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

As of August 2026, there are 16 flights per day flying from Illinois to Charleston. The most common time of day flights depart is 6:00PM, with 47% of flights taking off at noon.

How long does it take to fly to Charleston?

On average, it takes 2h 01m to fly from Illinois to Charleston if you fly out of Chicago (the most popular airport in Illinois) and into Charleston (the most popular airport in Charleston). If you’re flying out of Peoria and into Charleston, then the flight time is around 4h 23m.

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

As of August 2026, there are 118 flights per week flying from Illinois to Charleston. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.

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

United Airlines, Delta, and Southwest are the most popular carriers operating from Illinois to Charleston

What airlines fly to Charleston?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Charleston from Illinois according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 5 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.

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?

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

$98 Cheap Flights from Illinois to Charleston in 2026

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Find the cheapest flights from Illinois to Charleston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:40 pm - 4:40 pm

STL

CHS

2h 00mnonstop

10:45 am - 4:25 pm

CHS

STL

6h 40m

1 stop

$222Southwest

Sat, Sep 19 - Tue, Sep 22

3:54 pm - 9:35 pm

STL

CHS

4h 41m

1 stop

6:30 am - 9:09 am

CHS

STL

3h 39m

1 stop

$227Delta

Sat, Oct 3 - Thu, Oct 8

12:49 pm - 6:15 pm

STL

CHS

4h 26m

1 stop

12:16 pm - 4:43 pm

CHS

STL

5h 27m

1 stop

$227American Airlines

Sat, Oct 31 - Tue, Nov 3

7:27 am - 1:15 pm

STL

CHS

4h 48m

1 stop

2:05 pm - 8:44 pm

CHS

STL

7h 39m

1 stop

$227American Airlines

Sat, Sep 19 - Tue, Sep 22

10:14 am - 3:15 pm

STL

CHS

4h 01m

1 stop

7:10 pm - 11:54 pm

CHS

STL

5h 44m

1 stop

$227Delta

Tue, Oct 6 - Tue, Oct 13

5:02 pm - 8:38 am

STL

CHS

14h 36m

1 stop

8:56 pm - 5:22 pm

CHS

STL

21h 26m

2 stops

$229Multiple Airlines

Sat, Aug 29 - Sat, Sep 5

5:50 am - 1:15 pm

STL

CHS

6h 25m

2 stops

1:55 pm - 7:20 pm

CHS

STL

6h 25m

1 stop

$232Southwest

Tue, Oct 6 - Tue, Oct 13

7:05 am - 10:36 am

ORD

CHS

2h 31mnonstop

6:30 am - 8:00 am

CHS

ORD

2h 30mnonstop

$237United Airlines

Sat, Sep 5 - Sun, Sep 6

5:59 pm - 8:38 am

ORD

CHS

13h 39m

1 stop

3:13 pm - 11:08 pm

CHS

ORD

8h 55m

1 stop

$237Multiple Airlines

Wed, Aug 26 - Tue, Sep 1

8:50 am - 3:00 pm

ORD

CHS

5h 10m

1 stop

6:00 am - 9:38 am

CHS

ORD

4h 38m

1 stop

$240United Airlines

Wed, Oct 21 - Sat, Oct 24

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American Airlines flights from Illinois to Charleston

