Cheap flights from Europe to Illinois from $368

The cheapest month to fly to Illinois from Europe is in February. Flight prices, which tend to average around $656, 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 November is also cheap. Prices for this month can be found on momondo for an average of $715.

The cheapest day to depart from Europe to Illinois is on a Thursday when prices can be found for as low as $651. Flights from Europe to Illinois on a Sunday will generally be more expensive and average around $933. 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 Europe to Illinois during this time can be as low as $822. Flights in the afternoon are often more expensive with an average ticket price of $915.

Fly from Barcelona-El Prat to Chicago O'Hare Intl for the best Europe - Illinois flight prices

You are more likely to see cheaper flights to Illinois from Europe when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $893 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Europe for as low as $809 on momondo.

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

Scandinavian Airlines, Delta, and TAP AIR PORTUGAL are the most popular carriers operating from Europe to Illinois

Lufthansa, United Airlines and Austrian Airlines are the top three most popular airlines that fly to Illinois from Europe according to our data. Lufthansa 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 16 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

107 flights are operational daily from Europe to Illinois as of October 2026. The most popular departure time for this route is 1:00PM, with 51% of flights per day taking off in the afternoon.

As of October 2026, 754 flights take off from Europe and land in Illinois each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.