$89 Find Cheap Flights from Charleston to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Charleston to Illinois departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Charleston to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Charleston to Illinois, as well as popular online travel agencies
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Cheap Flights from Charleston to Illinois

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Chicago
Chicago1 stop$276
Moline
Moline1 stop$285
Peoria
Peoria1 stop$309
St. Louis
St. Louis1 stop$191
Chicago
Chicago1 stop$276
Moline
Moline1 stop$285
Peoria
Peoria1 stop$309
St. Louis
St. Louis1 stop$191

Book Cheap Charleston to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Charleston to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Charleston to Illinois

Thu, Sep 10 - Mon, Sep 14
Delta Logo
5:30 am - 9:36 am
CHS
-
STL
5h 06m
1 stop
Delta Logo
6:00 am - 1:04 pm
STL
-
CHS
6h 04m
1 stop
$191Delta
Mon, Aug 10 - Wed, Aug 12
American Airlines Logo
7:48 pm - 10:40 pm
CHS
-
STL
3h 52m
1 stop
American Airlines Logo
6:00 am - 1:28 pm
STL
-
CHS
6h 28m
1 stop
$228American Airlines
Mon, Aug 10 - Wed, Aug 12
Southwest Logo
5:20 pm - 6:25 pm
CHS
-
STL
2h 05mnonstop
Southwest Logo
12:50 pm - 9:10 pm
STL
-
CHS
7h 20m
1 stop
$229Southwest
Mon, Aug 10 - Thu, Aug 13
Delta Logo
5:10 am - 9:54 am
CHS
-
STL
5h 44m
1 stop
Delta Logo
6:00 am - 1:11 pm
STL
-
CHS
6h 11m
1 stop
$235Delta
Tue, Jun 30 - Tue, Jul 7
Southwest Logo
1:50 pm - 3:00 pm
CHS
-
STL
2h 10mnonstop
Southwest Logo
3:15 pm - 6:15 pm
STL
-
CHS
2h 00mnonstop
$237Southwest
Tue, Jun 30 - Tue, Jul 7
Southwest Logo
2:10 pm - 5:25 pm
CHS
-
STL
4h 15m
1 stop
Southwest Logo
3:15 pm - 6:15 pm
STL
-
CHS
2h 00mnonstop
$242Southwest
Tue, Sep 15 - Thu, Sep 17
Multiple Airlines Logo
9:18 am - 11:55 pm
CHS
-
ORD
15h 37m
1 stop
Multiple Airlines Logo
7:45 am - 4:03 pm
ORD
-
CHS
7h 18m
1 stop
$276Multiple Airlines
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
8:20 pm - 8:02 am
CHS
-
ORD
36h 42m
2 stops
Multiple Airlines Logo
5:13 pm - 8:38 am
ORD
-
CHS
14h 25m
1 stop
$280Multiple Airlines
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
6:00 am - 12:38 pm
CHS
-
PIA
7h 38m
1 stop
United Airlines Logo
1:13 pm - 9:48 pm
PIA
-
CHS
7h 35m
1 stop
$309United Airlines
Thu, Jul 23 - Mon, Jul 27
United Airlines Logo
3:08 pm - 6:56 pm
CHS
-
MLI
4h 48m
1 stop
United Airlines Logo
1:15 pm - 9:48 pm
MLI
-
CHS
7h 33m
1 stop
$309United Airlines
Booking Insights

KAYAK's insights & trends for Charleston to Illinois flights

Get data-powered insights and trends into flights from Charleston to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Charleston to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Charleston to Illinois departing in September.

What is the cheapest Charleston to Illinois flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Illinois from Charleston found in the last 5 days was to Chicago, at $270 round-trip. The most popular route is from Charleston (CHS) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 5 days was $270.

What is the cheapest time of day to fly to Illinois?

The average price for all round-trip flights from Charleston to Illinois depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Illinois is generally at night, when round-trip flights cost $406 on average. On average, there is no price difference when choosing to fly in the morning or the evening on this flight route. The most expensive time of day to fly to Illinois is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $538.

