Cheap flights from Frankfurt am Main to Chicago from $384

The month of September is, on average, the cheapest month to fly to Chicago from Frankfurt am Main, with most prices found around $330. If you’re not able to fly to Chicago in September, then February is your next best option. Flight prices from Frankfurt am Main to Chicago during February average around $337.

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $792. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Frankfurt am Main to Chicago for around $894.

Our most recent data shows that the best time of day to fly to Chicago is in the morning. Flights from Frankfurt am Main to Chicago during this time can be as low as $832. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $859.

Fly from Frankfurt am Main to Chicago O'Hare Intl for the best Frankfurt am Main - Chicago flight prices

You are more likely to see cheaper flights to Chicago from Frankfurt am Main when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $770 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Frankfurt am Main for as low as $600 on momondo.

Historically, on average around 19% 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 161 minutes.

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

Sunday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

As of May 2026, there are 13 flights per day flying from Frankfurt am Main to Chicago. The most common time of day flights depart is 10:00AM, with 53% of flights taking off at noon.

As of May 2026, there are 91 flights per week flying from Frankfurt am Main to Chicago. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.