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Charleston

$61+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$183
(Kiwi.com)

One-way from

$61
(Priceline)

Popular in

December

Cheapest in

August

Average price

$419

Good round-trip deal

$329 or less

Good one-way deal

$173 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
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Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Fri 12/510:42 amSTL - CHS
2 stops23h 18mMultiple Airlines
Mon 12/83:33 pmCHS - STL
1 stop8h 00mMultiple Airlines
Deal found 11/2$207
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:04 pmSTL - CHS
2 stops21h 56mMultiple Airlines
Sun 12/72:59 pmCHS - STL
1 stop19h 00mMultiple Airlines
Deal found 11/1$241
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 11/116:40 amORD - CHS
1 stop9h 26mMultiple Airlines
Thu 11/139:13 pmCHS - ORD
2 stops16h 13mMultiple Airlines
Deal found 11/3$244
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:34 pmORD - CHS
3 stops20h 26mSpirit Airlines
Mon 12/89:49 pmCHS - ORD
2 stops25h 22mSpirit Airlines
Deal found 11/3$245
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 11/116:40 amORD - CHS
1 stop9h 26mMultiple Airlines
Wed 11/126:11 pmCHS - ORD
2 stops19h 15mMultiple Airlines
Deal found 11/3$246
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Fri 11/142:31 pmORD - CHS
1 stop16h 25mMultiple Airlines
Tue 11/186:11 pmCHS - ORD
2 stops18h 03mMultiple Airlines
Deal found 11/3$248
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:00 pmMLI - CHS
1 stop5h 30mUnited Airlines
Tue 12/911:33 amCHS - MLI
1 stop6h 32mUnited Airlines
Deal found 11/2$249
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:01 pmPIA - CHS
1 stop4h 14mUnited Airlines
Sun 12/76:05 amCHS - PIA
1 stop5h 04mUnited Airlines
Deal found 11/3$249
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/106:40 amORD - CHS
1 stop9h 26mMultiple Airlines
Thu 11/139:13 pmCHS - ORD
2 stops16h 13mMultiple Airlines
Deal found 11/3$249
This JetBlue deal was found by Cheapflights users on 11/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:00 amORD - CHS
1 stop5h 48mJetBlue
Tue 12/92:43 pmCHS - ORD
1 stop8h 09mJetBlue
Deal found 11/3$250
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 11/116:26 pmMDW - CHS
1 stop21h 40mMultiple Airlines
Thu 11/139:38 pmCHS - MDW
2 stops25h 32mMultiple Airlines
Deal found 11/3$250
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/106:40 amORD - CHS
1 stop9h 26mMultiple Airlines
Wed 11/126:11 pmCHS - ORD
2 stops19h 15mMultiple Airlines
Deal found 11/3$251

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 November 3, 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

Mon 11/17

2:12 pm-8:37 am

1 stop17h 25m

Charleston

Wed 12/3

6:15 pm-11:07 am

2 stops17h 52m

$220

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Mon 12/8

9:54 am-8:37 am

1 stop21h 43m

Charleston

Thu 12/11

9:49 pm-9:47 am

2 stops12h 58m

$220

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Fri 1/16

3:45 pm-9:17 pm

1 stop4h 32m

Charleston

Sun 1/18

6:05 am-10:12 am

1 stop5h 07m

$239

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Fri 1/16

3:45 pm-9:17 pm

1 stop4h 32m

Charleston

Mon 1/19

6:05 am-10:12 am

1 stop5h 07m

$239

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Thu 12/4

12:04 pm-11:00 am

2 stops21h 56m

Charleston

Sun 12/7

2:59 pm-8:59 am

1 stop19h 00m

$241

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Thu 1/15

11:28 am-9:11 pm

2 stops8h 43m

Charleston

Sun 1/18

3:16 pm-9:58 pm

1 stop7h 42m

$244

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Fri 1/16

11:28 am-11:07 pm

2 stops10h 39m

Charleston

Mon 1/19

5:41 pm-9:33 pm

1 stop4h 52m

$244

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Thu 1/15

6:30 am-2:48 pm

2 stops7h 18m

Charleston

Sun 1/18

6:05 am-10:12 am

1 stop5h 07m

$244

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Fri 1/16

11:28 am-9:11 pm

2 stops8h 43m

Charleston

Sun 1/18

3:16 pm-9:58 pm

1 stop7h 42m

$244

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Wed 3/11

5:37 pm-11:02 pm

1 stop4h 25m

Charleston

Wed 3/18

6:35 am-10:04 am

1 stop4h 29m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 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, May is the cheapest month in which you can book a flight from Illinois to Charleston (average of $46). Flying from Illinois to Charleston in December is currently the most expensive (average of $248). 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 November 3, 2025.

It’s optimal to fly from Illinois to Charleston in the evening. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Illinois to Charleston?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Charleston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Charleston flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 3, 2025.

The most flights from USIL to CHS are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

How much does it cost to fly round-trip from Illinois to Charleston?

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.

  • How long is the flight from Illinois to Charleston?

    There are many flights that can get you from Illinois to Charleston in 4h 32m. Fly via United Airlines, American Airlines, or JetBlue to get the fastest option. Airlines will cover a distance of 824 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $105 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $140 and $140, 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, Chicago Midway - Charleston and Lambert-St Louis - 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: Republic Airways (89%), Qatar Airways (88%), Alaska Airlines( 84%).

  • What are the cheapest flights from Illinois to Charleston?

    On average you can expect to pay $438 for a flight from Illinois to Charleston. The cheapest flight overall is $87 while the most popular route, (Chicago O'Hare Intl - Charleston) is currently priced at $108.

  • 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, May is the cheapest month in which you can book a flight from Illinois to Charleston (average of $46). Flying from Illinois to Charleston in December is currently the most expensive (average of $248). 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 Charleston?

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

Browse thousands of different options on Cheapflights for your next trip

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$149Average$366FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$157Average$203FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$378FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$221Average$371FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$245Average$359FlexibilityNo cancel feeOn-time63%

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