Can I save money by flying with a layover from Charleston to Illinois?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $337, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Charleston to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Charleston to Illinois is September, when tickets cost $104 (return) on average. On the other hand, the most expensive months are March and June, when the average cost of round-trip tickets is $237 and $225 respectively.

What’s the cheapest day of the week to fly from Charleston to Illinois?

The average price of all round-trip flights from Charleston to Illinois clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Illinois on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Charleston to Illinois. For your return ticket, we recommend flying on a Monday and avoiding Sundays for the best deals.

How far in advance should I book a flight from Charleston to Illinois?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Charleston to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Charleston to Illinois, you should book around 4 weeks before departure, which saves you about 49% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$89
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Charleston to St. Louis

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Charleston to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Charleston to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Charleston to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Charleston to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Charleston to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Charleston to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Charleston to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Charleston to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Illinois

  • Looking for a cheap flight? 25% of our users found tickets from Charleston to the following destinations at these prices or less: Chicago $200 one-way - $345 round-trip

Reviews of the top 4 airlines serving from Charleston to Illinois

 
See real verified KAYAK customer reviews for airlines flying from Charleston to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Charleston to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4255 reviews
8.6Crew
7.5Entertainment
7.0Food
8.0Comfort
8.1Boarding
Airline reviews

OKay. I sat in the back of the plane and it was really loud between babies and little kids, and adults who.like to talk a lot and loudly most of the flight.

6.0 GoodAnonymous, Jun 2026
MDW - BDL
Read more Southwest reviews

OKay. I sat in the back of the plane and it was really loud between babies and little kids, and adults who.like to talk a lot and loudly most of the flight.

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

Was fine, delayed and feels like southwest is always late

I don't know why flying out of Sarasota requires two plane changes.

The first time I flew in the extra legroom section. It was difficult to notice a difference. I had bad luck with my neighbors. The crew was okay. Southwest has reduced the live TV options.

The flight was smooth. The Southwest experience has degraded overall, but this one was okay.

No gluten free snacks. Seats felt worn or bare bones even though it was a new 737 MAX 8.

One major problem that was very unprofessional and uncalled for. Plane landed and we had to wait 20 minutes to get off the plane since they were waiting for someone to come to the gate to drive the jetway. Southwest couldn't have someone available and waiting for the plane to land? Is there only one person in Hobby airport who knows to drive the jetway? Was he at lunch? In the bar? Uncomfortable and uncalled for!

The checking experience in Orlando was terrible, almost missed the flight. Too many travelers and Southwest completely understaffed.

I'm glad it wasn't only 75% full because I could get a good seat

Connection flights should be spaced out farther because too close I missed my connection.

Definitely a southern flavor. Cordiality was evident even though no drinks or snacks were served.

On time! There were plenty of airport employees who were able to keep us moving in the right direction. The crew on the plane were professional.

Left /arrived on time. Decent seat space. Like the wifi/plugs and entertainment. Windows and tray table were kinda gross. Attendants didn't start snack service til 40mins before landing. Two rows before us, captain came on to say there's turbulence and recalled staff to seats. So, no drink/snack. Later, attendants didn't stop to see if we had trash nor even look our way. Felt invisible! Almost all pilot announcements were not only unintelligible, but so quiet. We had no idea what she said.

Average seat comfort, a drink and chips were provided, early boarding because we checked a carryon at the gate was nice. Ticket pricing shenanigans, including fees to pick a seat, check a bag, and get food onboard - evidence the industry is reinvigorating last century’s strategies- destroys the experience before one ever arrives at the airport. It’s difficult to recognize any value or sustain loyalty in the end-to-end process making air travel more drudgery than pleasure.

Gate agent was unhelpful for handicapped boarding. Flight attendant seemed untrained.

No service flight that took 5 hrs and a stop at an unscheduled airport. Crew and pilots did their jobs

Clean planes and not take my comfort class seat away.

