Cheap flights from Illinois to Raleigh from $65

The cheapest month to fly to Raleigh from Illinois is in October. Flight prices, which tend to average around $195, are often lower during this time because this is during the off-season. If you are unable to visit Raleigh during the month of October, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $217.

The cheapest day to depart from Illinois to Raleigh is on a Thursday when prices can be found for as low as $232. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $298. These prices are subject to change though, so be sure to set up a Price Alert for flights to Raleigh.

At noon is the cheapest time of day to fly from Illinois to Raleigh when you can find flight prices for as low as $230. Flying to Raleigh at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Raleigh is in the evening when prices are around $304.

Fly from Chicago O'Hare Intl to Raleigh-Durham for the best Illinois - Raleigh-Durham flight prices

You are more likely to see cheaper flights to Raleigh from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Raleigh for around $259 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Raleigh from Illinois for as low as $209 on momondo.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating from Illinois to Raleigh-Durham

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Raleigh from Illinois according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Raleigh. Keep in mind that there are 6 different airlines that fly to Raleigh on a routine basis, so you have a few additional options to choose from.

6 flights are operational daily from Illinois to Raleigh as of March 2026. The most popular departure time for this route is 5:00PM, with 41% of flights per day taking off in the afternoon.

As of March 2026, there are 43 flights per week flying from Illinois to Raleigh. The most common day of the week flights depart is Sat, with 67% of flights taking off on this day.