Cheap flights from Illinois to Greenville from $101

The month of April is another great option to travel to Greenville, with average flight prices from Illinois averaging around $262.

According to our data, Saturday is the cheapest day to fly to Greenville from Illinois. The lowest ticket price found for a Saturday departure recently was $270. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $400. These prices are subject to change though, so be sure to set up a Price Alert for flights to Greenville.

Our most recent data shows that the best time of day to fly to Greenville is in the morning. Flights from Illinois to Greenville during this time can be as low as $290. Flights to Greenville are more costly in the evening, with an average ticket price of $324. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Greenville from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Greenville for around $298 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Greenville from Illinois for as low as $222 on momondo.

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

Southwest, Allegiant Air, and Delta are the most popular carriers operating from Illinois to Greenville

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Greenville from Illinois according to our data. American Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Greenville. Keep in mind that there are 6 different airlines that fly to Greenville on a routine basis, so you have a few additional options to choose from.

As of March 2026, 13 flights take off from Illinois and land in Greenville each day. The most common flight departure time for this route is 4:00PM, with 60% of daily flights taking off in the afternoon.

As of March 2026, 93 flights take off from Illinois and land in Greenville each week. The most common flight departure day for this route is Tue, with 26% of weekly flights taking off on this day.