Cheap flights from Zurich to Illinois from $403

The cheapest month to fly to Illinois from Zurich is in December. Flight prices, which tend to average around $243, 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 September is also cheap. Prices for this month can be found on momondo for an average of $283.

The cheapest day to depart from Zurich to Illinois is on a Saturday when prices can be found for as low as $740. Flights from Zurich to Illinois on a Monday will generally be more expensive and average around $935. 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 Zurich to Illinois during this time can be as low as $720. Flights in the morning are often more expensive with an average ticket price of $822.

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

You are more likely to see cheaper flights to Illinois from Zurich when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $719 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Zurich for as low as $623 on momondo.

As of April 2026, there are 8 flights per day flying from Zurich to Illinois. The most common time of day flights depart is 9:00AM, with 79% of flights taking off at noon.

As of April 2026, 57 flights take off from Zurich and land in Illinois each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.