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Charleston

$87+ Cheap flights from Illinois to Charleston (CHS)

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHS
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Illinois to Charleston

Keep the following information in mind while searching for Illinois to Charleston flight deals. Data was last updated April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$209
(Mytrip)

One-way from

$123
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$396

Good round-trip deal

$301 or less

Good one-way deal

$174 or less
Provider with most accurate pricing for Chicago (CHI)-Charleston flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Charleston flights.
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From Illinois to Charleston
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One-way flight from Illinois to Charleston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 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 Illinois to Charleston.
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Price to beat on a one-way flight from Illinois to Charleston.
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Find flight deals from Illinois to Charleston

Cheapest flights from Illinois to Charleston
Explore the most affordable flight options available from Illinois to Charleston. 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.
Tue 4/296:10 pmSTL - CHS
1 stop23h 25mSpirit Airlines
Sun 5/410:25 amCHS - STL
1 stop7h 50mSpirit Airlines
Deal found 4/16$209
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.
Fri 5/165:15 pmMLI - CHS
1 stop5h 29mDelta
Tue 5/2010:45 amCHS - MLI
1 stop6h 49mDelta
Deal found 4/17$249
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:55 amPIA - CHS
1 stop6h 04mUnited Airlines
Fri 5/166:30 amCHS - PIA
1 stop4h 42mUnited Airlines
Deal found 4/17$249
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/163:25 pmMLI - CHS
1 stop6h 25mAmerican Airlines
Tue 5/205:07 amCHS - MLI
2 stops6h 35mAmerican Airlines
Deal found 4/17$254
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:43 amPIA - CHS
1 stop7h 09mAmerican Airlines
Mon 5/128:43 pmCHS - PIA
1 stop4h 13mAmerican Airlines
Deal found 4/17$254
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/142:20 pmSTL - CHS
Nonstop2h 00mSouthwest
Wed 5/215:55 pmCHS - STL
Nonstop2h 20mSouthwest
Deal found 4/16$255
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.
Sun 5/2510:20 amSTL - CHS
1 stop24h 41mMultiple Airlines
Wed 5/286:00 amCHS - STL
2 stops28h 15mMultiple Airlines
Deal found 4/16$260
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 5/76:00 amSTL - CHS
1 stop6h 01mDelta
Wed 5/146:24 pmCHS - STL
1 stop6h 14mDelta
Deal found 4/16$265
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/115:05 amORD - CHS
1 stop26h 32mSpirit Airlines
Fri 6/136:00 amCHS - ORD
1 stop25h 37mSpirit Airlines
Deal found 4/17$272
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.
Wed 5/215:30 amORD - CHS
1 stop4h 47mDelta
Sat 5/244:59 pmCHS - ORD
1 stop7h 18mDelta
Deal found 4/17$273
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.
Tue 5/206:00 amMDW - CHS
1 stop6h 33mDelta
Sat 5/244:59 pmCHS - MDW
1 stop5h 14mDelta
Deal found 4/17$273
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:45 amORD - CHS
Nonstop2h 18mAmerican Airlines
Sun 5/255:07 amCHS - ORD
1 stop4h 54mAmerican Airlines
Deal found 4/17$276

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Charleston 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 Illinois to Charleston that are best for you.

