5:52 pm

1 stop7h 21m

$276

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Tue 4/14

6:01 pm-11:08 am

1 stop16h 07m

Charleston

Sat 4/18

5:16 pm-12:24 am

2 stops8h 08m

$288

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Sat 5/23

1:50 pm-8:38 am

2 stops17h 48m

Charleston

Tue 5/26

3:13 pm-10:14 pm

1 stop8h 01m

$289

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Fri 6/26

5:17 pm-12:36 am

1 stop6h 19m

Charleston

Mon 6/29

7:20 am-10:24 am

1 stop4h 04m

$291

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Tue 6/16

4:24 pm-11:48 pm

1 stop6h 24m

Charleston

Tue 6/30

12:58 pm-6:26 pm

2 stops6h 28m

$309

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 $330, 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 $339. The most expensive day to fly to Charleston is Sunday, 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 in the afternoon when flights can be purchased for as low as $367. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $376 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 $306 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

$172

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 $172. The best round-trip flight deal from Illinois to Charleston found on momondo in the last 72 hours is $343.
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

Frequently asked questions about flying from Illinois to Charleston

  • 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
8,576 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $124Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,370 reviews
Search Delta flights
SouthwestPriceFrom $153Free CancellationRating
8.0
4,337 reviews
Search Southwest flights
United AirlinesPriceFrom $232Free CancellationRating
7.4
9,533 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
Summerville
Kiawah Island
North Charleston
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.

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