HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$55+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
nov. 19 — nov. 261
mer. 11/19
mer. 11/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 octobre 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
jeu. 11/67:05 amCHS - MDW
2 stops12h 34mMultiple Airlines
jeu. 11/136:26 pmMDW - CHS
1 stop12h 30mMultiple Airlines
Deal found 10/19$227
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
dim. 11/26:11 pmCHS - ORD
1 stop20h 15mMultiple Airlines
dim. 11/911:43 amORD - CHS
2 stops28h 23mMultiple Airlines
Deal found 10/19$229
This Kiwi.com deal was found by Cheapflights users on 10/19. 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.
mer. 10/297:55 pmCHS - MDW
2 stops23h 44mMultiple Airlines
lun. 11/36:06 pmMDW - CHS
1 stop14h 22mMultiple Airlines
Deal found 10/19$230
This Mytrip deal was found by Cheapflights users on 10/18. 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.
sam. 11/228:31 amCHS - ORD
1 stop5h 25mSpirit Airlines
ven. 11/285:00 amORD - CHS
1 stop16h 05mSpirit Airlines
Deal found 10/18$230
This Mytrip deal was found by Cheapflights users on 10/20. 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.
ven. 11/216:50 amCHS - ORD
2 stops17h 16mSpirit Airlines
dim. 11/234:51 pmORD - CHS
1 stop13h 35mSpirit Airlines
Deal found 10/20$231
This Kiwi.com deal was found by Cheapflights users on 10/18. 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.
sam. 11/89:02 amCHS - ORD
1 stop5h 24mMultiple Airlines
dim. 11/92:11 pmORD - CHS
1 stop16h 23mMultiple Airlines
Deal found 10/18$235
This Mytrip deal was found by Cheapflights users on 10/19. 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.
mer. 10/297:55 pmCHS - ORD
1 stop15h 18mSpirit Airlines
lun. 11/311:02 amORD - CHS
3 stops29h 04mSpirit Airlines
Deal found 10/19$236
This Mytrip deal was found by Cheapflights users on 10/18. 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.
lun. 11/177:00 amCHS - ORD
3 stops32h 51mSpirit Airlines
lun. 11/245:00 amORD - CHS
1 stop16h 05mSpirit Airlines
Deal found 10/18$239
This Mytrip deal was found by Cheapflights users on 10/18. 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.
mar. 11/256:50 amCHS - ORD
1 stop14h 37mSpirit Airlines
ven. 11/286:48 amORD - CHS
2 stops9h 30mSpirit Airlines
Deal found 10/18$240
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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.
lun. 10/277:15 pmCHS - ORD
1 stop6h 48mSpirit Airlines
mer. 10/297:43 pmORD - CHS
1 stop12h 23mSpirit Airlines
Deal found 10/20$242
This Kiwi.com deal was found by Cheapflights users on 10/20. 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. 12/16:13 pmCHS - MDW
1 stop19h 48mMultiple Airlines
dim. 12/78:05 amMDW - CHS
2 stops13h 38mMultiple Airlines
Deal found 10/20$243
This Southwest deal was found by Cheapflights users on 10/19. 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.
mer. 12/1010:35 amCHS - MDW
1 stop4h 10mSouthwest
dim. 12/141:40 pmMDW - CHS
Nonstop2h 00mSouthwest
Deal found 10/19$245

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 octobre 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$55
(Spirit)

Popular in

December

Cheapest in

August

Average price

$349

Good round-trip deal

$296 or less

Good one-way deal

$187 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. 11% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 octobre 20, 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

