Cheap flights from Syracuse to Illinois from $131

The cheapest month to fly to Illinois from Syracuse is in January. Flight prices, which tend to average around $298, 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 January, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $329.

The cheapest day to depart from Syracuse to Illinois is on a Friday when prices can be found for as low as $452. Flights from Syracuse to Illinois on a Sunday will generally be more expensive and average around $635. 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 Syracuse to Illinois during this time can be as low as $436. Flights in the morning are often more expensive with an average ticket price of $500.

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

You are more likely to see cheaper flights to Illinois from Syracuse when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $364 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Syracuse for as low as $268 on momondo.

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

Frontier, American Airlines, and United Airlines are the most popular carriers operating from Syracuse Hancock Intl to Illinois

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Illinois from Syracuse according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

22 flights are operational daily from Syracuse to Illinois as of November 2026. The most popular departure time for this route is 12:00PM, with 58% of flights per day taking off in the afternoon.

As of November 2026, 160 flights take off from Syracuse and land in Illinois each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.