Cheap flights from France to Illinois from $389

The cheapest month to fly to Illinois from France is in February. Flight prices, which tend to average around $639, 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 $645.

The cheapest day to depart from France to Illinois is on a Thursday when prices can be found for as low as $779. Flights from France to Illinois on a Sunday will generally be more expensive and average around $1,042. 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 at noon. Flights from France to Illinois during this time can be as low as $846. Flights in the morning are often more expensive with an average ticket price of $914.

Fly from Paris Charles de Gaulle to Chicago O'Hare Intl for the best France - Illinois flight prices

You are more likely to see cheaper flights to Illinois from France when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $832 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from France for as low as $606 on momondo.

There are 3 cabin classes available to choose from on France to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air France, Finnair, and Delta are the most popular carriers operating from France to Illinois

United Airlines, Air France and Delta are the top three most popular airlines that fly to Illinois from France according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

As of September 2026, there are 17 flights per day flying from France to Illinois. The most common time of day flights depart is 2:00PM, with 60% of flights taking off in the afternoon.

As of September 2026, 123 flights take off from France 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.