How many flights depart from Charleston to Illinois on average per week?

130 flights are operational weekly from Charleston to Illinois as of May 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

How many flights depart from Charleston to Illinois on average per day?

The number of flights available between Charleston and Illinois is 18 per day as of May 2026. The most frequent departure time is 6:00PM, with 48% of daily flights leaving in the afternoon.

What is the cheapest airline that flies from Charleston to Illinois?

Southwest, Delta, and Allegiant Air are the most popular carriers operating from Charleston to Illinois

What airlines fly to Illinois?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Charleston according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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?

As of May 2026, there are 4 operators available to choose from 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.

$112 Cheap Flights from Charleston to Illinois in 2026

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Find the cheapest flights from Charleston to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:13 pm - 11:59 pm

CHS

STL

9h 46m

1 stop

4:10 pm - 8:38 am

STL

CHS

15h 28m

1 stop

$223Multiple Airlines

Tue, Aug 4 - Mon, Aug 24

3:13 pm - 11:59 pm

CHS

STL

9h 46m

1 stop

5:33 pm - 4:01 pm

STL

CHS

21h 28m

2 stops

$234Multiple Airlines

Tue, Aug 4 - Wed, Aug 26

1:50 pm - 3:00 pm

CHS

STL

2h 10mnonstop

3:15 pm - 6:15 pm

STL

CHS

2h 00mnonstop

$237Southwest

Tue, Jun 30 - Wed, Jul 8

6:10 am - 11:15 am

CHS

STL

6h 05m

1 stop

3:15 pm - 6:15 pm

STL

CHS

2h 00mnonstop

$247Southwest

Tue, Jun 30 - Wed, Jul 8

5:10 am - 10:16 am

CHS

MLI

6h 06m

1 stop

11:08 am - 6:59 pm

MLI

CHS

6h 51m

1 stop

$261Delta

Wed, Jun 17 - Wed, Jun 24

10:52 am - 6:22 pm

CHS

MLI

8h 30m

2 stops

6:00 am - 11:33 am

MLI

CHS

4h 33m

1 stop

$266American Airlines

Wed, Jun 17 - Wed, Jun 24

7:37 pm - 9:30 pm

CHS

ORD

2h 53mnonstop

6:57 pm - 10:09 pm

ORD

CHS

2h 12mnonstop

$274American Airlines

Wed, Aug 12 - Mon, Aug 17

4:30 pm - 9:46 pm

CHS

MDW

6h 16m

1 stop

10:35 am - 3:40 pm

MDW

CHS

4h 05m

1 stop

$277Delta

Wed, Sep 2 - Tue, Sep 8

5:45 am - 12:22 pm

CHS

MLI

7h 37m

2 stops

7:10 am - 1:58 pm

MLI

CHS

5h 48m

1 stop

$330United Airlines

Thu, Aug 13 - Sun, Aug 23

8:14 am - 12:22 pm

CHS

MLI

5h 08m

1 stop

6:00 am - 1:58 pm

MLI

CHS

6h 58m

1 stop

$341United Airlines

Wed, Aug 26 - Sat, Aug 29

United Airlines flights from Charleston to Illinois

Our best United Airlines deals on Charleston to Illinois flight tickets

United Airlines

Jun 3

CHS3:08 pmCharleston

2h 46m

ORD4:54 pmChicago O'Hare Intl

Jun 6

ORD6:25 pmChicago O'Hare Intl

2h 26m

CHS9:51 pmCharleston

$324

United Airlines

Aug 13

CHS5:45 amCharleston

7h 37m

2 stops

MLI12:22 pmMoline Quad-City

Aug 23

MLI7:10 amMoline Quad-City

5h 48m

1 stop

CHS1:58 pmCharleston

$330

United Airlines

Jun 9

CHS7:47 pmCharleston

4h 39m

1 stop

ORD11:26 pmChicago O'Hare Intl

Jun 14

ORD6:25 pmChicago O'Hare Intl

2h 26m

CHS9:51 pmCharleston

$333

Southwest flights from Charleston to Illinois

Our best Southwest deals on Charleston to Illinois flight tickets

Southwest

Jun 30

CHS1:50 pmCharleston

2h 10m

STL3:00 pmLambert-St Louis

Jul 8

STL3:15 pmLambert-St Louis

2h 00m

CHS6:15 pmCharleston

$237

Southwest

Jun 30

CHS6:10 amCharleston

6h 05m

1 stop

STL11:15 amLambert-St Louis

Jul 8

STL3:15 pmLambert-St Louis

2h 00m

CHS6:15 pmCharleston

$247

Southwest

Jun 30

CHS10:45 amCharleston

8h 40m

2 stops

STL6:25 pmLambert-St Louis

Jul 8

STL3:15 pmLambert-St Louis

2h 00m

CHS6:15 pmCharleston

$252

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 8/4

3:13 pm-11:59 pm

1 stop9h 46m

Lambert-St Louis

Mon 8/24

4:10 pm-8:38 am

1 stop15h 28m

$223

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 8/4

3:13 pm-11:59 pm

1 stop9h 46m

Lambert-St Louis

Wed 8/26

5:33 pm-4:01 pm

2 stops21h 28m

$234

Quickest round-trip

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 6/30

1:50 pm-3:00 pm

Nonstop2h 10m

Lambert-St Louis

Wed 7/8

3:15 pm-6:15 pm

Nonstop2h 00m

$237

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 6/30

6:10 am-11:15 am

1 stop6h 05m

Lambert-St Louis

Wed 7/8

3:15 pm-6:15 pm

Nonstop2h 00m

$247

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Wed 6/17

5:10 am-10:16 am

1 stop6h 06m

Moline Quad-City

Wed 6/24

11:08 am-6:59 pm

1 stop6h 51m

