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$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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/313:38 pmCHS - MLI
1 stop6h 14mAmerican Airlines
Sun 1/47:47 pmMLI - CHS
1 stop6h 31mAmerican Airlines
Deal found 12/16$275
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/2810:18 pmCHS - ORD
2 stops35h 13mSpirit Airlines
Wed 12/313:26 pmORD - CHS
1 stop28h 57mSpirit Airlines
Deal found 12/16$335
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/232:59 pmCHS - MDW
1 stop7h 59mMultiple Airlines
Thu 1/17:44 amMDW - CHS
1 stop28h 26mMultiple Airlines
Deal found 12/16$351
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/2810:18 pmCHS - ORD
1 stop21h 21mMultiple Airlines
Wed 12/3111:23 amORD - CHS
1 stop20h 14mMultiple Airlines
Deal found 12/16$353
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:59 pmCHS - ORD
Nonstop2h 40mUnited Airlines
Mon 12/294:06 pmORD - CHS
Nonstop2h 12mUnited Airlines
Deal found 12/15$354
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/171:48 pmCHS - PIA
1 stop6h 28mAmerican Airlines
Tue 12/236:25 pmPIA - CHS
1 stop4h 40mAmerican Airlines
Deal found 12/16$354
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:51 pmCHS - ORD
1 stop7h 31mAmerican Airlines
Mon 12/298:20 pmORD - CHS
Nonstop2h 37mAmerican Airlines
Deal found 12/15$359
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/234:16 pmCHS - ORD
2 stops41h 08mMultiple Airlines
Thu 1/17:20 amORD - CHS
1 stop13h 03mMultiple Airlines
Deal found 12/16$365
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2210:18 pmCHS - ORD
1 stop18h 24mMultiple Airlines
Thu 12/2512:39 pmORD - CHS
2 stops31h 44mMultiple Airlines
Deal found 12/15$366
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2210:18 pmCHS - ORD
1 stop18h 24mMultiple Airlines
Wed 12/243:51 pmORD - CHS
2 stops15h 46mMultiple Airlines
Deal found 12/15$367
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/186:05 amCHS - PIA
1 stop7h 15mUnited Airlines
Sat 12/201:20 pmPIA - CHS
1 stop5h 27mUnited Airlines
Deal found 12/16$369
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/242:15 pmCHS - ORD
1 stop19h 16mMultiple Airlines
Thu 12/2512:39 pmORD - CHS
2 stops31h 44mMultiple Airlines
Deal found 12/15$371

Find flight deals from Charleston to Illinois

Keep the following information in mind while searching for Charleston to Illinois flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$182
(Kiwi.com)

One-way from

$55
(Mytrip)

Popular in

January

Cheapest in

August

Average price

$368

Good round-trip deal

$376 or less

Good one-way deal

$182 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. 7% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

3:01 pm-11:33 pm

1 stop9h 32m

Lambert-St Louis

Sun 1/25

5:42 pm-5:36 pm

2 stops22h 54m

$182

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 2/3

3:01 pm-11:33 pm

1 stop9h 32m

Lambert-St Louis

Thu 2/5

5:42 pm-8:43 am

1 stop14h 01m

$244

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Wed 12/31

3:38 pm-8:52 pm

1 stop6h 14m

Moline Quad-City

Sun 1/4

7:47 pm-3:18 am

1 stop6h 31m

$275

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 2/18

7:47 pm-11:43 pm

1 stop4h 56m

Chicago O'Hare Intl

Sat 2/21

10:35 am-1:52 pm

Nonstop2h 17m

$284

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Wed 1/14

5:25 am-10:27 am

1 stop6h 02m

Chicago Midway

Sat 1/17

5:31 pm-11:55 pm

1 stop5h 24m

$294

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 2/18

6:55 am-2:45 pm

2 stops8h 50m

Chicago O'Hare Intl

Sat 2/21

3:45 pm-10:05 pm

1 stop5h 20m

$299

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 1/14

4:41 pm-6:10 pm

Nonstop2h 29m

Chicago O'Hare Intl

Wed 1/21

8:58 am-12:32 pm

Nonstop2h 34m

$299

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 1/14

5:25 am-8:53 am

1 stop4h 28m

Lambert-St Louis

Wed 1/21

6:00 am-11:48 am

1 stop4h 48m

$303

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 1/14

9:05 am-4:50 pm

2 stops8h 45m

Lambert-St Louis

Wed 1/21

10:15 am-5:35 pm

2 stops6h 20m

$313

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Wed 1/14

9:05 am-4:45 pm

1 stop8h 40m

Chicago Midway

Wed 1/21

9:50 am-3:50 pm

1 stop5h 00m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 18, 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 in the evening, which can drop the price by up to 23% 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. Tuesday 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 December 18, 2025.

The most flights from CHS to USIL are scheduled on a Wednesday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 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 December 18, 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
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,007 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,055 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 56m. American Airlines provides one of the quickest options available for as low as $284. The distance between Charleston and Illinois is about 760 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 $80. Southwest flights start at $92 while deals on American Airlines start at $112 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 ANA (84%), Qatar Airways (78%) or Envoy Air (76%) 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 $995 for a flight from Charleston to Illinois. The cheapest flight overall is $132 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $111.

  • 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$135Average$303FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$363FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$354FlexibilityNo cancel feeOn-time69%
DeltaCheapest$368Average$628FlexibilityNo cancel feeOn-timeN/A

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