Cheap flights from Cleveland to Illinois from $59

The cheapest month to fly to Illinois from Cleveland is in May. Flight prices, which tend to average around $251, 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 May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $263.

The cheapest day to depart from Cleveland to Illinois is on a Friday when prices can be found for as low as $454. Flights from Cleveland to Illinois on a Sunday will generally be more expensive and average around $650. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Cleveland to Illinois during this time can be as low as $472. Flights at noon are often more expensive with an average ticket price of $771.

Fly from Cleveland Hopkins Intl to Chicago Midway for the best Cleveland Hopkins Intl - Illinois flight prices

You are more likely to see cheaper flights to Illinois from Cleveland when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $317 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Cleveland for as low as $125 on momondo.

There are 4 cabin classes available to choose from on Cleveland to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, Southwest, and Delta are the most popular carriers operating from Cleveland Hopkins Intl to Illinois

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Illinois from Cleveland according to our data. United Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of August 2026, 49 flights take off from Cleveland and land in Illinois each day. The most common flight departure time for this route is 4:00PM, with 52% of daily flights taking off in the afternoon.

As of August 2026, 344 flights take off from Cleveland and land in Illinois each week. The most common flight departure day for this route is Sun, with 19% of weekly flights taking off on this day.