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

123 flights are operational weekly from Charleston to Illinois as of February 2026. The most popular departure day for this route is Thu, with 21% of flights per week taking off on this day.

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

Spirit Airlines, Delta, and American Airlines are the most popular carriers operating from Charleston to Illinois

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

The number of flights available between Charleston and Illinois is 17 per day as of February 2026. The most frequent departure time is 1:00PM, with 69% of daily flights leaving in the afternoon.

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 46% 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 February 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.

$53 Cheap Flights from Charleston to Illinois in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

5:00 pm - 12:40 am

CHS

ORD

8h 40m

1 stop

6:01 pm - 11:09 am

ORD

CHS

16h 08m

1 stop

$118Spirit Airlines

mar., mar. 10 - mar., mar. 17

3:26 pm - 1:00 pm

CHS

MDW

22h 34m

1 stop

7:30 am - 2:40 pm

MDW

CHS

6h 10m

1 stop

$129Multiple Airlines

mar., may. 5 - sáb., may. 9

3:35 pm - 1:00 pm

CHS

MDW

22h 25m

1 stop

7:30 am - 2:40 pm

MDW

CHS

6h 10m

1 stop

$130Multiple Airlines

mar., may. 5 - sáb., may. 9

3:26 pm - 1:00 pm

CHS

MDW

22h 34m

1 stop

7:30 am - 2:31 pm

MDW

CHS

6h 01m

1 stop

$131Multiple Airlines

mar., may. 5 - sáb., may. 9

5:00 am - 8:30 am

CHS

STL

4h 30m

1 stop

5:46 am - 11:49 am

STL

CHS

5h 03m

1 stop

$187American Airlines

mié., abr. 22 - dom., abr. 26

7:10 am - 1:50 pm

CHS

STL

7h 40m

1 stop

6:00 am - 11:39 am

STL

CHS

4h 39m

1 stop

$195American Airlines

sáb., feb. 28 - mié., mar. 4

4:55 pm - 9:08 pm

CHS

STL

5h 13m

1 stop

7:45 am - 1:55 pm

STL

CHS

5h 10m

1 stop

$197United Airlines

mar., abr. 7 - sáb., abr. 11

7:00 pm - 11:59 pm

CHS

STL

5h 59m

1 stop

6:25 am - 12:30 pm

STL

CHS

5h 05m

1 stop

$200United Airlines

mar., mar. 3 - mié., mar. 4

5:20 am - 10:34 am

CHS

STL

6h 14m

1 stop

6:50 pm - 12:22 am

STL

CHS

4h 32m

1 stop

$207Delta

mié., abr. 22 - dom., abr. 26

5:15 am - 8:18 am

CHS

STL

4h 03m

1 stop

6:00 am - 12:10 pm

STL

CHS

5h 10m

1 stop

$247Delta

vie., may. 15 - dom., may. 17

Spirit Airlines flights from Charleston to Illinois

Our best Spirit Airlines deals on Charleston to Illinois flight tickets

Spirit Airlines

Mar 10

CHS5:00 pmCharleston

8h 40m

1 stop

ORD12:40 amChicago O'Hare Intl

Mar 17

ORD6:01 pmChicago O'Hare Intl

16h 08m

1 stop

CHS11:09 amCharleston

$118

Spirit Airlines

Apr 30

CHS3:35 pmCharleston

8h 08m

1 stop

ORD10:43 pmChicago O'Hare Intl

May 5

ORD4:47 pmChicago O'Hare Intl

14h 53m

1 stop

CHS8:40 amCharleston

$133

Spirit Airlines

Mar 10

CHS5:00 pmCharleston

8h 40m

1 stop

ORD12:40 amChicago O'Hare Intl

Mar 11

ORD6:51 pmChicago O'Hare Intl

15h 18m

1 stop

CHS11:09 amCharleston

$135

Delta flights from Charleston to Illinois

Our best Delta deals on Charleston to Illinois flight tickets

Delta

Apr 22

CHS5:20 amCharleston

6h 14m

1 stop

STL10:34 amLambert-St Louis

Apr 26

STL6:50 pmLambert-St Louis

4h 32m

1 stop

CHS12:22 amCharleston

$207

Delta

May 15

CHS5:15 amCharleston

4h 03m

1 stop

STL8:18 amLambert-St Louis

May 17

STL6:00 amLambert-St Louis

5h 10m

1 stop

CHS12:10 pmCharleston

$247

Delta

Jul 14

CHS10:30 amCharleston

6h 28m

1 stop

STL3:58 pmLambert-St Louis

Jul 16

STL5:30 pmLambert-St Louis

4h 26m

1 stop

CHS10:56 pmCharleston

$258

Fly from

Fly to

Route

Depart

Return

Price

CharlestonChicago

CHS - ORD

CHSORD

Charleston

mar. 3/10

5:00 pm-12:40 am

1 stop8h 40m

Chicago O'Hare Intl

mar. 3/17

6:01 pm-11:09 am

1 stop16h 08m

$118

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

mar. 5/5

3:26 pm-1:00 pm

1 stop22h 34m

Chicago Midway

sáb. 5/9

7:30 am-2:40 pm

1 stop6h 10m

$129

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

mar. 5/5

3:35 pm-1:00 pm

1 stop22h 25m

Chicago Midway

sáb. 5/9

7:30 am-2:40 pm

1 stop6h 10m

$130

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

mar. 5/5

3:26 pm-1:00 pm

1 stop22h 34m

Chicago Midway

sáb. 5/9

7:30 am-2:31 pm

1 stop6h 01m

$131

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mié. 4/22

5:00 am-8:30 am

1 stop4h 30m

Lambert-St Louis

dom. 4/26

5:46 am-11:49 am

1 stop5h 03m

$187

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

