Cheap flights from Huntsville to Illinois from $97

The cheapest month to fly to Illinois from Huntsville is in December. Flight prices, which tend to average around $279, 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 December, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $279.

The cheapest day to depart from Huntsville to Illinois is on a Thursday when prices can be found for as low as $397. Flights from Huntsville to Illinois on a Monday will generally be more expensive and average around $794. 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 morning. Flights from Huntsville to Illinois during this time can be as low as $460. Flights in the afternoon are often more expensive with an average ticket price of $889.

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

You are more likely to see cheaper flights to Illinois from Huntsville when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $310 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Huntsville for as low as $189 on momondo.

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

United Airlines is the most popular carrier operating from Huntsville to Illinois

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Huntsville according to our data. United Airlines is the first choice among our users, with 43% 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 October 2026, 7 flights take off from Huntsville and land in Illinois each day. The most common flight departure time for this route is 10:00AM, with 88% of daily flights taking off at noon.

As of October 2026, there are 54 flights per week flying from Huntsville to Illinois. The most common day of the week flights depart is Thu, with 28% of flights taking off on this day.