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$62+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
ene. 3 — ene. 101
sáb. 1/3
sáb. 1/10
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 diciembre 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/2. 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.
mié. 12/315:10 amCHS - STL
1 stop4h 25mAmerican Airlines
mié. 1/73:54 pmSTL - CHS
1 stop6h 13mAmerican Airlines
Deal found 12/2$159
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
jue. 12/112:59 pmCHS - STL
1 stop8h 34mMultiple Airlines
dom. 12/143:30 pmSTL - CHS
1 stop16h 27mMultiple Airlines
Deal found 12/2$234
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
vie. 12/1910:18 pmCHS - ORD
1 stop13h 56mSpirit Airlines
lun. 12/227:20 amORD - CHS
2 stops28h 50mSpirit Airlines
Deal found 12/2$291
This Mytrip deal was found by Cheapflights users on 12/2. 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.
jue. 12/119:49 pmCHS - ORD
1 stop14h 19mSpirit Airlines
lun. 12/157:10 amORD - CHS
1 stop12h 44mSpirit Airlines
Deal found 12/2$294
This American Airlines deal was found by Cheapflights users on 12/2. 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.
sáb. 12/203:44 pmCHS - ORD
Nonstop2h 51mAmerican Airlines
mar. 1/66:25 pmORD - CHS
Nonstop2h 18mAmerican Airlines
Deal found 12/2$297
This Mytrip deal was found by Cheapflights users on 12/1. 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.
vie. 12/511:55 amCHS - ORD
2 stops13h 14mSpirit Airlines
lun. 12/85:00 amORD - CHS
1 stop14h 54mSpirit Airlines
Deal found 12/1$301
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
jue. 12/1810:18 pmCHS - ORD
1 stop13h 56mMultiple Airlines
dom. 12/217:20 amORD - CHS
1 stop24h 37mMultiple Airlines
Deal found 12/2$304
This Kiwi.com deal was found by Cheapflights users on 12/4. 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.
jue. 12/182:59 pmCHS - MDW
1 stop7h 59mMultiple Airlines
sáb. 12/206:12 amMDW - CHS
2 stops25h 25mMultiple Airlines
Deal found 12/4$305
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
dom. 12/2810:18 pmCHS - STL
2 stops36h 22mMultiple Airlines
lun. 1/54:27 pmSTL - CHS
1 stop15h 10mMultiple Airlines
Deal found 12/2$308
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
vie. 12/129:49 pmCHS - ORD
2 stops25h 35mMultiple Airlines
lun. 12/1512:09 pmORD - CHS
1 stop19h 28mMultiple Airlines
Deal found 12/3$309
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
jue. 12/112:59 pmCHS - MDW
1 stop7h 59mMultiple Airlines
lun. 12/156:15 amMDW - CHS
2 stops25h 22mMultiple Airlines
Deal found 12/2$310
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
sáb. 12/209:09 pmCHS - ORD
2 stops28h 17mMultiple Airlines
mié. 12/3112:09 pmORD - CHS
1 stop19h 28mMultiple Airlines
Deal found 12/2$310

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 diciembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$159
(American Airlines)

One-way from

$62
(Expedia)

Popular in

January

Cheapest in

August

Average price

$389

Good round-trip deal

$352 or less

Good one-way deal

$189 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 ($35 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 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 diciembre 4, 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

mié. 1/21

11:40 am-6:45 pm

2 stops8h 05m

Lambert-St Louis

mié. 1/28

11:30 am-5:35 pm

1 stop5h 05m

$178

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

jue. 1/22

3:01 pm-10:23 am

1 stop20h 22m

Lambert-St Louis

dom. 1/25

5:42 pm-8:43 am

1 stop14h 01m

$185

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

lun. 1/26

3:02 pm-8:06 pm

1 stop6h 04m

Lambert-St Louis

jue. 1/29

7:10 am-11:48 am

1 stop3h 38m

$201

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

vie. 2/13

5:00 pm-9:00 pm

1 stop5h 00m

Lambert-St Louis

mar. 2/17

7:41 am-1:52 pm

1 stop5h 11m

$223

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

vie. 2/13

6:41 pm-11:02 pm

1 stop5h 21m

Lambert-St Louis

mar. 2/17

7:00 am-3:04 pm

1 stop7h 04m

$258

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

sáb. 1/24

1:10 pm-4:26 pm

1 stop4h 16m

Moline Quad-City

mié. 1/28

5:51 am-11:48 am

1 stop4h 57m

$260

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

mié. 12/31

6:42 am-1:36 pm

2 stops7h 54m

Lambert-St Louis

mié. 1/7

3:54 pm-11:07 pm

1 stop6h 13m

$271

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

dom. 1/11

7:42 pm-11:12 pm

1 stop4h 30m

Lambert-St Louis

mar. 1/13

9:25 am-5:27 pm

1 stop7h 02m

$276

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

jue. 1/8

6:55 am-2:15 pm

2 stops8h 20m

Chicago Midway

sáb. 1/10

6:40 am-1:15 pm

2 stops5h 35m

$298

CharlestonChicago

CHS - ORD

CHSORD

Charleston

mié. 4/8

7:00 am-12:50 pm

1 stop6h 50m

Chicago O'Hare Intl

vie. 4/10

11:30 am-8:50 pm

1 stop8h 20m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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 diciembre 4, 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 diciembre 4, 2025.

The most flights from CHS to USIL are scheduled on a Thursday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 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 diciembre 4, 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
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
8,011 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
9,066 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
11,047 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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
Spirit Airlines
6.3
Okay
8,157 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

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. Southwest provides one of the quickest options available for as low as $223. The distance between Charleston and Illinois is about 705 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 Qatar Airways (91%), ANA (88%) or Envoy Air (81%) 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 $770 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 $130.

  • 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 diciembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$135Average$304FlexibilityNo 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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