Illinois

$73+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Apr 14 — Apr 211
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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 March 15, 2026.

This American Airlines deal was found by Cheapflights users on 3/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:34 am
CHS
-
STL
1 stop7h 09m
American Airlines
Wed 4/81:29 pm
STL
-
CHS
1 stop7h 57m
American Airlines
Deal found 3/11$227
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:40 pm
CHS
-
STL
Nonstop2h 20m
Southwest
Mon 5/182:10 pm
STL
-
CHS
Nonstop1h 55m
Southwest
Deal found 3/10$231
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:15 pm
CHS
-
STL
Nonstop2h 15m
Southwest
Mon 4/132:10 pm
STL
-
CHS
Nonstop1h 55m
Southwest
Deal found 3/14$239
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
CHS
-
STL
1 stop5h 28m
United Airlines
Wed 4/86:30 am
STL
-
CHS
2 stops7h 23m
United Airlines
Deal found 3/11$242
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:45 pm
CHS
-
MDW
1 stop7h 10m
Southwest
Tue 5/198:15 am
MDW
-
CHS
1 stop5h 45m
Southwest
Deal found 3/12$274
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:15 am
CHS
-
ORD
1 stop5h 13m
United Airlines
Sat 5/94:20 pm
ORD
-
CHS
Nonstop2h 19m
United Airlines
Deal found 3/11$274
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Tue 6/211:31 am
CHS
-
ORD
Nonstop2h 38m
United Airlines
Wed 6/106:00 am
ORD
-
CHS
1 stop7h 27m
United Airlines
Deal found 3/13$275
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:40 pm
CHS
-
MDW
1 stop7h 10m
Southwest
Sat 5/99:10 am
MDW
-
CHS
2 stops10h 05m
Southwest
Deal found 3/12$276
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:05 pm
CHS
-
ORD
1 stop24h 37m
Spirit Airlines
Fri 4/2412:47 pm
ORD
-
CHS
1 stop21h 21m
Spirit Airlines
Deal found 3/10$276
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:55 pm
CHS
-
MDW
1 stop4h 10m
Southwest
Mon 4/1312:00 pm
MDW
-
CHS
1 stop5h 20m
Southwest
Deal found 3/14$277
This Southwest deal was found by Cheapflights users on 3/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:40 am
CHS
-
ORD
1 stop7h 10m
Southwest
Tue 4/282:40 pm
ORD
-
CHS
1 stop4h 20m
Southwest
Deal found 3/14$277
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Fri 4/108:07 am
CHS
-
ORD
1 stop8h 53m
Multiple Airlines
Fri 4/1712:47 pm
ORD
-
CHS
1 stop21h 21m
Multiple Airlines
Deal found 3/10$278

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 March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(American Airlines)

One-way from

$73
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$369

Good round-trip deal

$352 or less

Good one-way deal

$177 or less
Provider with most accurate pricing for Charleston-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Charleston-Chicago (CHI) flights.
From Charleston to Illinois
One-way flight from Charleston to Illinois
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Charleston to Illinois.
Price to beat on a one-way flight from Charleston to Illinois.

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 March 15, 2026.
Use the filters below to find and compare flights from Charleston to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 5/13

2:25 pm-9:05 pm

1 stop7h 40m

Lambert-St Louis

Mon 5/18

2:10 pm-5:05 pm

Nonstop1h 55m

$236

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 4/9

7:55 pm-11:15 pm

1 stop4h 20m

Lambert-St Louis

Mon 4/13

2:10 pm-5:05 pm

Nonstop1h 55m

$249

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 5/14

4:45 pm-11:25 pm

1 stop7h 40m

Lambert-St Louis

Mon 5/18

1:45 pm-9:55 pm

1 stop7h 10m

$259

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 5/26

7:15 pm-10:00 pm

1 stop3h 45m

Lambert-St Louis

Fri 5/29

4:00 pm-9:30 pm

1 stop4h 30m

$264

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Thu 5/14

7:55 pm-11:30 pm

1 stop4h 35m

Chicago Midway

Tue 5/19

10:15 am-8:00 pm

2 stops8h 45m

$276

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Tue 4/14

12:00 pm-9:55 pm

2 stops10h 55m

Chicago O'Hare Intl

Mon 4/20

2:40 pm-8:50 pm

1 stop5h 10m

$279

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 4/9

6:00 am-11:51 am

1 stop6h 51m

Chicago O'Hare Intl

Mon 4/13

10:35 am-1:55 pm

Nonstop2h 20m

$281

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Tue 4/14

12:00 pm-7:30 pm

2 stops8h 30m

Chicago Midway

Mon 4/20

7:45 am-4:10 pm

2 stops7h 25m

$284

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Fri 6/5

10:35 am-6:30 pm

2 stops8h 55m

Lambert-St Louis

Mon 6/8

2:20 pm-5:20 pm

Nonstop2h 00m

$286

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Fri 4/10

5:00 pm-6:37 pm

Nonstop2h 37m

Chicago O'Hare Intl

Mon 4/13

6:07 pm-9:25 pm

Nonstop2h 18m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $263). 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 March 15, 2026.

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 28% versus a flight at noon.

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 March 12, 2026.

Travelers seeking maximum savings on their Charleston to Illinois flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday 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 March 15, 2026.

The most flights from CHS to USIL are scheduled on a Friday (23 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 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 March 15, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Charleston to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 5h 08m. Southwest provides one of the quickest options available for as low as $309. The distance between Charleston and Illinois is about 756 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. American Airlines flights start at $87 while deals on Southwest start at $92 one-way.

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

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

    Consider SkyWest Airlines (100%), PSA Airlines (100%) or Republic Airways (87%) 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 $1,128 for a flight from Charleston to Illinois. The cheapest flight overall is $131 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $222.

  • 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 $263). 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.

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 March 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$135Average$361FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$381FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$337FlexibilityNo cancel feeOn-time69%
DeltaCheapest$233Average$548FlexibilityNo cancel feeOn-timeN/A

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