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$61+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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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 November 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Thu 11/272:59 pmCHS - STL
1 stop9h 58mMultiple Airlines
Mon 12/14:13 pmSTL - CHS
1 stop15h 24mMultiple Airlines
Deal found 11/12$173
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 11/246:13 pmCHS - MDW
1 stop18h 29mMultiple Airlines
Mon 12/15:47 pmMDW - CHS
1 stop13h 50mMultiple Airlines
Deal found 11/11$204
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Fri 11/216:13 pmCHS - ORD
1 stop19h 43mMultiple Airlines
Mon 12/16:15 pmORD - CHS
1 stop13h 22mMultiple Airlines
Deal found 11/11$204
This Mytrip deal was found by Cheapflights users on 11/11. 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.
Wed 12/38:31 amCHS - ORD
1 stop5h 25mSpirit Airlines
Sun 12/77:41 pmORD - CHS
3 stops24h 13mSpirit Airlines
Deal found 11/11$206
This Frontier deal was found by Cheapflights users on 11/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:13 pmCHS - MDW
1 stop12h 00mFrontier
Sat 11/298:29 pmMDW - CHS
1 stop10h 58mFrontier
Deal found 11/11$208
This Mytrip deal was found by Cheapflights users on 11/11. 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.
Fri 12/129:49 pmCHS - ORD
2 stops15h 50mSpirit Airlines
Sun 12/145:00 amORD - CHS
1 stop14h 54mSpirit Airlines
Deal found 11/11$210
This Priceline deal was found by Cheapflights users on 11/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:43 pmCHS - ORD
1 stop8h 09mJetBlue
Wed 12/177:00 amORD - CHS
1 stop5h 47mJetBlue
Deal found 11/10$211
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 11/249:12 amCHS - MDW
1 stop9h 54mMultiple Airlines
Tue 11/256:20 amMDW - CHS
1 stop24h 06mMultiple Airlines
Deal found 11/11$212
This Cheapflightsfares deal was found by Cheapflights users on 11/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:31 amCHS - ORD
1 stop5h 25mSpirit Airlines
Fri 1/305:15 amORD - CHS
1 stop11h 21mSpirit Airlines
Deal found 11/10$212
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Sun 12/79:49 pmCHS - ORD
1 stop27h 20mMultiple Airlines
Thu 12/117:40 amORD - CHS
2 stops14h 19mMultiple Airlines
Deal found 11/10$214
This Mytrip deal was found by Cheapflights users on 11/10. 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.
Fri 11/218:31 amCHS - ORD
1 stop5h 25mSpirit Airlines
Sat 11/227:21 pmORD - CHS
1 stop11h 05mSpirit Airlines
Deal found 11/10$216
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Mon 11/243:33 pmCHS - ORD
2 stops21h 01mMultiple Airlines
Mon 12/16:15 pmORD - CHS
1 stop13h 22mMultiple Airlines
Deal found 11/11$222

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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$149
(Kiwi.com)

One-way from

$61
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$389

Good round-trip deal

$315 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Charleston-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Chicago (CHI) flights.
Search Deals
From Charleston to Illinois
Search Deals
One-way flight from Charleston to Illinois
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Charleston to Illinois.
Search Deals
Price to beat on a one-way flight from Charleston to Illinois.
Search Deals

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 November 12, 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

Thu 1/8

2:56 pm-10:33 pm

1 stop8h 37m

Lambert-St Louis

Mon 1/12

5:11 pm-8:38 am

1 stop14h 27m

$149

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 11/27

2:59 pm-11:57 pm

1 stop9h 58m

Lambert-St Louis

Mon 12/1

4:13 pm-8:37 am

1 stop15h 24m

$173

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 1/8

2:56 pm-10:33 pm

1 stop8h 37m

Lambert-St Louis

Tue 1/13

5:06 pm-3:22 pm

2 stops45h 16m

$190

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Fri 12/12

9:49 pm-12:39 pm

2 stops15h 50m

Chicago O'Hare Intl

Sun 12/14

5:00 am-8:54 pm

1 stop14h 54m

$210

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Thu 1/29

5:18 pm-10:32 pm

1 stop6h 14m

Moline Quad-City

Mon 2/2

5:06 pm-10:07 pm

1 stop4h 01m

$219

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Thu 1/29

3:16 pm-9:58 pm

1 stop7h 42m

Moline Quad-City

Mon 2/2

11:28 am-11:07 pm

2 stops10h 39m

$224

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Mon 12/8

10:51 am-7:43 pm

1 stop9h 52m

Chicago O'Hare Intl

Tue 12/9

7:00 am-1:48 pm

1 stop5h 48m

$242

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 12/11

10:51 am-7:43 pm

1 stop9h 52m

Chicago O'Hare Intl

Mon 12/15

7:00 am-1:47 pm

1 stop5h 47m

$247

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 12/11

9:49 pm-12:39 pm

2 stops15h 50m

Chicago O'Hare Intl

Sun 12/14

7:41 pm-8:54 pm

3 stops24h 13m

$248

CharlestonPeoria

CHS - PIA

CHSPIA

Charleston

Thu 12/11

6:05 am-10:09 am

1 stop5h 04m

Greater Peoria

Thu 12/18

1:20 pm-7:18 pm

1 stop4h 58m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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, April is the cheapest month in which you can book a flight from Charleston to Illinois (average of $76). Flying from Charleston to Illinois in February is currently the most expensive (average of $235). 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 November 12, 2025.

When flying from Charleston to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 25% versus a flight in the morning.

What is the cheapest day to fly from Charleston to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Charleston to Illinois. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Charleston to Illinois flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 12, 2025.

The most flights from CHS to USIL are scheduled on a Monday (21 on average). You will have fewer flight options on Sunday, 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 November 12, 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
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
7.9
Good
8,009 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
9,015 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
11,049 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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
8,139 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

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 14m. Spirit Airlines provides one of the quickest options available for as low as $219. The distance between Charleston and Illinois is about 824 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 Qatar Airways (94%), ANA (89%) or Air Canada (85%) 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 $1,772 for a flight from Charleston to Illinois. The cheapest flight overall is $136 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $141.

  • 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, April is the cheapest month in which you can book a flight from Charleston to Illinois (average of $76). Flying from Charleston to Illinois in February is currently the most expensive (average of $235). 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$135Average$367FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$361FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$354FlexibilityNo cancel feeOn-time69%
DeltaCheapest$368Average$628FlexibilityNo cancel feeOn-timeN/A

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