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$91+ Cheap flights from Illinois to Charleston (CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHS
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Illinois to Charleston

Keep the following information in mind while searching for Illinois to Charleston flight deals. Data was last updated julio 31, 2025.

Round-trip from

$199
(United Airlines)

One-way from

$78
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$359

Good round-trip deal

$222 or less

Good one-way deal

$143 or less
From Illinois to Charleston
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One-way flight from Illinois to Charleston
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Highest demand for flights based on searches. 12% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Illinois to Charleston.
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Price to beat on a one-way flight from Illinois to Charleston.
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Find flight deals from Illinois to Charleston

Cheapest flights from Illinois to Charleston
Explore the most affordable flight options available from Illinois to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/1810:26 amORD - CHS
1 stop7h 46mSpirit Airlines
vie. 8/228:17 pmCHS - ORD
1 stop15h 14mSpirit Airlines
Deal found 7/29$198
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/217:10 amORD - CHS
Nonstop2h 25mUnited Airlines
vie. 10/245:50 pmCHS - ORD
1 stop6h 40mUnited Airlines
Deal found 7/29$199
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/206:00 pmORD - CHS
1 stop4h 48mDelta
mar. 9/237:10 amCHS - ORD
1 stop6h 25mDelta
Deal found 7/31$201
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/146:00 amMDW - CHS
1 stop6h 25mDelta
mar. 11/44:24 pmCHS - MDW
1 stop6h 50mDelta
Deal found 7/29$201
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/147:10 amORD - CHS
1 stop6h 41mAmerican Airlines
mar. 10/211:42 pmCHS - ORD
Nonstop2h 29mAmerican Airlines
Deal found 7/28$203
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/206:05 pmMDW - CHS
Nonstop2h 10mSouthwest
lun. 8/257:35 pmCHS - MDW
1 stop4h 15mSouthwest
Deal found 7/29$203
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/151:50 pmORD - CHS
1 stop5h 45mSouthwest
lun. 10/206:15 amCHS - ORD
1 stop11h 10mSouthwest
Deal found 7/31$218
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/277:10 amSTL - CHS
1 stop3h 38mDelta
sáb. 10/48:02 amCHS - STL
1 stop5h 19mDelta
Deal found 7/31$227
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/165:25 amORD - CHS
1 stop11h 50mMultiple Airlines
dom. 10/1910:30 amCHS - ORD
1 stop8h 25mMultiple Airlines
Deal found 7/29$229
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/277:23 amSTL - CHS
2 stops8h 13mAmerican Airlines
sáb. 10/45:26 pmCHS - STL
1 stop6h 41mAmerican Airlines
Deal found 7/29$232
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/68:20 amSTL - CHS
2 stops7h 20mSouthwest
mié. 9/101:05 pmCHS - STL
2 stops7h 55mSouthwest
Deal found 7/29$247
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/155:06 pmMLI - CHS
1 stop4h 59mAmerican Airlines
sáb. 10/187:30 amCHS - MLI
1 stop4h 29mAmerican Airlines
Deal found 7/31$249

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated julio 31, 2025.
Use the filters below to find and compare flights from Illinois to Charleston that are best for you.