Weather caused a long delay, but the efficiency and updates from the pilot were helpful. We were able to make our connection fortunately.

Planes were clean, no water or snacks on either flight.

Boarded early, left early, arrived 40 mins early! A win win for me!

These airplanes should be illegal. The seats are two tight, it is a safety issue. Wheelchair support was ridiculously slow. We almost missed our flight.

This flight is a quick way to get to Chicago, but a bit expensive.

O’hsre taxi and deboarding took 40 minutes. Needed 20 minutes extra time between connecting flights to avoid running through terminal.

Standard flight with a drinks and a snack- overall very quick flight. The flight attendants were very strict, bordered on rude.

Delayed - weather wasn't bad at either end. Also sat on tarmac in ORD.

boarded early to only find out that flight would sit at gate for 45 min to an hour. Landed in chicago and sat on runway for over an hour before got to gate. Total delay was extensive for a 45 min flight door to door.

The flight was significantly delayed. The inbound flight from EWR was delayed departing because of mechanical problems. My original departure from CLT was 5:28 pm but due to the delay of the inbound flight, after arrival, deplaning, cleaning, boarding, we did not push back from the gate until 9:00 pm. Once in the air, the flight was smooth and what was originally supposed to be an arrival in ORD at 7:30 pm local time turned out to be 9:35 pm.

The flight I was supposed to be on was supposed to take off at 1:50 from State College. It was delayed over and over and over again until somehow I had to rebook on a flight that was supposed to have left State College at 8 am that morning but didn't end up taking off until almost 6 pm. Not only was this completely unacceptable, the "token from United" was a 15 dollar meal voucher that has to be used by today. I would personally like some miles added to my account for this inconvenience. I was in transit for 8 hours from the time I arrive at State College Aiport to when I got home. I was supposed to be home at 3 pm and I returned at 8 pm. Unacceptable. I have not been on an on Time united flight in nearly 5 years.

newer aircraft, ability to connect my headset via blue tooth for entertainment.

The flight from LA to Chicago was smooth and service was very good overall.

The Mario was so helpful and provided amazing customer service however l have being waiting for a callback for almost a week now and have not heard anything further after l informed them l wanted to change my date of traveling because of my hospital appointment even send them proof and l was unable to use manag your booking on their website is a bit frustrating and l would appreciate an update on My request as soon as possible. And have called them times without numbers no response

Awful, tons of delays, I got into Chicago multiple hours late meaning I hit the very traffic I tried so desperately to avoid. Just empty apologies from American Airlines text alerts. Trash behavior from a trash airline.

They lost my baggage and I am still struggling to the information and update

Requested early boarding to disinfect seat, tray table, etc. before general boarding. Instructed to board after wheelchair passengers. Waited on jet bridge behind 12 wheelchair passengers. Stopped immediately after entering plane to wait for gate agent in rear of plane cleaning a seat that was wet, got to my row and found both seats adjacent to mine already occupied, with the lack of room making it impossible for me to clean my own space and defeating the purpose of my boarding early. Cleaned the armrests and tray table as best I could.

The wifi experience is awful. I had to try again and again, taking over 30 minutes, to connect to the wifi. I had to watch the same two ads over and over until I was finally successful. Once connected, it was anything but "high speed" and disconnected at least three times during the flight.

It was good, the staff was great, and the food, was as usual, tea and biscuit. Bathroom was clean, and the plane was clean as well.

Very good I can’t complain one bit. Thank you American Airlines for making my flight enjoyable and safe!

Flight was fine, but not having WiFi was a major negative

The staff and service on American Airlines were truly outstanding. I had requested wheelchair assistance for my mother due to her knee issues, and the team went above and beyond every step of the way—from boarding in Boston to our arrival in Chicago. Their care, professionalism, and attentiveness made the entire experience smooth and stress-free. I’m very grateful for the support they provided.

Everything you need to know for your flight from Charleston to Illinois

Information on your arrival and departure airports