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$110+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$204
(Mytrip)

One-way from

$110
(Mytrip)

Popular in

December

Cheapest in

July

Average price

$409

Good round-trip deal

$352 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Charleston-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Charleston-Chicago (CHI) flights.
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From Charleston to Illinois
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One-way flight from Charleston to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Charleston to Illinois.
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Price to beat on a one-way flight from Charleston to Illinois.
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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 April 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:25 amCHS - STL
1 stop7h 50mSpirit Airlines
Sun 5/46:10 pmSTL - CHS
1 stop14h 26mSpirit Airlines
Deal found 4/16$204
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:45 amCHS - MLI
1 stop6h 49mDelta
Sat 5/105:15 pmMLI - CHS
1 stop5h 29mDelta
Deal found 4/16$249
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/105:35 amCHS - STL
1 stop4h 21mDelta
Sat 5/1012:59 pmSTL - CHS
1 stop4h 59mDelta
Deal found 4/16$275
This Southwest deal was found by Cheapflights users on 4/17. 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.
Sat 5/106:10 pmCHS - MDW
Nonstop2h 20mSouthwest
Mon 5/196:20 amMDW - CHS
1 stop6h 50mSouthwest
Deal found 4/17$279
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 6/218:30 pmCHS - ORD
1 stop4h 27mAmerican Airlines
Mon 6/238:20 pmORD - CHS
Nonstop2h 35mAmerican Airlines
Deal found 4/16$279
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1612:33 pmCHS - ORD
2 stops32h 35mSpirit Airlines
Fri 5/237:35 pmORD - CHS
2 stops25h 34mSpirit Airlines
Deal found 4/16$281
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:40 pmCHS - ORD
3 stops39h 44mMultiple Airlines
Fri 5/309:08 pmORD - CHS
1 stop24h 01mMultiple Airlines
Deal found 4/16$283
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/106:10 pmCHS - STL
1 stop4h 16mAmerican Airlines
Mon 5/125:19 amSTL - CHS
1 stop5h 46mAmerican Airlines
Deal found 4/16$286
This JetBlue deal was found by Cheapflights users on 4/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:39 amCHS - ORD
1 stop5h 25mJetBlue
Mon 5/128:45 amORD - CHS
1 stop7h 15mJetBlue
Deal found 4/16$287
This Southwest deal was found by Cheapflights users on 4/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:55 pmCHS - STL
Nonstop2h 20mSouthwest
Fri 5/911:10 amSTL - CHS
Nonstop2h 00mSouthwest
Deal found 4/15$287
This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 5/104:59 pmCHS - MDW
1 stop5h 15mDelta
Mon 5/196:38 pmMDW - CHS
1 stop4h 06mDelta
Deal found 4/17$289
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:03 pmCHS - ORD
1 stop4h 55mDelta
Tue 5/209:39 amORD - CHS
1 stop6h 40mDelta
Deal found 4/16$289

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 April 17, 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 5/1

10:25 am-5:15 pm

1 stop7h 50m

Lambert-St Louis

Sun 5/4

6:10 pm-9:36 am

1 stop14h 26m

$204

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Wed 5/7

10:45 am-4:34 pm

1 stop6h 49m

Moline Quad-City

Sat 5/10

5:15 pm-11:44 pm

1 stop5h 29m

$249

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 5/10

5:35 am-8:56 am

1 stop4h 21m

Lambert-St Louis

Sat 5/10

12:59 pm-6:58 pm

1 stop4h 59m

$275

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Sat 5/10

6:10 pm-7:30 pm

Nonstop2h 20m

Chicago Midway

Mon 5/19

6:20 am-2:10 pm

1 stop6h 50m

$279

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Sat 6/21

6:00 am-9:37 am

1 stop4h 37m

Chicago O'Hare Intl

Mon 6/23

8:20 pm-11:55 pm

Nonstop2h 35m

$279

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Fri 5/16

12:33 pm-8:08 pm

2 stops32h 35m

Chicago O'Hare Intl

Fri 5/23

7:35 pm-10:09 pm

2 stops25h 34m

$281

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Sat 5/10

6:10 pm-9:26 pm

1 stop4h 16m

Lambert-St Louis

Mon 5/12

5:19 am-12:05 pm

1 stop5h 46m

$286

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Wed 5/7

5:55 pm-7:15 pm

Nonstop2h 20m

Lambert-St Louis

Fri 5/9

11:10 am-2:10 pm

Nonstop2h 00m

$287

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Sat 5/10

4:59 pm-9:14 pm

1 stop5h 15m

Chicago Midway

Mon 5/19

6:38 pm-11:44 pm

1 stop4h 06m

$289

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Thu 5/8

10:32 am-6:02 pm

2 stops8h 30m

Moline Quad-City

Mon 5/12

11:15 am-10:04 pm

2 stops9h 49m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 47 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, August is the cheapest month in which you can book a flight from Charleston to Illinois (average of $245). Flying from Charleston to Illinois in March is currently the most expensive (average of $321). 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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Charleston to Illinois as you normally would.

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 April 17, 2025.

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 (11 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 17, 2025.
To help decide which airline to fly from Charleston to Illinois, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 $110. Southwest flights start at $128 while deals on Delta start at $133 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 (90%), Air Canada (88%) or Air New Zealand (88%) 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 $590 for a flight from Charleston to Illinois. The cheapest flight overall is $138 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $173.

  • 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, August is the cheapest month in which you can book a flight from Charleston to Illinois (average of $245). Flying from Charleston to Illinois in March is currently the most expensive (average of $321). 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 5 airlines flying from Charleston to Illinois

Discover the top 5 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$81Average$165FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$345FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$363FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$441FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$285Average$410FlexibilityNo cancel feeOn-time63%

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