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$74+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CHS
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
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 March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Mytrip)

One-way from

$74
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$411

Good round-trip deal

$323 or less

Good one-way deal

$162 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. 12% potential increase in price ($59 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 March 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 March 8, 2025.

This Mytrip deal was found by Cheapflights users on 3/7. 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 4/86:47 pmSTL - CHS
1 stop22h 48mSpirit Airlines
Thu 4/1010:25 amCHS - STL
1 stop7h 50mSpirit Airlines
Deal found 3/7$149
This Booking.com deal was found by Cheapflights users on 3/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/66:35 amSTL - CHS
1 stop12h 57mMultiple Airlines
Tue 4/811:02 amCHS - STL
1 stop7h 50mMultiple Airlines
Deal found 3/6$198
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/26:00 amMLI - CHS
1 stop4h 15mAmerican Airlines
Sat 4/56:08 pmCHS - MLI
1 stop4h 41mAmerican Airlines
Deal found 3/6$199
This American Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 3/274:23 pmPIA - CHS
1 stop6h 44mAmerican Airlines
Wed 4/26:41 amCHS - PIA
1 stop4h 40mAmerican Airlines
Deal found 3/6$224
This Delta deal was found by Cheapflights users on 3/7. 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 10/185:00 pmMLI - CHS
1 stop5h 44mDelta
Tue 10/214:30 pmCHS - MLI
1 stop6h 59mDelta
Deal found 3/7$249
This Southwest deal was found by Cheapflights users on 3/6. 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.
Tue 4/222:20 pmSTL - CHS
Nonstop2h 00mSouthwest
Wed 4/235:55 pmCHS - STL
Nonstop2h 20mSouthwest
Deal found 3/6$277
This Mytrip deal was found by Cheapflights users on 3/6. 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.
Mon 3/247:21 pmORD - CHS
2 stops16h 58mSpirit Airlines
Thu 3/2711:40 amCHS - ORD
2 stops14h 58mSpirit Airlines
Deal found 3/6$284
This Southwest deal was found by Cheapflights users on 3/7. 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 5/141:30 pmMDW - CHS
2 stops5h 45mSouthwest
Mon 5/196:15 amCHS - MDW
Nonstop2h 20mSouthwest
Deal found 3/7$284
This American Airlines deal was found by Cheapflights users on 3/7. 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 5/31:10 pmORD - CHS
Nonstop2h 18mAmerican Airlines
Mon 5/511:43 amCHS - ORD
Nonstop2h 31mAmerican Airlines
Deal found 3/7$285
This Delta deal was found by Cheapflights users on 3/7. 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 4/284:59 pmMDW - CHS
1 stop5h 59mDelta
Wed 4/305:35 amCHS - MDW
1 stop4h 32mDelta
Deal found 3/7$289
This JetBlue deal was found by Cheapflights users on 3/6. 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.
Fri 4/251:26 pmORD - CHS
1 stop5h 31mJetBlue
Tue 4/297:31 amCHS - ORD
1 stop5h 55mJetBlue
Deal found 3/6$296
This Delta deal was found by Cheapflights users on 3/7. 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 4/144:05 pmSTL - CHS
1 stop5h 41mDelta
Thu 4/178:23 pmCHS - STL
1 stop4h 13mDelta
Deal found 3/7$297

Find flights from Illinois to Charleston within your budget

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 March 8, 2025.

Fly from

Illinois

Fly to

Charleston

Route

Depart

Return

Price

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/8

6:47 pm-6:35 pm

1 stop22h 48m

Charleston

Thu 4/10

10:25 am-5:15 pm

1 stop7h 50m

$149

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Sun 4/6

6:35 am-8:32 pm

1 stop12h 57m

Charleston

Tue 4/8

11:02 am-5:52 pm

1 stop7h 50m

$198

MolineCharleston

MLI - CHS

MLICHS

Moline Quad-City

Wed 4/2

6:00 am-11:15 am

1 stop4h 15m

Charleston

Sat 4/5

6:08 pm-9:49 pm

1 stop4h 41m

$199

PeoriaCharleston

PIA - CHS

PIACHS

Greater Peoria

Thu 3/27

4:23 pm-12:07 am

1 stop6h 44m

Charleston

Wed 4/2

6:41 am-10:21 am

1 stop4h 40m

$224

St. LouisCharleston

STL - CHS

STLCHS

Lambert-St Louis

Tue 4/22

2:20 pm-5:20 pm

Nonstop2h 00m

Charleston

Wed 4/23

5:55 pm-7:15 pm

Nonstop2h 20m

$277

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Mon 3/24

7:21 pm-1:19 pm

2 stops16h 58m

Charleston

Thu 3/27

11:40 am-1:38 am

2 stops14h 58m

$284

ChicagoCharleston

MDW - CHS

MDWCHS

Chicago Midway

Wed 5/14

1:30 pm-8:15 pm

2 stops5h 45m

Charleston

Mon 5/19

6:15 am-7:35 am

Nonstop2h 20m

$284

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Sat 5/3

1:10 pm-4:28 pm

Nonstop2h 18m

Charleston

Mon 5/5

11:43 am-1:14 pm

Nonstop2h 31m

$285

ChicagoCharleston

MDW - CHS

MDWCHS

Chicago Midway

Mon 4/28

4:59 pm-11:58 pm

1 stop5h 59m

Charleston

Wed 4/30

5:35 am-9:07 am

1 stop4h 32m

$289

ChicagoCharleston

ORD - CHS

ORDCHS

Chicago O'Hare Intl

Fri 4/25

1:26 pm-7:57 pm

1 stop5h 31m

Charleston

Tue 4/29

7:31 am-12:26 pm

1 stop5h 55m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 45 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.

Travel insights for flights from Illinois to Charleston

Get recent, data-driven insights about flights from Illinois to Charleston including ideal travel times, pricing trends, and more.

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 March 8, 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.

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 March 8, 2025.
Read through reviews of airlines operating flights from Illinois to Charleston, such as Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,314 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,314 reviews
Southwest
8.1
Very good
4,314 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,716 reviews
Southwest
8.1
Very good
4,314 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,024 reviews
Southwest
8.1
Very good
4,314 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Avelo Airlines
7.5
Good
Southwest
8.1
Very good
4,314 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,649 reviews
Southwest
8.1
Very good
4,314 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    $74 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 Southwest and Delta, with prices starting from $139 and $145, 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: Emirates (85%), Air Canada (84%), Air New Zealand( 84%).

  • What are the cheapest flights from Illinois to Charleston?

    On average you can expect to pay $391 for a flight from Illinois to Charleston. The cheapest flight overall is $139 while the most popular route, (Chicago O'Hare Intl - Charleston) is currently priced at $140.

  • 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
North Charleston
Santee
Mount Pleasant
Isle of Palms
Folly Beach
Summerville
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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$101Average$179FlexibilityNo cancel feeOn-time65%
DeltaCheapest$133Average$423FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$379FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$294Average$369FlexibilityNo cancel feeOn-time63%
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