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Cheap flights from Charleston to Illinois from $80

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 Illinois departing on 9/18. 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 Charleston to Illinois

Cheap round-trip flights

Spirit Airlines Logo
10:11 am - 3:56 pmCHS-ORD
6h 45m1 stop
Spirit Airlines Logo
7:41 pm - 9:01 amORD-CHS
12h 20m1 stop
$181Spirit Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Spirit Airlines Logo
10:11 am - 6:36 pmCHS-ORD
9h 25m1 stop
Spirit Airlines Logo
7:41 pm - 9:06 amORD-CHS
12h 25m1 stop
$182Spirit Airlines
Find Deal
Mon, Oct 20 - Wed, Oct 29
United Airlines Logo
4:15 pm - 5:56 pmCHS-ORD
2h 41mnonstop
United Airlines Logo
4:50 pm - 8:08 pmORD-CHS
2h 18mnonstop
$237United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
United Airlines Logo
5:50 pm - 11:30 pmCHS-ORD
6h 40m1 stop
United Airlines Logo
4:50 pm - 8:08 pmORD-CHS
2h 18mnonstop
$243United Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
American Airlines Logo
6:16 pm - 7:49 pmCHS-ORD
2h 33mnonstop
American Airlines Logo
2:19 pm - 5:44 pmORD-CHS
2h 25mnonstop
$245American Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
Southwest Logo
6:05 am - 7:15 amCHS-MDW
2h 10mnonstop
Southwest Logo
1:25 pm - 4:25 pmMDW-CHS
2h 00mnonstop
$245Southwest
Find Deal
Sat, Oct 4 - Tue, Oct 7
American Airlines Logo
6:16 pm - 7:49 pmCHS-ORD
2h 33mnonstop
American Airlines Logo
9:20 am - 4:54 pmORD-CHS
6h 34m1 stop
$247American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Southwest Logo
5:25 pm - 10:05 pmCHS-STL
5h 40m1 stop
Southwest Logo
2:25 pm - 8:35 pmSTL-CHS
5h 10m1 stop
$249Southwest
Find Deal
Tue, Oct 28 - Tue, Nov 4
Delta Logo
6:55 pm - 10:20 pmCHS-MLI
4h 25m1 stop
Delta Logo
5:08 pm - 11:57 pmMLI-CHS
5h 49m1 stop
$249Delta
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Sat, Nov 8 - Tue, Nov 11
Delta Logo
11:29 am - 6:35 pmCHS-MDW
8h 06m1 stop
Delta Logo
6:00 am - 11:46 amMDW-CHS
4h 46m1 stop
$251Delta
Find Deal
Sat, Oct 4 - Tue, Oct 7

Frontier flights from Charleston to Illinois

Our best Frontier deals on Charleston to Illinois flight tickets
Frontier
Nov 14
CHS7:37 pmCharleston
16h 53m
2 stops
ORD11:30 amChicago O'Hare Intl
Nov 17
ORD8:26 amChicago O'Hare Intl
9h 26m
1 stop
CHS6:52 pmCharleston
$203
Find similar
Frontier
Sep 18
CHS3:26 pmCharleston
9h 44m
2 stops
ORD12:10 amChicago O'Hare Intl
Sep 21
ORD6:10 amChicago O'Hare Intl
7h 21m
1 stop
CHS2:31 pmCharleston
$213
Find similar
Frontier
Sep 11
CHS3:26 pmCharleston
16h 45m
1 stop
MDW7:11 amChicago Midway
Sep 14
MDW8:06 amChicago Midway
5h 25m
1 stop
CHS2:31 pmCharleston
$216
Find similar

American Airlines flights from Charleston to Illinois

Our best American Airlines deals on Charleston to Illinois flight tickets
American Airlines
Oct 1
CHS6:16 pmCharleston
2h 33m
ORD7:49 pmChicago O'Hare Intl
Oct 4
ORD2:19 pmChicago O'Hare Intl
2h 25m
CHS5:44 pmCharleston
$245
Find similar
American Airlines
Oct 1
CHS6:16 pmCharleston
2h 33m
ORD7:49 pmChicago O'Hare Intl
Oct 8
ORD9:20 amChicago O'Hare Intl
6h 34m
1 stop
CHS4:54 pmCharleston
$247
Find similar
American Airlines
Oct 22
CHS7:41 pmCharleston
4h 20m
1 stop
PIA11:01 pmGreater Peoria
Oct 29
PIA6:36 amGreater Peoria
7h 15m
1 stop
CHS2:51 pmCharleston
$249
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Charleston to Illinois 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 September 4, 2025.
Use the filters below to find and compare flights from Charleston to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 10/23

