Cheap flights from Illinois to Charleston from $105

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 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
3:15 pm - 6:15 pm
STL
-
CHS
2h 00mnonstop
Southwest Logo
1:50 pm - 3:00 pm
CHS
-
STL
2h 10mnonstop
$237Southwest
Wed, Jun 10 - Wed, Jun 17
Southwest Logo
5:20 pm - 8:15 pm
STL
-
CHS
1h 55mnonstop
Southwest Logo
4:45 pm - 5:50 pm
CHS
-
STL
2h 05mnonstop
$239Southwest
Sat, May 30 - Thu, Jun 4
Multiple Airlines Logo
4:10 pm - 8:38 am
STL
-
CHS
15h 28m
1 stop
Multiple Airlines Logo
3:23 pm - 8:52 am
CHS
-
STL
42h 29m
2 stops
$250Multiple Airlines
Wed, Aug 19 - Mon, Aug 24
American Airlines Logo
5:40 pm - 11:58 pm
STL
-
CHS
5h 18m
1 stop
American Airlines Logo
6:06 am - 10:37 am
CHS
-
STL
5h 31m
1 stop
$259American Airlines
Sat, May 30 - Thu, Jun 4
Delta Logo
5:56 am - 1:43 pm
MLI
-
CHS
6h 47m
1 stop
Delta Logo
1:05 pm - 4:22 pm
CHS
-
MLI
4h 17m
1 stop
$261Delta
Sat, Jul 11 - Tue, Jul 21
American Airlines Logo
5:00 am - 11:01 am
ORD
-
CHS
5h 01m
1 stop
American Airlines Logo
12:26 pm - 2:02 pm
CHS
-
ORD
2h 36mnonstop
$267American Airlines
Tue, Jun 9 - Wed, Jun 17
Multiple Airlines Logo
4:49 pm - 8:38 am
ORD
-
CHS
14h 49m
1 stop
Multiple Airlines Logo
6:00 am - 12:02 pm
CHS
-
ORD
31h 02m
2 stops
$273Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Delta Logo
9:48 am - 3:58 pm
ORD
-
CHS
5h 10m
1 stop
Delta Logo
5:10 am - 10:13 am
CHS
-
ORD
6h 03m
1 stop
$277Delta
Wed, Jun 17 - Tue, Jun 23
United Airlines Logo
1:13 pm - 9:48 pm
PIA
-
CHS
7h 35m
1 stop
United Airlines Logo
3:08 pm - 7:41 pm
CHS
-
PIA
5h 33m
1 stop
$374United Airlines
Thu, Jul 9 - Sat, Jul 11
United Airlines Logo
2:33 pm - 9:51 pm
PIA
-
CHS
6h 18m
1 stop
United Airlines Logo
6:00 am - 12:38 pm
CHS
-
PIA
7h 38m
1 stop
$399United Airlines
Wed, Jun 24 - Sat, Jun 27

Southwest flights from Illinois to Charleston

Our best Southwest deals on Illinois to Charleston flight tickets
Southwest
Jun 10
STL3:15 pmLambert-St Louis
2h 00m
CHS6:15 pmCharleston
Jun 17
CHS1:50 pmCharleston
2h 10m
STL3:00 pmLambert-St Louis
$237
Southwest
May 30
STL5:20 pmLambert-St Louis
1h 55m
CHS8:15 pmCharleston
Jun 4
CHS4:45 pmCharleston
2h 05m
STL5:50 pmLambert-St Louis
$239
Southwest
Jun 3
STL3:45 pmLambert-St Louis
4h 20m
1 stop
CHS9:05 pmCharleston
Jun 10
CHS1:50 pmCharleston
2h 10m
STL3:00 pmLambert-St Louis
$247

American Airlines flights from Illinois to Charleston

Our best American Airlines deals on Illinois to Charleston flight tickets
American Airlines
May 30
STL5:40 pmLambert-St Louis
5h 18m
1 stop
CHS11:58 pmCharleston
Jun 4
CHS6:06 amCharleston
5h 31m
1 stop
STL10:37 amLambert-St Louis
$259
American Airlines
Jun 9
ORD5:00 amChicago O'Hare Intl
5h 01m
1 stop
CHS11:01 amCharleston
Jun 17
CHS12:26 pmCharleston
2h 36m
ORD2:02 pmChicago O'Hare Intl
$267
American Airlines
Aug 4
ORD8:30 amChicago O'Hare Intl
2h 24m
CHS11:54 amCharleston
Aug 13
CHS6:47 amCharleston
6h 29m
1 stop
ORD12:16 pmChicago O'Hare Intl
$271

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 May 13, 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

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 6/10

3:15 pm-6:15 pm

Nonstop2h 00m

Charleston

Wed 6/17

1:50 pm-3:00 pm

Nonstop2h 10m

$237
Quickest round-trip

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 5/30

5:20 pm-8:15 pm

Nonstop1h 55m

Charleston

Thu 6/4

4:45 pm-5:50 pm

Nonstop2h 05m

$239

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 8/19

4:10 pm-8:38 am

1 stop15h 28m

Charleston

Mon 8/24

3:23 pm-8:52 am

2 stops42h 29m

$250

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 5/30

5:40 pm-11:58 pm

1 stop5h 18m

Charleston

Thu 6/4

6:06 am-10:37 am

1 stop5h 31m

$259

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Sat 7/11

5:56 am-1:43 pm

1 stop6h 47m

Charleston

Tue 7/21

1:05 pm-4:22 pm

1 stop4h 17m

$261

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Tue 6/9

5:00 am-11:01 am

1 stop5h 01m

Charleston

Wed 6/17

12:26 pm-2:02 pm

Nonstop2h 36m

$267

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Wed 9/16

4:49 pm-8:38 am

1 stop14h 49m

Charleston

Wed 9/23

6:00 am-12:02 pm

2 stops31h 02m

$273

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Wed 6/17

9:48 am-3:58 pm

1 stop5h 10m

Charleston

Tue 6/23

5:10 am-10:13 am

1 stop6h 03m

$277

PeoriaCharleston

PIA - CHS

PIACHS

Greater Peoria

Thu 7/9

1:13 pm-9:48 pm

1 stop7h 35m

Charleston

Sat 7/11

3:08 pm-7:41 pm

1 stop5h 33m

$374

PeoriaCharleston

PIA - CHS

PIACHS

Greater Peoria

Wed 6/24

2:33 pm-9:51 pm

1 stop6h 18m

Charleston

Sat 6/27

6:00 am-12:38 pm

1 stop7h 38m

$399

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 February. Flight prices, which tend to average around $101, 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 $104.

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 $342. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $403.

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 $365. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $381 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 from Illinois 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 $377 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 $293 on momondo.

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

$132

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 $132. The best round-trip flight deal from Illinois to Charleston found on momondo in the last 72 hours is $322.
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).

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
8,631 reviews
Search Spirit Airlines flights
DeltaPriceFrom $149Free CancellationRating
7.9
8,450 reviews
Search Delta flights
SouthwestPriceFrom $153Free CancellationRating
7.9
4,296 reviews
Search Southwest flights
American AirlinesPriceFrom $206Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
9,706 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
North Charleston
Summerville
Kiawah Island
Mount Pleasant
Edisto Island
Santee
Walterboro
Goose Creek
Seabrook Island
Edisto Beach

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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1 adult
Fri 6/12
Fri 6/19

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