Cheap flights from Frankfurt am Main Airport to Chicago from €411

The cheapest month to fly to Chicago from Frankfurt am Main Airport is in September. Flight prices, which tend to average around €560, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago in September, then you should wait until February to fly from Frankfurt am Main Airport, when ticket prices are also cheap, with an average price of €563.

You are more likely to see cheaper flights to Chicago from Frankfurt am Main Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around €632 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Frankfurt am Main Airport for as low as €532 on momondo.

Historically, on average around 18% of flights between Frankfurt am Main and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 156 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

11 flights are operational daily from Frankfurt am Main Airport to Chicago as of March 2026. The most popular departure time for this route is 10:00, with 61% of flights per day taking off at midday.

As of March 2026, 80 flights take off from Frankfurt am Main Airport and land in Chicago each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.