$261

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Wed 6/17

10:52 am-6:22 pm

2 stops8h 30m

Moline Quad-City

Wed 6/24

6:00 am-11:33 am

1 stop4h 33m

$266

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 8/12

7:37 pm-9:30 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 8/17

6:57 pm-10:09 pm

Nonstop2h 12m

$274

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Wed 9/2

4:30 pm-9:46 pm

1 stop6h 16m

Chicago Midway

Tue 9/8

10:35 am-3:40 pm

1 stop4h 05m

$277

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Thu 8/13

5:45 am-12:22 pm

2 stops7h 37m

Moline Quad-City

Sun 8/23

7:10 am-1:58 pm

1 stop5h 48m

$330

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Wed 8/26

8:14 am-12:22 pm

1 stop5h 08m

Moline Quad-City

Sat 8/29

6:00 am-1:58 pm

1 stop6h 58m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Charleston is in September. Flight prices, which tend to average around $104, 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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $120.

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 $403. Flights from Charleston to Illinois on a Monday will generally be more expensive and average around $692. 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 $410. Flights at noon are often more expensive with an average ticket price of $525.

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 from Charleston 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 $365 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 $268 on momondo.

Can stopping save me money on Charleston to Illinois flights?

You could potentially save up to 37% on your flight if you consider stops on a Charleston to Illinois flight.

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	$191
Fastest flight time	2h 05m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Charleston in the past 72 hours is $191. The best round-trip flight deal from Charleston to Illinois found on momondo in the last 72 hours is $353.

The fastest flight from Charleston to Illinois takes 2h 05m

Direct flights go from Charleston to Illinois every day.

There are 98 airports in Illinois. From Charleston there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

Frequently asked questions about flying from Charleston to Illinois

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?
As of May 2026, there are 4 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Charleston to Illinois is Boeing 737-800, representing 19.19% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 16.64%, Embraer 175 at 15.99%, and Airbus A319 at 11.70%.

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 Airlines	PriceFrom $135	Free Cancellation	Rating 7.1 11,648 reviews	Search American Airlines flights
Delta	PriceFrom $166	Free Cancellation	Rating 7.9 8,447 reviews	Search Delta flights
Southwest	PriceFrom $190	Free Cancellation	Rating 7.9 4,287 reviews	Search Southwest flights
United Airlines	PriceFrom $237	Free Cancellation	Rating 7.4 9,737 reviews	Search United Airlines 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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Popular cities in Illinois

Flights to New Yorkfrom $83

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Flights to Chicagofrom $60

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $48

Flights to Washington, D.C.from $56

Flights to Bostonfrom $74

Flights to Atlantafrom $54

Flights to Fort Lauderdalefrom $55

Flights to Dallasfrom $88

Cheap flights from Charleston to Illinois from $112

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 8/13. 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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How to get the cheapest flight ticket from Charleston to Illinois

What is the cheapest month to fly to Illinois?

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

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

What is the cheapest Charleston to Illinois flight route?

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

Can stopping save me money on Charleston to Illinois flights?

What is the cheapest airline that flies from Charleston to Illinois?

What airlines fly to Illinois?

How many flights depart from Charleston to Illinois on average per day?

How many flights depart from Charleston to Illinois on average per week?

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

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

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