Our best American Airlines deals on Illinois to Charleston flight tickets

American Airlines

Oct 22

ORD8:40 pmChicago O'Hare Intl

2h 19m

CHS11:59 pmCharleston

Oct 26

CHS7:16 amCharleston

2h 43m

ORD8:59 amChicago O'Hare Intl

$237

American Airlines

Aug 20

ORD8:13 amChicago O'Hare Intl

2h 20m

CHS11:33 amCharleston

Aug 24

CHS7:50 pmCharleston

2h 44m

ORD9:34 pmChicago O'Hare Intl

$239

American Airlines

Oct 22

ORD8:40 pmChicago O'Hare Intl

2h 19m

CHS11:59 pmCharleston

Nov 5

CHS7:39 pmCharleston

4h 51m

1 stop

ORD11:30 pmChicago O'Hare Intl

$247

Southwest flights from Illinois to Charleston

Our best Southwest deals on Illinois to Charleston flight tickets

Southwest

Sep 19

STL1:40 pmLambert-St Louis

2h 00m

CHS4:40 pmCharleston

Sep 22

CHS10:45 amCharleston

6h 40m

1 stop

STL4:25 pmLambert-St Louis

$222

Southwest

Sep 19

STL5:15 amLambert-St Louis

9h 40m

2 stops

CHS3:55 pmCharleston

Sep 22

CHS7:20 pmCharleston

3h 55m

1 stop

STL10:15 pmLambert-St Louis

$232

Southwest

Aug 29

STL1:40 pmLambert-St Louis

2h 00m

CHS4:40 pmCharleston

Sep 5

CHS6:45 amCharleston

2h 00m

STL7:45 amLambert-St Louis

$236

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 9/19

1:40 pm-4:40 pm

Nonstop2h 00m

Charleston

Tue 9/22

10:45 am-4:25 pm

1 stop6h 40m

$222

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 10/3

3:54 pm-9:35 pm

1 stop4h 41m

Charleston

Thu 10/8

6:30 am-9:09 am

1 stop3h 39m

$227

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 10/31

12:49 pm-6:15 pm

1 stop4h 26m

Charleston

Tue 11/3

12:16 pm-4:43 pm

1 stop5h 27m

$227

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 9/19

7:27 am-1:15 pm

1 stop4h 48m

Charleston

Tue 9/22

2:05 pm-8:44 pm

1 stop7h 39m

$227

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 10/6

10:14 am-3:15 pm

1 stop4h 01m

Charleston

Tue 10/13

7:10 pm-11:54 pm

1 stop5h 44m

$227

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sat 8/29

5:02 pm-8:38 am

1 stop14h 36m

Charleston

Sat 9/5

8:56 pm-5:22 pm

2 stops21h 26m

$229

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 10/6

5:50 am-1:15 pm

2 stops6h 25m

Charleston

Tue 10/13

1:55 pm-7:20 pm

1 stop6h 25m

$232

Quickest round-trip

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Sat 9/5

7:05 am-10:36 am

Nonstop2h 31m

Charleston

Sun 9/6

6:30 am-8:00 am

Nonstop2h 30m

$237

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Wed 8/26

5:59 pm-8:38 am

1 stop13h 39m

Charleston

Tue 9/1

3:13 pm-11:08 pm

1 stop8h 55m

$237

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Wed 10/21

8:50 am-3:00 pm

1 stop5h 10m

Charleston

Sat 10/24

6:00 am-9:38 am

1 stop4h 38m

$240

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Charleston?

The cheapest month to fly to Charleston from Illinois is in September. Flight prices, which tend to average around $359, 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 $371.

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 $344. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $405.

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

The cheapest time of day to fly to Charleston is at noon when flights can be purchased for as low as $380. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $388 per ticket.

What is the cheapest Illinois to Charleston flight route?

Fly from Chicago O'Hare Intl 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 $387 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 $340 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.

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	$158
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 $158. The best round-trip flight deal from Illinois to Charleston found on momondo in the last 72 hours is $313.

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?
As of August 2026, there are 4 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Charleston is Boeing 737-800, representing 24.83% of all bookings. The subsequent popular models are Embraer 175 at 16.82%, Embraer 175 (Enhanced Winglets) at 15.02%, and Airbus A319 at 14.80%.

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
Delta	PriceFrom $168	Free Cancellation	Rating 7.8 8,483 reviews	Search Delta flights
Southwest	PriceFrom $245	Free Cancellation	Rating 8.0 4,227 reviews	Search Southwest flights
United Airlines	PriceFrom $250	Free Cancellation	Rating 7.4 10,058 reviews	Search United Airlines flights
American Airlines	PriceFrom $250	Free Cancellation	Rating 7.1 11,842 reviews	Search American Airlines flights

Folly Beach

North Charleston

Summerville

Isle of Palms

Mount Pleasant

Kiawah Island

Walterboro

Santee

Goose Creek

Edisto Island

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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Cheap flights from Illinois to Charleston from $98

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 9/28. 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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American Airlines flights from Illinois to Charleston

Our best American Airlines deals on Illinois to Charleston flight tickets

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Our best Southwest deals on Illinois to Charleston flight tickets

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How to get the cheapest flight ticket from Illinois to Charleston

What is the cheapest month to fly to Charleston?

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

What is the cheapest Illinois to Charleston flight route?

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

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

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

What airlines fly to Charleston?

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

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

How long does it take to fly to Charleston?

Cheap Illinois to Charleston flight deals and tips

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Frequently asked questions about flying 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

Traveling to a place near Charleston?

Why use momondo?

An easier way to manage your Charleston 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.

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Find better results for your trip to the United States

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

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List of cabin classes available on flights landing in Charleston. Availability may vary depending on flight origin and airline.

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