Cheap flights from Minnesota to Illinois from $58

The cheapest month to fly to Illinois from Minnesota is in September. Flight prices, which tend to average around $143, 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 September, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $143.

The cheapest day to depart from Minnesota to Illinois is on a Friday when prices can be found for as low as $376. Flights from Minnesota to Illinois on a Monday will generally be more expensive and average around $753. 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 Minnesota to Illinois during this time can be as low as $434. Flights at noon are often more expensive with an average ticket price of $719.

Fly from Minneapolis St Paul to Chicago O'Hare Intl for the best Minnesota - Illinois flight prices

You are more likely to see cheaper flights to Illinois from Minnesota when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $208 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Minnesota for as low as $151 on momondo.

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

Delta, Frontier, and Sun Country Air are the most popular carriers operating from Minnesota to Illinois

United Airlines, Delta and Sun Country Air are the top three most popular airlines that fly to Illinois from Minnesota according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of March 2026, 139 flights take off from Minnesota and land in Illinois each day. The most common flight departure time for this route is 10:00AM, with 56% of daily flights taking off at noon.

As of March 2026, there are 979 flights per week flying from Minnesota to Illinois. The most common day of the week flights depart is Sun, with 18% of flights taking off on this day.