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$70+ 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 26 — Jan 21
Fri 12/26
Fri 1/2
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 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
Tue 12/92:59 pmCHS - STL
1 stop8h 34mMultiple Airlines
Sat 12/133:30 pmSTL - CHS
1 stop16h 07mMultiple Airlines
Deal found 11/24$221
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
Sat 12/1311:55 amCHS - STL
2 stops22h 52mMultiple Airlines
Mon 12/159:54 amSTL - CHS
1 stop21h 43mMultiple Airlines
Deal found 11/24$230
This Delta deal was found by Cheapflights users on 11/25. 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.
Tue 12/1612:51 pmCHS - MLI
1 stop4h 28mDelta
Sun 1/44:58 pmMLI - CHS
1 stop3h 52mDelta
Deal found 11/25$249
This Delta deal was found by Cheapflights users on 11/25. 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.
Mon 12/156:31 pmCHS - MLI
1 stop5h 02mDelta
Sun 1/44:58 pmMLI - CHS
1 stop3h 52mDelta
Deal found 11/25$264
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Wed 12/104:38 pmCHS - PIA
1 stop5h 53mUnited Airlines
Sun 12/141:15 pmPIA - CHS
1 stop5h 15mUnited Airlines
Deal found 11/25$279
This Delta deal was found by Cheapflights users on 11/25. 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.
Wed 12/1010:40 amCHS - MLI
1 stop6h 39mDelta
Sun 12/146:00 amMLI - CHS
1 stop4h 45mDelta
Deal found 11/25$279
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Wed 12/106:00 amCHS - MLI
2 stops10h 21mUnited Airlines
Sun 12/141:00 pmMLI - CHS
1 stop5h 30mUnited Airlines
Deal found 11/25$284
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 12/53:33 pmCHS - MDW
1 stop8h 06mMultiple Airlines
Mon 12/83:10 pmMDW - CHS
1 stop16h 27mMultiple Airlines
Deal found 11/25$287
This United Airlines deal was found by Cheapflights users on 11/24. 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.
Thu 12/2511:40 amCHS - ORD
Nonstop2h 29mUnited Airlines
Thu 1/18:51 amORD - CHS
1 stop5h 31mUnited Airlines
Deal found 11/24$289
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Tue 12/28:31 amCHS - MDW
1 stop5h 30mMultiple Airlines
Fri 12/512:18 pmMDW - CHS
2 stops25h 11mMultiple Airlines
Deal found 11/25$291
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
Wed 12/179:08 pmCHS - STL
2 stops26h 25mMultiple Airlines
Sat 1/105:11 pmSTL - CHS
1 stop14h 27mMultiple Airlines
Deal found 11/25$292
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 12/42:59 pmCHS - MDW
1 stop7h 59mMultiple Airlines
Mon 12/83:10 pmMDW - CHS
1 stop16h 27mMultiple Airlines
Deal found 11/24$294

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 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$176
(Kiwi.com)

One-way from

$70
(Cheapflightsfares)

Popular in

February

Cheapest in

August

Average price

$391

Good round-trip deal

$332 or less

Good one-way deal

$186 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 ($5 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 26, 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 1/22

3:11 pm-10:23 am

2 stops20h 12m

Lambert-St Louis

Mon 1/26

5:42 pm-8:38 am

1 stop13h 56m

$176

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 12/13

11:55 am-9:47 am

2 stops22h 52m

Lambert-St Louis

Mon 12/15

9:54 am-8:37 am

1 stop21h 43m

$230

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Tue 12/16

12:51 pm-4:19 pm

1 stop4h 28m

Moline Quad-City

Sun 1/4

4:58 pm-9:50 pm

1 stop3h 52m

$249

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Thu 12/18

6:31 pm-10:33 pm

1 stop5h 02m

Moline Quad-City

Sun 1/4

4:58 pm-9:50 pm

1 stop3h 52m

$249

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Wed 12/17

12:51 pm-4:19 pm

1 stop4h 28m

Moline Quad-City

Sun 1/4

4:58 pm-9:50 pm

1 stop3h 52m

$249

CharlestonPeoria

CHS - PIA

CHSPIA

Charleston

Wed 12/10

4:38 pm-9:31 pm

1 stop5h 53m

Greater Peoria

Sun 12/14

1:15 pm-7:30 pm

1 stop5h 15m

$279

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Wed 12/10

6:00 am-3:21 pm

2 stops10h 21m

Moline Quad-City

Sun 12/14

1:00 pm-7:30 pm

1 stop5h 30m

$284

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 4/30

11:40 am-7:26 pm

1 stop8h 46m

Chicago O'Hare Intl

Mon 5/4

10:35 am-7:05 pm

1 stop7h 30m

$286

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 12/24

10:00 am-2:20 pm

1 stop5h 20m

Chicago O'Hare Intl

Wed 12/31

4:06 pm-7:18 pm

Nonstop2h 12m

$289

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 12/25

11:40 am-1:09 pm

Nonstop2h 29m

Chicago O'Hare Intl

Thu 1/1

8:51 am-3:22 pm

1 stop5h 31m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

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 26, 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 26% 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 26, 2025.

The most flights from CHS to USIL are scheduled on a Tuesday (20 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 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 26, 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
4,254 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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
7.9
Good
8,003 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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
9,050 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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
11,037 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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
8,156 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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 4h 28m. Delta provides one of the quickest options available for as low as $249. 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 ANA (91%), Air Canada (84%) or Air New Zealand (84%) 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 $1,674 for a flight from Charleston to Illinois. The cheapest flight overall is $134 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $137.

  • 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$135Average$351FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$364FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$353FlexibilityNo cancel feeOn-time69%
DeltaCheapest$368Average$628FlexibilityNo cancel feeOn-timeN/A

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