Fly from

Illinois

Fly to

Charleston

Route

Depart

Return

Price

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/29

6:10 pm-6:35 pm

1 stop23h 25m

Charleston

Sun 5/4

10:25 am-5:15 pm

1 stop7h 50m

$209

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Fri 5/16

5:15 pm-11:44 pm

1 stop5h 29m

Charleston

Tue 5/20

10:45 am-4:34 pm

1 stop6h 49m

$249

PeoriaCharleston

PIA - CHS

PIACHS

Greater Peoria

Sat 5/10

6:55 am-1:59 pm

1 stop6h 04m

Charleston

Fri 5/16

6:30 am-10:12 am

1 stop4h 42m

$249

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Fri 5/16

3:25 pm-10:50 pm

1 stop6h 25m

Charleston

Tue 5/20

5:07 am-10:42 am

2 stops6h 35m

$254

PeoriaCharleston

PIA - CHS

PIACHS

Greater Peoria

Wed 5/7

6:43 am-2:52 pm

1 stop7h 09m

Charleston

Mon 5/12

8:43 pm-11:56 pm

1 stop4h 13m

$254

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 5/14

2:20 pm-5:20 pm

Nonstop2h 00m

Charleston

Wed 5/21

5:55 pm-7:15 pm

Nonstop2h 20m

$255

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sun 5/25

10:20 am-12:01 pm

1 stop24h 41m

Charleston

Wed 5/28

6:00 am-9:15 am

2 stops28h 15m

$260

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Wed 5/7

5:40 pm-11:44 pm

1 stop5h 04m

Charleston

Tue 5/13

6:24 pm-11:38 pm

1 stop6h 14m

$265

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Wed 6/11

5:05 am-8:37 am

1 stop26h 32m

Charleston

Fri 6/13

6:00 am-6:37 am

1 stop25h 37m

$272

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Wed 5/21

5:30 am-11:17 am

1 stop4h 47m

Charleston

Sat 5/24

4:59 pm-11:17 pm

1 stop7h 18m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 50 results
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Best time to book a flight from Illinois to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Illinois 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 Illinois to Charleston

What is the cheapest month to book a flight from Illinois to Charleston?

Currently, August is the cheapest month in which you can book a flight from Illinois to Charleston (average of $217). Flying from Illinois to Charleston in March is currently the most expensive (average of $335). 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 IL to CHS?

Find hourly flight availability from Illinois to Charleston. 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 Illinois to Charleston as you normally would.

Weekly flight availability from Illinois to Charleston

Explore weekly flight availability from Illinois to Charleston. 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 USIL to CHS are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Charleston by month

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

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

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

If weather is an important factor for your trip to Charleston, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated April 17, 2025.
Read through reviews of airlines operating flights from Illinois to Charleston, such as Breeze Airways, Alaska Airlines and Southwest. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
158 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
158 reviews
Breeze Airways
8.1
Very good
158 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Alaska Airlines
8.0
Very good
9,887 reviews
Breeze Airways
8.1
Very good
158 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,280 reviews
Breeze Airways
8.1
Very good
158 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,916 reviews
Breeze Airways
8.1
Very good
158 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,667 reviews
Breeze Airways
8.1
Very good
158 reviews

Overall

8.1

Food

6.7

Boarding

8.3

Comfort

8.2

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Charleston. 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 into for flights to Charleston from Illinois?

    Charleston (CHS), located 10.2 mi from the city center, is the airport you fly into when you book flights from Illinois to Charleston.

  • What are the cheapest airlines to fly from Illinois to Charleston one-way?

    $123 is the cheapest one-way deal found within the past few days, from Sun Country Air. You may also be able to find cheap deals on Southwest and Spirit Airlines, with prices starting from $128 and $132, respectively.

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

    The most popular flight routes from Illinois to Charleston are Chicago O'Hare Intl - Charleston, Lambert-St Louis - Charleston and Chicago Midway - Charleston.

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

    Before booking your flight to Charleston from Illinois, check out the most reliable airlines to get you to your destination on time: Lufthansa (90%), Emirates (86%), Republic Airways( 83%).

  • What are the cheapest flights from Illinois to Charleston?

    On average you can expect to pay $506 for a flight from Illinois to Charleston. The cheapest flight overall is $134 while the most popular route, (Chicago O'Hare Intl - Charleston) is currently priced at $173.

  • Can I find deals for flights from Illinois to Charleston that include hotel bookings?

    Yes. In addition to deals on Illinois to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Charleston.

  • Can I find deals for business class flights from Illinois to Charleston?

    Yes. Cheapflights offers flight deals from Illinois to Charleston 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 Illinois to Charleston?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Charleston (average of $217). Flying from Illinois to Charleston in March is currently the most expensive (average of $335). 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

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Summerville
North Charleston
Mount Pleasant
Isle of Palms
Folly Beach
Santee
Walterboro
Edisto Beach

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Alternative routes for Illinois to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Illinois to Charleston

Discover the top 5 airlines that operate flights from Illinois to Charleston. 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$101Average$180FlexibilityNo cancel feeOn-time65%
DeltaCheapest$133Average$426FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$402FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$218Average$392FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$257Average$364FlexibilityNo cancel feeOn-time63%

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