10:11 am-3:56 pm

1 stop6h 45m

Chicago O'Hare Intl

Sun 10/26

7:41 pm-9:01 am

1 stop12h 20m

$181

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Mon 10/20

10:11 am-6:36 pm

1 stop9h 25m

Chicago O'Hare Intl

Wed 10/29

7:41 pm-9:06 am

1 stop12h 25m

$182

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 10/1

4:15 pm-5:56 pm

Nonstop2h 41m

Chicago O'Hare Intl

Wed 10/8

4:50 pm-8:08 pm

Nonstop2h 18m

$237

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 10/1

5:50 pm-11:30 pm

1 stop6h 40m

Chicago O'Hare Intl

Wed 10/8

4:50 pm-8:08 pm

Nonstop2h 18m

$243

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 10/1

6:16 pm-7:49 pm

Nonstop2h 33m

Chicago O'Hare Intl

Sat 10/4

2:19 pm-5:44 pm

Nonstop2h 25m

$245

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Sat 10/4

6:05 am-7:15 am

Nonstop2h 10m

Chicago Midway

Tue 10/7

1:25 pm-4:25 pm

Nonstop2h 00m

$245

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 10/1

6:16 pm-7:49 pm

Nonstop2h 33m

Chicago O'Hare Intl

Wed 10/8

9:20 am-4:54 pm

1 stop6h 34m

$247

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 10/28

5:25 pm-10:05 pm

1 stop5h 40m

Lambert-St Louis

Tue 11/4

2:25 pm-8:35 pm

1 stop5h 10m

$249

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Sat 11/8

6:55 pm-10:20 pm

1 stop4h 25m

Moline Quad-City

Tue 11/11

5:08 pm-11:57 pm

1 stop5h 49m

$249

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Sat 10/4

11:29 am-6:35 pm

1 stop8h 06m

Chicago Midway

Tue 10/7

6:00 am-11:46 am

1 stop4h 46m

$251

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 Illinois from

How to get the cheapest flight ticket from Charleston to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Charleston is in August. Flight prices, which tend to average around $315, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $315.

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

The cheapest day to depart from Charleston to Illinois is on a Friday when prices can be found for as low as $416. Flights from Charleston to Illinois on a Monday will generally be more expensive and average around $587. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Charleston to Illinois during this time can be as low as $373. Flights in the afternoon are often more expensive with an average ticket price of $518.

What is the cheapest Charleston to Illinois flight route?

Fly from Charleston to Chicago O'Hare Intl for the best Charleston - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Charleston for as low as $293 on momondo.

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

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

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

Cheap Charleston to Illinois flight deals and tips

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

Best Price Found

$166

Fastest flight time

2h 05m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Illinois

3 airports
The best one-way flight to Illinois from Charleston in the past 72 hours is $166. The best round-trip flight deal from Charleston to Illinois found on momondo in the last 72 hours is $251.
The fastest flight from Charleston to Illinois takes 2h 05m
Direct flights go from Charleston to Illinois on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Southwest.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
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  • When did momondo last update prices for flights from Charleston Airport to Illinois?

    Prices for flights from Charleston Airport to Illinois were last updated today.

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

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

    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 Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois 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 Illinois. 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 Charleston to Illinois?

Best airlines flying from Charleston to Illinois

Compare and see reviews for airlines that fly from Charleston to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $135Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $190Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
8,939 reviews
Search United Airlines flights
DeltaPriceFrom $368Free CancellationRating
7.9
7,977 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Charleston to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Charleston.

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

Yes. momondo allows you to filter the results for Charleston to Illinois flights to just show those with flexible booking policies.

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

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 Illinois from Charleston.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Charleston and alert you when they change.

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