Fly from

Illinois

Fly to

Charleston

Route

Depart

Return

Price

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

lun. 8/18

10:26 am-7:12 pm

1 stop7h 46m

Charleston

vie. 8/22

8:17 pm-10:31 am

1 stop15h 14m

$198

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

mar. 10/21

7:10 am-10:35 am

Nonstop2h 25m

Charleston

vie. 10/24

5:50 pm-11:30 pm

1 stop6h 40m

$199

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

sáb. 9/20

6:00 pm-11:48 pm

1 stop4h 48m

Charleston

mar. 9/23

7:10 am-12:35 pm

1 stop6h 25m

$201

ChicagoCharleston

MDW - CHS

MDWCHS

Chicago Midway

mar. 10/14

6:00 am-1:25 pm

1 stop6h 25m

Charleston

mar. 11/4

4:24 pm-10:14 pm

1 stop6h 50m

$201

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

mar. 10/14

7:10 am-2:51 pm

1 stop6h 41m

Charleston

mar. 10/21

1:42 pm-3:11 pm

Nonstop2h 29m

$203

ChicagoCharleston

MDW - CHS

MDWCHS

Chicago Midway

mié. 8/20

6:05 pm-9:15 pm

Nonstop2h 10m

Charleston

lun. 8/25

7:35 pm-10:50 pm

1 stop4h 15m

$203

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

mié. 10/15

1:50 pm-8:35 pm

1 stop5h 45m

Charleston

lun. 10/20

6:15 am-4:25 pm

1 stop11h 10m

$218

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

sáb. 9/27

7:10 am-11:48 am

1 stop3h 38m

Charleston

sáb. 10/4

8:02 am-12:21 pm

1 stop5h 19m

$227

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

jue. 10/16

5:25 am-6:15 pm

1 stop11h 50m

Charleston

dom. 10/19

10:30 am-5:55 pm

1 stop8h 25m

$229

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

sáb. 9/27

6:10 am-1:39 pm

2 stops6h 29m

Charleston

sáb. 10/4

10:57 am-4:15 pm

1 stop6h 18m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 45 results
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Best time to book a flight from Illinois to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Charleston

What is the cheapest month to book a flight from Illinois to Charleston?

Currently, August is the cheapest month in which you can book a flight from Illinois to Charleston (average of $217). Flying from Illinois to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to CHS?

Find hourly flight availability from Illinois to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Charleston as you normally would.

Weekly flight availability from Illinois to Charleston

Explore weekly flight availability from Illinois to Charleston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 31, 2025.

The most flights from USIL to CHS are scheduled on a Thursday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated julio 31, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and Breeze Airways from Illinois to Charleston by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Breeze Airways
8.0
Very good
191 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Charleston from Illinois?

    Charleston (CHS), located 10.2 mi from the city center, is the airport you fly into when you book flights from Illinois to Charleston.

  • What are the cheapest airlines to fly from Illinois to Charleston one-way?

    $78 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $91 and $91, respectively.

  • What are the most popular routes from Illinois to Charleston?

    The most popular flight routes from Illinois to Charleston are Chicago O'Hare Intl - Charleston, Chicago Midway - Charleston and Lambert-St Louis - Charleston.

  • What are the most reliable airlines from Illinois to Charleston?

    Before booking your flight to Charleston from Illinois, check out the most reliable airlines to get you to your destination on time: Republic Airways (98%), Alaska Airlines (90%), American Airlines( 87%).

  • What are the cheapest flights from Illinois to Charleston?

    On average you can expect to pay $268 for a flight from Illinois to Charleston. The cheapest flight overall is $90 while the most popular route, (Chicago O'Hare Intl - Charleston) is currently priced at $177.

  • Can I find deals for flights from Illinois to Charleston that include hotel bookings?

    Yes. In addition to deals on Illinois to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Charleston.

  • Can I find deals for business class flights from Illinois to Charleston?

    Yes. Cheapflights offers flight deals from Illinois to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Charleston?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Charleston (average of $217). Flying from Illinois to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Santee
Edisto Beach

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Alternative routes for Illinois to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Charleston flights
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Miami to Charlotte flights
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Newark to Greenville flights
Baltimore to Charleston flights
Dulles Intl to Greenville flights
Philadelphia to Charlotte flights
Reagan-National to Savannah flights
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Dulles Intl to Savannah flights

Top 5 airlines flying from Illinois to Charleston

Discover the top 5 airlines that operate flights from Illinois to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$124Average$199FlexibilityNo cancel feeOn-time65%
DeltaCheapest$149Average$382FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$384FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$221Average$372FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$257Average$360FlexibilityNo cancel feeOn-time63%

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