Cheap flights from Frankfurt am Main to Chicago from $324

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Frankfurt am Main averaging around $739.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $824. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Frankfurt am Main because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $918.

Flying to Chicago O'Hare Intl Airport from Frankfurt am Main in the morning is the least expensive time of day to depart. momondo users have found prices as low as $867 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around $872. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Frankfurt am Main when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $816 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Frankfurt am Main for as low as $699 on momondo.

There are 3 cabin classes available to choose from on Frankfurt am Main to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 154 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 18% of their flights experiencing any sort of delay.

13 flights are operational daily from Frankfurt am Main to Chicago O'Hare Intl Airport as of August 2026. The most popular departure time for this route is 10:00AM, with 53% of flights per day taking off at noon.

91 flights are operational weekly from Frankfurt am Main to Chicago O'Hare Intl Airport as of August 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.