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

jeu. 11/6

7:05 am-6:39 pm

2 stops12h 34m

Chicago Midway

jeu. 11/13

6:26 pm-7:56 am

1 stop12h 30m

$227

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

mer. 10/29

7:55 pm-6:39 pm

2 stops23h 44m

Chicago Midway

lun. 11/3

6:06 pm-9:28 am

1 stop14h 22m

$230

CharlestonChicago

CHS - ORD

CHSORD

Charleston

ven. 11/21

6:50 am-11:06 pm

2 stops17h 16m

Chicago O'Hare Intl

dim. 11/23

4:51 pm-7:26 am

1 stop13h 35m

$231

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

mer. 12/10

10:35 am-1:45 pm

1 stop4h 10m

Chicago Midway

dim. 12/14

1:40 pm-4:40 pm

Nonstop2h 00m

$245

CharlestonPeoria

CHS - PIA

CHSPIA

Charleston

mar. 11/25

6:15 am-10:16 am

1 stop5h 01m

Greater Peoria

ven. 11/28

6:45 am-1:55 pm

1 stop6h 10m

$249

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

sam. 11/8

6:55 pm-10:20 pm

1 stop4h 25m

Moline Quad-City

mer. 11/12

5:12 pm-11:57 pm

1 stop5h 45m

$249

CharlestonChicago

CHS - ORD

CHSORD

Charleston

sam. 11/8

9:02 am-1:26 pm

1 stop5h 24m

Chicago O'Hare Intl

dim. 11/9

10:52 am-10:42 pm

1 stop10h 50m

$252

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

sam. 11/8

4:15 pm-11:55 pm

2 stops8h 40m

Moline Quad-City

mer. 11/12

6:18 am-1:17 pm

1 stop5h 59m

$254

CharlestonPeoria

CHS - PIA

CHSPIA

Charleston

mar. 11/4

6:15 am-12:39 pm

1 stop7h 24m

Greater Peoria

sam. 11/8

10:51 am-7:23 pm

1 stop7h 32m

$259

CharlestonChicago

CHS - ORD

CHSORD

Charleston

dim. 11/16

6:11 pm-11:06 pm

3 stops29h 55m

Chicago O'Hare Intl

dim. 11/23

4:51 pm-7:26 am

1 stop13h 35m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 60 results
1
2
3
...
6

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 $228). 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 octobre 20, 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 27% 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 octobre 20, 2025.

The most flights from CHS to USIL are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 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 octobre 20, 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
4,239 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
4,239 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
7,978 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
8,991 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
11,024 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

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
8,095 reviews
Southwest
8.0
Very good
4,239 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

8.0

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 4h 10m. Spirit Airlines provides one of the quickest options available for as low as $245. The distance between Charleston and Illinois is about 745 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $64. United Airlines flights start at $73 while deals on Frontier start at $84 one-way.

  • 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 (87%) or Air Canada (83%) 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 $1,825 for a flight from Charleston to Illinois. The cheapest flight overall is $138 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $128.

  • 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 $228). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Charleston to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to John F Kennedy Intl flights
Charlotte to Newark flights
Charlotte to LaGuardia flights
Charlotte to Dallas/Fort Worth flights
Charlotte to Las Vegas flights
Charlotte to Denver flights
Charlotte to Orlando flights
Charlotte to Hobby flights
Charlotte to Boston flights
Charlotte to O'Hare Intl flights
Charleston to John F Kennedy Intl flights
Charleston to Newark flights
Charlotte to George Bush Intcntl flights
Charlotte to Dulles Intl flights
Charlotte to Fort Lauderdale flights
Charlotte to Sky Harbor Intl flights
Charlotte to Miami flights
Savannah to John F Kennedy Intl flights
Savannah to Newark flights
Charlotte to Los Angeles flights
Charlotte to Philadelphia flights
Greenville to Newark flights
Charlotte to Love Field flights
Greenville to John F Kennedy Intl flights
Greenville to LaGuardia flights
Charleston to Fort Lauderdale flights
Charlotte to Seattle flights
Charleston to O'Hare Intl flights
Charlotte to Baltimore flights
Charlotte to Detroit flights
Charlotte to Austin flights
Charlotte to Reagan-National flights
Charlotte to Salt Lake City flights
Savannah to LaGuardia flights
Charlotte to Nashville flights
Charlotte to Honolulu flights
Myrtle Beach to Newark flights
Charlotte to San Francisco flights
Charlotte to Tampa flights
Charleston to LaGuardia flights
Charlotte to Minneapolis flights
Charleston to Miami flights
Charleston to Denver flights
Charleston to Las Vegas flights
Myrtle Beach to LaGuardia flights
Charleston to Dulles Intl flights
Myrtle Beach to John F Kennedy Intl flights
Charleston to Hobby flights
Greenville to Denver flights
Charlotte to New Orleans flights

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 octobre 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$135Average$351FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$377FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$251Average$419FlexibilityNo cancel feeOn-time69%
DeltaCheapest$368Average$628FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.