Cheap flights from Fort Lauderdale to Illinois from $49

The cheapest month to fly to Illinois from Fort Lauderdale is in February. Flight prices, which tend to average around $131, 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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $171.

The cheapest day to depart from Fort Lauderdale to Illinois is on a Thursday when prices can be found for as low as $296. Flights from Fort Lauderdale to Illinois on a Monday will generally be more expensive and average around $407. 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 evening. Flights from Fort Lauderdale to Illinois during this time can be as low as $229. Flights in the afternoon are often more expensive with an average ticket price of $363.

Fly from Fort Lauderdale to Chicago Greater Rockford for the best Fort Lauderdale - Illinois flight prices

You are more likely to see cheaper flights to Illinois from Fort Lauderdale when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $230 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Fort Lauderdale for as low as $172 on momondo.

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

Allegiant Air, Southwest, and United Airlines are the most popular carriers operating from Fort Lauderdale to Illinois

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Illinois from Fort Lauderdale according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of September 2026, 21 flights take off from Fort Lauderdale and land in Illinois each day. The most common flight departure time for this route is 12:00PM, with 47% of daily flights taking off in the afternoon.

As of September 2026, there are 147 flights per week flying from Fort Lauderdale to Illinois. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.