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$76+ Cheap flights from Charleston (CHS) to Illinois

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Charleston to Illinois

Keep the following information in mind while searching for Charleston to Illinois flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$159
(American Airlines)

One-way from

$76
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$352

Good round-trip deal

$299 or less

Good one-way deal

$174 or less
From Charleston to Illinois
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One-way flight from Charleston to Illinois
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Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Charleston to Illinois.
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Price to beat on a one-way flight from Charleston to Illinois.
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Find flight deals from Charleston to Illinois

Cheapest flights from Charleston to Illinois
Explore the most affordable flight options available from Charleston to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
vie. 10/247:41 pmCHS - STL
1 stop4h 24mAmerican Airlines
mar. 10/286:00 amSTL - CHS
1 stop6h 12mAmerican Airlines
Deal found 9/14$159
This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 10/227:00 amCHS - STL
1 stop6h 35mDelta
dom. 10/266:00 amSTL - CHS
1 stop7h 12mDelta
Deal found 9/15$197
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2910:10 amCHS - ORD
1 stop25h 42mSpirit Airlines
jue. 10/26:44 pmORD - CHS
1 stop13h 21mSpirit Airlines
Deal found 9/15$203
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1311:40 amCHS - MDW
1 stop13h 15mMultiple Airlines
lun. 11/176:06 pmMDW - CHS
1 stop14h 22mMultiple Airlines
Deal found 9/15$204
This KAYAK deal was found by Cheapflights users on 9/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/75:40 pmCHS - ORD
1 stop7h 02mSpirit Airlines
dom. 11/95:59 pmORD - CHS
1 stop15h 46mSpirit Airlines
Deal found 9/14$204
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/118:10 pmCHS - ORD
1 stop14h 58mMultiple Airlines
sáb. 10/187:43 pmORD - CHS
1 stop12h 23mMultiple Airlines
Deal found 9/15$205
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/142:59 pmCHS - ORD
1 stop7h 34mMultiple Airlines
dom. 10/197:43 pmORD - CHS
1 stop12h 23mMultiple Airlines
Deal found 9/15$206
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/227:55 pmCHS - ORD
2 stops21h 09mSpirit Airlines
sáb. 10/257:43 pmORD - CHS
1 stop12h 23mSpirit Airlines
Deal found 9/14$207
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/147:55 pmCHS - MDW
2 stops18h 43mMultiple Airlines
mar. 10/285:56 pmMDW - CHS
1 stop23h 45mMultiple Airlines
Deal found 9/14$208
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/165:08 pmCHS - ORD
2 stops18h 42mSpirit Airlines
dom. 10/197:43 pmORD - CHS
1 stop12h 23mSpirit Airlines
Deal found 9/15$208
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1010:11 amCHS - ORD
1 stop6h 47mMultiple Airlines
mar. 10/146:18 pmORD - CHS
1 stop19h 11mMultiple Airlines
Deal found 9/15$209
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/158:10 pmCHS - ORD
1 stop14h 58mMultiple Airlines
sáb. 10/187:43 pmORD - CHS
1 stop12h 23mMultiple Airlines
Deal found 9/15$210

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Charleston to Illinois that are best for you.

Fly from

Charleston

Fly to

Illinois

Route

Depart

Return

Price

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mié. 10/22

7:00 am-2:11 pm

1 stop8h 11m

Lambert-St Louis

mié. 10/29

10:36 am-5:35 pm

1 stop5h 59m

$159

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mié. 10/22

7:09 am-1:22 pm

1 stop7h 13m

Lambert-St Louis

dom. 10/26

6:00 am-2:12 pm

1 stop7h 12m

$197

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mar. 12/16

8:00 am-1:00 pm

1 stop6h 00m

Lambert-St Louis

mar. 12/16

5:12 pm-11:57 pm

1 stop5h 45m

$197

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mié. 10/15

7:09 am-1:22 pm

1 stop7h 13m

Lambert-St Louis

lun. 10/20

3:59 pm-10:41 pm

1 stop5h 42m

$197

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

jue. 10/30

5:35 am-10:26 am

1 stop5h 51m

Lambert-St Louis

dom. 11/2

5:00 am-10:46 am

1 stop4h 46m

$197

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

mar. 10/14

7:55 pm-1:38 pm

2 stops18h 43m

Chicago Midway

mar. 10/21

5:56 pm-6:41 pm

1 stop23h 45m

$216

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

jue. 10/30

5:08 pm-3:57 pm

2 stops23h 49m

Lambert-St Louis

dom. 11/2

10:57 am-9:01 am

1 stop21h 04m

$220

CharlestonChicago

CHS - ORD

CHSORD

Charleston

mié. 10/1

8:10 pm-10:31 am

2 stops15h 21m

Chicago O'Hare Intl

dom. 10/5

7:43 pm-9:06 am

1 stop12h 23m

$238

CharlestonChicago

CHS - ORD

CHSORD

Charleston

sáb. 11/1

7:00 am-9:16 am

1 stop27h 16m

Chicago O'Hare Intl

lun. 11/3

7:51 pm-8:37 am

1 stop11h 46m

$244

CharlestonPeoria

CHS - PIA

CHSPIA

Charleston

mié. 10/22

7:45 pm-11:21 pm

1 stop4h 36m

Greater Peoria

mié. 10/29

4:23 pm-11:08 pm

1 stop5h 45m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Charleston to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Charleston 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 Charleston to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Charleston to Illinois (average of $245). Flying from Charleston to Illinois in March is currently the most expensive (average of $321). 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 CHS to IL?

Find hourly flight availability from Charleston to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

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

Weekly flight availability from Charleston to Illinois

Explore weekly flight availability from Charleston to Illinois. 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 septiembre 16, 2025.

The most flights from CHS to USIL are scheduled on a Tuesday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated septiembre 16, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Charleston to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Charleston to Illinois. 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 from for flights from Charleston to Illinois?

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

  • How long is the flight from Charleston to Illinois?

    A quick flight from Charleston to Illinois can take about 6h 53m. American Airlines provides one of the quickest options available for as low as $281. The distance between Charleston and Illinois is about 760 mi. This flight may include one or multiple stops.

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

    Most travelers choose Charleston - Chicago O'Hare Intl, Charleston - Chicago Midway or Charleston - Lambert-St Louis when deciding on the best route from Charleston to Illinois.

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

    Consider ANA (85%), Air Canada (77%) or Air New Zealand (77%) when booking your flight. These represent the most reliable airlines when flying from Charleston to Illinois.

  • What are the cheapest flights from Charleston to Illinois?

    On average you can expect to pay $1,969 for a flight from Charleston to Illinois. The cheapest flight overall is $125 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $136.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Charleston to Illinois 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 Charleston to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Charleston to Illinois (average of $245). Flying from Charleston to Illinois in March is currently the most expensive (average of $321). 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

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Alternative routes for Charleston to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Charleston to Illinois

Discover the top 4 airlines that operate flights from Charleston to Illinois. 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$140Average$356FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$393FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$249Average$389FlexibilityNo cancel feeOn-time69%
DeltaCheapest$368Average$628FlexibilityNo cancel feeOn-timeN/A

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