Cheap flights from Illinois to Florida from $42

In general, August is the cheapest month to fly from Illinois to Florida. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $169. If you’re not able to fly to Florida in August, then September is your next best option. Flight prices from Illinois to Florida during September average around $193.

On average, the least expensive day to fly to Florida from Illinois is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $240. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Florida on Monday is $303.

Flying to Florida from Illinois in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $239 when looking at flights departing in the afternoon. Flights to Florida are more costly at noon, with an average ticket price of $298. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Belleville to Sarasota Bradenton Intl for the best Illinois - Florida flight prices

You are more likely to see cheaper flights to Florida from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida for around $265 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida from Illinois for as low as $226 on momondo.

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

Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from Illinois to Florida

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Florida from Illinois according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Florida. Keep in mind that there are 10 different airlines that fly to Florida on a routine basis, so you have a few additional options to choose from.

The number of flights available between Illinois and Florida is 203 per day as of April 2026. The most frequent departure time is 6:00PM, with 42% of daily flights leaving at noon.

As of April 2026, there are 1,426 flights per week flying from Illinois to Florida. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.