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$52+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Feb 11 — Feb 181
Tue 2/11
Tue 2/18
1 adult, Economy
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Cheap flight deals from Charleston to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(FlightHub)

One-way from

$52
(FlightHub)

Popular in

December

Cheapest in

October

Average price

$404

Good round-trip deal

$349 or less

Good one-way deal

$191 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. 9% potential increase in price ($38 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 February 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 February 6, 2025.

This FlightHub deal was found by Cheapflights users on 2/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/257:15 amCHS - STL
1 stop8h 27mSpirit Airlines
Tue 3/44:00 pmSTL - CHS
1 stop16h 53mSpirit Airlines
Deal found 2/4$127
This Mytrip deal was found by Cheapflights users on 2/5. 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 3/47:15 amCHS - STL
1 stop8h 27mMultiple Airlines
Thu 3/65:38 pmSTL - CHS
2 stops13h 49mMultiple Airlines
Deal found 2/5$187
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:35 amCHS - PIA
1 stop4h 51mUnited Airlines
Sat 7/124:00 pmPIA - CHS
1 stop4h 04mUnited Airlines
Deal found 2/4$249
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/111:35 amCHS - MLI
1 stop4h 30mUnited Airlines
Sat 7/123:52 pmMLI - CHS
1 stop4h 12mUnited Airlines
Deal found 2/4$249
This American Airlines deal was found by Cheapflights users on 2/5. 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 2/205:18 amCHS - PIA
1 stop6h 31mAmerican Airlines
Mon 2/244:23 pmPIA - CHS
1 stop4h 39mAmerican Airlines
Deal found 2/5$259
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/67:05 pmCHS - MLI
1 stop4h 33mDelta
Mon 3/35:05 pmMLI - CHS
1 stop5h 51mDelta
Deal found 2/4$299
This Delta deal was found by Cheapflights users on 2/5. 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 4/2912:32 pmCHS - STL
1 stop4h 54mDelta
Mon 5/54:05 pmSTL - CHS
1 stop5h 38mDelta
Deal found 2/5$307
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/65:10 amCHS - MLI
2 stops6h 43mAmerican Airlines
Mon 2/245:00 amMLI - CHS
1 stop4h 40mAmerican Airlines
Deal found 2/4$309
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/255:15 amCHS - STL
2 stops7h 06mAmerican Airlines
Tue 3/44:20 pmSTL - CHS
1 stop4h 42mAmerican Airlines
Deal found 2/4$312
This Mytrip deal was found by Cheapflights users on 2/6. 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.
Thu 4/1010:02 amCHS - ORD
1 stop8h 11mSpirit Airlines
Sun 4/2010:48 amORD - CHS
3 stops22h 23mSpirit Airlines
Deal found 2/6$320
This Southwest deal was found by Cheapflights users on 2/6. 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.
Fri 3/149:30 pmCHS - MDW
1 stop3h 50mSouthwest
Tue 3/181:50 pmMDW - CHS
1 stop6h 50mSouthwest
Deal found 2/6$322
This American Airlines deal was found by Cheapflights users on 2/6. 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 3/138:22 pmCHS - ORD
1 stop4h 50mAmerican Airlines
Fri 3/216:05 amORD - CHS
1 stop7h 15mAmerican Airlines
Deal found 2/6$322

Find flights from Charleston to Illinois within your budget

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 February 6, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 2/25

7:15 am-2:42 pm

1 stop8h 27m

Lambert-St Louis

Tue 3/4

4:00 pm-9:53 am

1 stop16h 53m

$127

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Thu 3/6

7:00 am-4:42 pm

2 stops10h 42m

Lambert-St Louis

Sun 3/9

5:38 pm-9:53 am

1 stop15h 15m

$216

CharlestonPeoria

CHS - PIA

CHSPIA

Charleston

Tue 7/1

6:35 am-10:26 am

1 stop4h 51m

Greater Peoria

Sat 7/12

4:00 pm-9:04 pm

1 stop4h 04m

$249

CharlestonMoline

CHS - MLI

CHSMLI

Charleston

Tue 7/1

11:35 am-3:05 pm

1 stop4h 30m

Moline Quad-City

Sat 7/12

3:52 pm-9:04 pm

1 stop4h 12m

$249

CharlestonPeoria

CHS - PIA

CHSPIA

Charleston

Tue 2/25

6:40 am-10:49 am

1 stop5h 09m

Greater Peoria

Sun 3/2

4:23 pm-12:06 am

1 stop6h 43m

$254

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 4/29

12:32 pm-4:26 pm

1 stop4h 54m

Lambert-St Louis

Mon 5/5

4:05 pm-10:43 pm

1 stop5h 38m

$307

CharlestonSt. Louis

CHS - STL

CHSSTL

Charleston

Tue 2/25

5:15 am-11:21 am

2 stops7h 06m

Lambert-St Louis

Tue 3/4

4:20 pm-10:02 pm

1 stop4h 42m

$312

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 4/10

10:02 am-5:13 pm

1 stop8h 11m

Chicago O'Hare Intl

Sun 4/20

10:48 am-10:11 am

3 stops22h 23m

$320

CharlestonChicago

CHS - MDW

CHSMDW

Charleston

Fri 3/14

9:30 pm-12:20 am

1 stop3h 50m

Chicago Midway

Tue 3/18

1:50 pm-9:40 pm

1 stop6h 50m

$322

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 3/13

8:22 pm-12:12 am

1 stop4h 50m

Chicago O'Hare Intl

Fri 3/21

6:05 am-2:20 pm

1 stop7h 15m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 49 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.

Travel insights for flights from Charleston to Illinois

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

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 $323). 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 February 6, 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 February 6, 2025.

The most flights from CHS to USIL are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 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 February 6, 2025.
To help decide which airline to fly from Charleston to Illinois, see what other customers have to say about Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,553 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.1

Comfort

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,553 reviews
Southwest
8.1
Very good
4,553 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.1

Comfort

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,696 reviews
Southwest
8.1
Very good
4,553 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.1

Comfort

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,396 reviews
Southwest
8.1
Very good
4,553 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.1

Comfort

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

JetBlue
7.4
Good
3,128 reviews
Southwest
8.1
Very good
4,553 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.1

Comfort

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
8,882 reviews
Southwest
8.1
Very good
4,553 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.1

Comfort

8.1

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

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 $52. Frontier flights start at $91 while deals on JetBlue start at $93 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 American Airlines (88%), Qatar Airways (88%) or Alaska Airlines (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 $1,047 for a flight from Charleston to Illinois. The cheapest flight overall is $144 while the most popular route, (Charleston - Chicago O'Hare Intl) is currently priced at $128.

  • 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 $323). 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.

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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 February 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$81Average$163FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$204Average$344FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$212Average$359FlexibilityNo cancel feeOn-time69%
DeltaCheapest$230Average$443FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$308Average$440FlexibilityNo cancel feeOn-time63%
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