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$44+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Mytrip deal was found by Cheapflights users on 1/27. 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 3/45:00 pm
CHS
-
ORD
1 stop8h 40m
Spirit Airlines
Mon 3/95:15 am
ORD
-
CHS
1 stop11h 25m
Spirit Airlines
Deal found 1/27$114
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/245:00 pm
CHS
-
ORD
1 stop8h 40m
Spirit Airlines
Tue 3/36:51 pm
ORD
-
CHS
1 stop20h 14m
Spirit Airlines
Deal found 1/27$118
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Thu 2/195:00 pm
CHS
-
ORD
1 stop8h 40m
Spirit Airlines
Thu 2/265:15 am
ORD
-
CHS
1 stop11h 25m
Spirit Airlines
Deal found 1/27$122
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/265:00 pm
CHS
-
ORD
1 stop8h 40m
Spirit Airlines
Sun 3/16:51 pm
ORD
-
CHS
1 stop20h 14m
Spirit Airlines
Deal found 1/28$138
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/45:00 pm
CHS
-
ORD
1 stop8h 40m
Spirit Airlines
Sun 3/88:16 pm
ORD
-
CHS
1 stop20h 24m
Spirit Airlines
Deal found 1/28$139
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Thu 2/126:35 pm
CHS
-
ORD
1 stop6h 12m
Spirit Airlines
Sun 2/155:15 am
ORD
-
CHS
1 stop11h 25m
Spirit Airlines
Deal found 1/27$142
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Fri 2/205:00 pm
CHS
-
ORD
1 stop8h 40m
Spirit Airlines
Mon 2/237:00 am
ORD
-
CHS
1 stop9h 40m
Spirit Airlines
Deal found 1/27$147
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Mon 3/238:07 am
CHS
-
ORD
1 stop12h 39m
Multiple Airlines
Wed 3/2512:20 pm
ORD
-
CHS
1 stop6h 43m
Multiple Airlines
Deal found 1/27$151
This Orbitz deal was found by Cheapflights users on 1/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:35 pm
CHS
-
ORD
1 stop6h 12m
Spirit Airlines
Sun 2/85:15 am
ORD
-
CHS
1 stop11h 24m
Spirit Airlines
Deal found 1/28$163
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 5/53:35 pm
CHS
-
MDW
1 stop22h 25m
Multiple Airlines
Sat 5/97:30 am
MDW
-
CHS
1 stop6h 10m
Multiple Airlines
Deal found 1/28$181
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 5/49:35 am
CHS
-
MDW
1 stop28h 25m
Multiple Airlines
Fri 5/87:30 am
MDW
-
CHS
1 stop6h 10m
Multiple Airlines
Deal found 1/28$188
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/203:21 pm
CHS
-
STL
1 stop10h 06m
Multiple Airlines
Mon 2/233:49 pm
STL
-
CHS
1 stop15h 49m
Multiple Airlines
Deal found 1/27$191

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$114
(Mytrip)

One-way from

$44
(Priceline)

Popular in

January

Cheapest in

August

Average price

$498

Good round-trip deal

$339 or less

Good one-way deal

$181 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. 12% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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 - ORD

CHSORD

Charleston

Thu 2/12

6:35 pm-11:47 pm

1 stop6h 12m

Chicago O'Hare Intl

Sun 2/15

5:15 am-5:40 pm

1 stop11h 25m

$142

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 2/26

5:00 pm-12:40 am

1 stop8h 40m

Chicago O'Hare Intl

Sun 3/1

6:51 pm-5:40 pm

2 stops21h 49m

$180

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Fri 2/20

3:21 pm-12:27 am

1 stop10h 06m

Lambert-St Louis

Mon 2/23

3:49 pm-8:38 am

1 stop15h 49m

$191

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 4/8

8:07 am-6:21 pm

1 stop11h 14m

Chicago O'Hare Intl

Sun 4/12

8:41 pm-10:33 pm

1 stop24h 52m

$206

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Wed 4/8

8:07 am-6:21 pm

1 stop11h 14m

Chicago O'Hare Intl

Sat 4/11

6:16 pm-4:00 pm

1 stop20h 44m

$213

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 3/26

5:02 pm-12:07 am

1 stop8h 05m

Chicago O'Hare Intl

Mon 3/30

8:41 pm-10:33 pm

1 stop24h 52m

$214

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Sun 4/19

3:35 pm-1:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Wed 4/22

1:27 pm-10:41 pm

1 stop8h 14m

$246

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Mon 4/13

8:07 am-10:19 pm

2 stops15h 12m

Chicago Midway

Wed 4/15

7:30 am-2:40 pm

1 stop6h 10m

$250

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Tue 6/9

5:55 pm-10:31 pm

1 stop5h 36m

Moline Quad-City

Tue 6/16

5:00 pm-11:57 pm

1 stop5h 57m

$269

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Thu 3/12

8:00 am-10:19 pm

2 stops39h 19m

Chicago Midway

Mon 3/16

9:51 pm-8:38 am

1 stop9h 47m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 January 29, 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 26% 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 January 24, 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 January 29, 2026.

The most flights from CHS to USIL are scheduled on a Monday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 January 29, 2026.
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
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
8,128 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

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 5h 36m. Spirit Airlines provides one of the quickest options available for as low as $269. The distance between Charleston and Illinois is about 824 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 PSA Airlines (100%), Qatar Airways (88%) or Envoy Air (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 $915 for a flight from Charleston to Illinois. The cheapest flight overall is $121 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $118.

  • 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$135Average$360FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$190Average$364FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$198Average$341FlexibilityNo cancel feeOn-time69%
DeltaCheapest$368Average$628FlexibilityNo cancel feeOn-timeN/A

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