$103 Find Cheap Flights from Illinois to South Carolina - Compare and Save

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Low season

January

Cheapest flight

$103
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Chicago O'Hare Airport to Charleston

FAQs for booking flights from Illinois to South Carolina

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

    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 Illinois to South Carolina.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to South Carolina 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 Illinois to South Carolina?

    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 Illinois to South Carolina 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 Illinois to South Carolina?

    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 Illinois to South Carolina up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines fly most frequently to South Carolina?

    Illinois and South Carolina are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (123 flights per week), Air New Zealand (119 flights per week), and American Airlines (104 flights per week).

  • How many airports are there in South Carolina?

    There are 6 airports in South Carolina. The busiest airport is Charleston Municipal Airport (CHS), with 40% of all flights arriving there.

  • Which is the cheapest airport to fly into in South Carolina?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in South Carolina is Charleston Airport (CHS), with an average flight price of $261.

  • What is the cheapest day to fly to South Carolina?

    Based on KAYAK data, the cheapest day to fly to South Carolina is Wednesday where round-trip tickets can be as cheap as $354. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $413 on average.

  • What is the cheapest time of day to fly to South Carolina?

    The cheapest time of day to fly to South Carolina is generally at night, when round-trip flights cost $376 on average. Morning departures are around 1% cheaper than evening flights, on average. The most expensive time of day to fly to South Carolina is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $400.

  • What is the cheapest flight to South Carolina?

    The cheapest ticket to South Carolina from Illinois found in the last 5 days was to Myrtle Beach, at $160 round-trip. The most popular route is Chicago Midway Airport (MDW) to Charleston (CHS) and the cheapest round-trip airline ticket found on this route in the last 5 days was $235.

  • What is the cheapest month to fly from Illinois to South Carolina?

    The cheapest month for flights from Illinois to South Carolina is May, when tickets cost $223 (return) on average. On the other hand, the most expensive months are March and February, when the average cost of round-trip tickets is $286 and $271 respectively.

  • How far in advance should I book a flight from Illinois to South Carolina?

    To get a below average price on the flight from Illinois to South Carolina, you should book around 4 weeks before departure, which saves you about 40% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

  • How many cities have direct flights to South Carolina?

    From Illinois, there are direct flights to South Carolina from 1 city. This city is Chicago and there are 701 direct flights each week.

  • How many direct flights to South Carolina are there each day?

    There are around 101 direct flights from within Illinois to South Carolina every day. Most flights (38%) depart in the afternoon.

  • How many direct flights to South Carolina are there each week?

    Each week there are around 701 direct flights from within Illinois to South Carolina. The most common day for departures is Sunday, with 15% of flights taking off on this day.

  • How long is the flight to South Carolina?

    An average nonstop flight from Illinois to South Carolina takes 4h 00m, covering a distance of 676 miles. The shortest route is St. Louis (STL) to Charlotte (CLT) with an average flight time of 1h 45m.

  • How many long-haul flights are there to South Carolina each week?

    There are not any long-haul (6-12 hour flight duration) or medium-haul (3-6 hour flight duration) flights to South Carolina. Instead, there are 701 short-haul flights (up to 3 hour flight duration), with the most arriving from Chicago.

  • What are the most popular destinations in South Carolina?

    Based on KAYAK flight searches, the most popular destination is Charlotte (41% of total searches to South Carolina). The next most popular destinations are Charleston (21%) and Savannah (14%). Searches for flights to Greenville (8%), to Columbia (7%) and to Myrtle Beach (6%) are also popular.

Reviews of the top 5 airlines serving from Illinois to South Carolina

 
Need help choosing which airline to fly with from Illinois to South Carolina? 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.
7.9
SouthwestOverall score based on 4217 reviews
7.4Entertainment
8.1Boarding
7.0Food
8.6Crew
8.0Comfort
Airline reviews

Multiple delays due to weather in Chicago, but the crew did their best to get flights rescheduled and on to their destination. I felt like the crews handled a frustrating situation very well, kudos to them! I was very glad to not have a cancelled flight.

8.0 ExcellentEmmalee, Oct 2026
Read more Southwest reviews

Multiple delays due to weather in Chicago, but the crew did their best to get flights rescheduled and on to their destination. I felt like the crews handled a frustrating situation very well, kudos to them! I was very glad to not have a cancelled flight.

Southwest’s point to point system caused a 2 hour delay due to the crew being late from their inbound flight. Also, the WiFi and entertainment didn’t work on the plane.

A) Checked my luggage at the gate but never got to pre board B) if we are helping with checking our carryon and waiting 40 minutes for it we should have some privileges c) luggage took 40-45 minutes to come.. d) I asked for another snack and was told the plane is full.. seriously a small snack

I like the staff members they were super nice and helpful very sweet people :)

Nice managed … it was a smaller plane, so the seating wasn’t as comfortable.

Boarding process of asking for volunteers to check bags goes against the system you had before with 2 bags checked free. This process is more of a guilt trip than a caring attitude toward the customer. In addition bag-size scrutiny has increased which also slows down the process of boarding. My wife said she will not fly on your airline again unless there is no other option.

Overall good, just screaming kids in the area the whole flight.

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.

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

Check-in, Boarding and flight were smooth. All the employees and crew was very nice and funny. They gave the kids crayons and workbooks to keep them occupied which was a big win. I’ve flown Southwest many times and that’s the first time I’ve seen that and it is a great addition.

No beverage/snack service without any explanation or reason. Late boarding and delayed flight.

The cabin and bathroom experience was poor as the cabin and bathroom were dirty and showed signs of an older plane that had not been updated for Customer’s, comfort and health. There was gum on my seat when I arrived and dirt spots around the fan and light controls. The flight was almost entirely full, so there was no way I could be moved from my seat. Th bathroom had the peeling paint.

