Cheap flights from Charleston to Illinois from $104
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to Illinois departing on 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Charleston to Illinois
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How to get the cheapest flight ticket from Charleston to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Charleston is in July. Flight prices, which tend to average around $323, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $327.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Charleston to Illinois is on a Friday when prices can be found for as low as $434. Flights from Charleston to Illinois on a Sunday will generally be more expensive and average around $730. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Charleston to Illinois during this time can be as low as $371. Flights in the afternoon are often more expensive with an average ticket price of $527.
What is the cheapest Charleston to Illinois flight route?
Fly from Charleston to Chicago O'Hare Intl for the best Charleston - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Charleston when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $387 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Charleston for as low as $261 on momondo.
What cabin class options are available on Charleston to Illinois flights?
There are 4 cabin classes available to choose from on Charleston to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Charleston to Illinois?
Spirit Airlines, American Airlines, and Sun Country Air are the most popular carriers operating from Charleston to Illinois
What airlines fly to Illinois?
United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Illinois from Charleston according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Charleston to Illinois on average per day?
The number of flights available between Charleston and Illinois is 17 per day as of April 2025. The most frequent departure time is 11:00AM, with 62% of daily flights leaving at noon.
How many flights depart from Charleston to Illinois on average per week?
121 flights are operational weekly from Charleston to Illinois as of April 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
Cheap Charleston to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Charleston to Illinois
When did momondo last update prices for flights from Charleston Airport to Illinois?
Prices for flights from Charleston Airport to Illinois were last updated today.
How many operators does momondo search for flights from Charleston Airport to Illinois?
As of April 2025, there are 5 operators available to choose from for flights from Charleston Airport to Illinois.
How old do you have to be to fly from Charleston Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Charleston to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Charleston to Illinois is Embraer 175 (Enhanced Winglets), representing 18.15% of all bookings. The subsequent popular models are Embraer 170 at 17.96%, Airbus A319 at 15.41%, and Boeing 737 MAX 8 at 9.36%.
Best airlines flying from Charleston to Illinois
Compare and see reviews for airlines that fly from Charleston to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $81 | Free Cancellation | Rating 6.3 7,942 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $285 | Free Cancellation | Rating 8.0 4,287 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Charleston to Illinois?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Charleston.
Can I find flights from Charleston to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Charleston to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from Charleston to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Charleston.
I’m not ready to book a flight from Charleston to Illinois right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Charleston and alert you when they change.