$97 Find Cheap Flights from Charleston to Illinois - Compare and Save

The cheapest ticket to Illinois from Charleston found in the last 5 days was to Chicago, at $237 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 $276.

The cheapest time of day to fly to Illinois is generally at night, when round-trip flights cost $404 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 $586.

No, with an average price for the route of $393, prices are generally cheapest when you fly direct.

The cheapest month for flights from Charleston to Illinois is September, when tickets cost $337 (return) on average. On the other hand, the most expensive months are July and May, when the average cost of round-trip tickets is $410 and $399 respectively.

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 Tuesday and avoiding Sundays for the best deals.

To get a below average price on the flight from Charleston to Illinois, you should book around 5 weeks before departure, which saves you about 50% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

There are 3 airlines that fly nonstop from Charleston to Illinois. They are: American Airlines, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Southwest at $190 for a round-trip flight to Chicago Midway Airport (MDW). On average, Southwest offers the best prices for nonstop flights between Charleston and Illinois.

American Airlines connects Charleston to Illinois with 21 flights per week. Air Canada also offers 21 flights per week, while Alaska Airlines follows with 21 flights per week.

The duration of a flight to Illinois depends on your arrival airport. The shortest routes to Illinois from Charleston are to Moline, which takes 4h 10m, Peoria, which takes 4h 36m, and Chicago, which takes 7h 50m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Charleston to Illinois departs at 6:00 am, landing in Chicago at 7:33 am.

If you prefer to fly at night, the latest flight from Charleston to Illinois jets off at 8:21 pm and lands in Chicago at 10:00 pm.