Flight was delayed before take off and at landing. Baggage took 20 minutes. Flight crew would not serve full soft drink and had to ask multiple times before receiving water.

For some reason, TSA Atlanta didn’t have my bag on the flight on time and they don’t have to provide Delta a reason for that.

I am still at the Airport! Delayed Delayed and Delyaed

The landing was the worst I’ve experienced with a flight.

It was last minute due to weather - considering - it was amazing! Good smiles, friendly staff and they were making sure we knew what was going on when and where.

All good on Delta's part. Passengers could be a little more courteous to each other.

The pilots were good. Disappointing when planes don't have electrical ports

No complaints - left 20 minutes later than planned but still arrived on time.

Great flight and crew. Need more legroom and DO NOT allow seats to recline.

The guy in front of me was talking constantly, even when the pilot was making announcements. I found this very disrespectful to the pilot and to others.

The TVs on the plane were all broken and inoperable. No snacks or food were served. Plane was very old and uncomfortable.

Takeoff delayed 2 hrs. Boarded on time to find we were missing part of the flight crew. Then informed that they had loaded too much fuel. Spent 1 1/2 hrs sitting there burning off the excess, which included a couple of laps around the runway until we were light enough to fly! Ridiculous!

I especially enjoyed having a lightly packed flight which enabled me and my wife to occupy a three seat area with nobody in the middle seat.

The seats are very small, that is all the staff did a good job.

It was great. The staff is always helpful and polite. The app is great and makes the whole trip and process so easy. They even offer a step to step guide to your correct terminal. And they keep all the information you'll need updated. Anything you can think of! Great experience.

Price was crazy watch it if you Chan he your flight

On time, easy boarding. Anytime you sit in an economy seat, it’s uncomfortable. New plane and the bathrooms were in the galley at the back of the plane which seemed odd.

Awful. No counter attendants. No dinner offered due to delays.

Terrible. We needed to change return flights due to an incoming hurricane. They would not refund our return flight.

The employees at Sioux Falls airport were friendly and helpful. As a veteran/retired military Allegiant allows two checked bags, one carry on bag and a seat on the plane all at no cost. The flight crew and pilots were friendly and very competent.

The check-in and flight crew employees are excellent. The flight was good and the seats were adequate.

The flights to and from Cincinnati were great at being on time for both, departures and arrivals. The planes could use some updating.

It was on time. Flight was comfortable. Staff was nice. It was the way a flight should always be.

It was canceled. The flight wasn’t rescheduled, everyone had to figure out their own new arrangements. They said we would get refunded our original fare and receive an additional $150. We received links for $100 only and they expired before we could activate them.

The plane had originated in Las Vegas at 6:30 in the morning and flew to Moline where we boarded. The flight left around 12:30 PM and there were no boxed snacks available and many of the alcoholic beverages were unavailable. I would find it hard to believe that that many of the passengers coming from Las Vegas at 6:30 in the morning, drank and ate that much of the items. I can only come to the conclusion that someone failed to stock the plane for the round-trip. This is a huge revenue failure for the airline and disappointment for the passengers. The flight crew did not seem happy to be there and did not engage with passengers. Allegiant you can do better.

Posted a 20minute delay but didn’t delay at all. Caused boarding issues and confusion. Also, didn’t release baggage. Took over an hour and 20 minutes to get luggage.

No frills, value airline. This trip was exactly what I expected. The flight was on time departing and arrived ahead of schedule. The crew was very efficient at getting people on and off the plane. I think the carry-on bag charges discouraged most people from bringing one, which led to quicker de-planing. I was careful to only bring a carefully packed personal item that was under the size limit. If you keep in mind that everything costs extra with this airline (including snacks, drinks, and printing boarding passes), and go into this with the right expectations, then all will be well. For the price difference, I would fly this airline again. My flight was only 1 hr. 20 minutes though. Much longer than that and comfort might drive me to another airline. The seats are very basic and don't recline at all.

I went to lower my tray table and it was very nasty. Looks like some one had left some food on it and then just closed it up.

Both departure and return flights had mechanical delays. Their planes are antiquated resulting in a two hour flight taking almost four hours to complete.

Crew were helpful, pilot kept us informed about turbulence, snack choice was awesome!

It was one of the worst I have ever had. The plane was over booked, and I did not have a seat. When I questioned why because I had booked this weeks in advance. I was brushed off to be advised they are trying to find someone to give up their seat. Only to be advised I would be boarding last. I had priority boarding in group 1-4. When I asked why I had to be last because that is not what I paid for I was advised it doesn't matter you will get a seat. The ticket person was very rude and unprofessional. The gate changed several times and it was going from one area to another area far away from where we were at. I feel like I should have been compensated in some kind of way because of the way I was treated. The ticket agent acted like it was my fault that the plane was over booked. Not one time was I apologized to for this inconvenience.

First class snacks - stewardess gave out multiples to everyone until there was almost no selection left when she got back to me last in first class cabin. Nothing left that I would eat.

Very turbulent flight, no drinks, very little service, unorganized boarding, gate changed multiple times

Poor seat in rear of aircraft Food at Admiral’s Club Terminal D at DFW inedible

Multiple gate changes and significant delay leaving DFW. Made for a late arrival

For the price of the ticket you get nothing. The plane had 1 bathroom in the back and when the flight attendant did service no one could use it. No announcement just was told to go back to my seat. Ridiculous and rude.

In-flight Wi-Fi didn’t work and the flight was 25 minutes late. The Embraer plane I was on was pretty old and the tray table was broken.

American Airlines no longer has Bischoff biscuits. This is intolerable.

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