sáb. 2/28

7:10 am-1:50 pm

1 stop7h 40m

Lambert-St Louis

mié. 3/4

6:00 am-11:39 am

1 stop4h 39m

$195

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mar. 4/7

4:55 pm-9:08 pm

1 stop5h 13m

Lambert-St Louis

sáb. 4/11

7:45 am-1:55 pm

1 stop5h 10m

$197

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mar. 3/3

7:00 pm-11:59 pm

1 stop5h 59m

Lambert-St Louis

mié. 3/4

6:25 am-12:30 pm

1 stop5h 05m

$200

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mié. 4/22

5:20 am-10:34 am

1 stop6h 14m

Lambert-St Louis

dom. 4/26

6:50 pm-12:22 am

1 stop4h 32m

$207

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

vie. 5/15

5:15 am-8:18 am

1 stop4h 03m

Lambert-St Louis

dom. 5/17

6:00 am-12:10 pm

1 stop5h 10m

$247

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 August. Flight prices, which tend to average around $284, 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 $294.

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 $402. Flights from Charleston to Illinois on a Monday will generally be more expensive and average around $657. 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 $379. Flights at noon are often more expensive with an average ticket price of $595.

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 $360 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.

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?

You could potentially save up to 12% 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	$177
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Charleston in the past 72 hours is $177. The best round-trip flight deal from Charleston to Illinois found on momondo in the last 72 hours is $316.

The fastest flight from Charleston to Illinois takes 2h 10m

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

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 February 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 Embraer 175, representing 19.07% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 16.83%, Boeing 737-800 at 13.32%, and Boeing 737-700 at 12.76%.

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 7.2 11,279 reviews	Search American Airlines flights
Southwest	PriceFrom $190	Free Cancellation	Rating 8.0 4,283 reviews	Search Southwest flights
United Airlines	PriceFrom $198	Free Cancellation	Rating 7.4 9,284 reviews	Search United Airlines flights
Delta	PriceFrom $233	Free Cancellation	Rating 7.9 8,196 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

dom. 3/15

dom. 3/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities

Other flights from Charleston

Other flights to Illinois

Airlines

Complete your trip

Feeling lucky

Popular cities in Illinois

Flights to New Yorkfrom $52

Flights to Los Angelesfrom $49

Flights to Miamifrom $43

Flights to Chicagofrom $55

Flights to Orlandofrom $51

Flights to San Franciscofrom $55

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $25

Flights to Bostonfrom $69

Flights to Atlantafrom $49

Flights to Dallasfrom $54

Flights to Seattlefrom $69

Cheap flights from Charleston to Illinois from $53

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 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Charleston to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Charleston to Illinois

Our best Spirit Airlines deals on Charleston to Illinois flight tickets

Delta flights from Charleston to Illinois

Our best Delta deals on Charleston to Illinois flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Charleston to Illinois that are best for you.

See travel insights to Illinois from

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 to Illinois?

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

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

Best airlines flying from Charleston to Illinois

Compare and see reviews for airlines that fly from Charleston to Illinois with momondo

Why use momondo?

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

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

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

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

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

Popular flights according to clicks in the last 7 days on momondo

Charleston flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Illinois

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Illinois

Explore popular destinations other users love

According to popular flight searches on momondo this year