Cheap flights from Chicago to Frankfurt am Main from $246

In general, September is the cheapest month to fly from Chicago to Frankfurt am Main. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $137. If you’re not able to fly to Frankfurt am Main in September, then January is your next best option. Flight prices from Chicago to Frankfurt am Main during January average around $392.

The cheapest day to depart on your flight to Frankfurt am Main is on a Tuesday when prices can be found for as low as $914. 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 Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,036.

Flying to Frankfurt am Main from Chicago in the evening is the least expensive time of day to depart. momondo users have found prices as low as $927 when looking at flights departing in the evening. Flights to Frankfurt am Main are more costly at noon, with an average ticket price of $994. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Frankfurt am Main from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Frankfurt am Main for around $880 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Frankfurt am Main from Chicago for as low as $836 on momondo.

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

Delta, KLM, and British Airways are the most popular carriers operating from Chicago to Frankfurt am Main

Lufthansa, United Airlines and Scandinavian Airlines are the top three most popular airlines that fly to Frankfurt am Main from Chicago 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 Frankfurt am Main. Keep in mind that there are 8 different airlines that fly to Frankfurt am Main on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 13 flights per day flying from Chicago to Frankfurt am Main. The most common time of day flights depart is 4:00PM, with 54% of flights taking off in the afternoon.

The number of flights available between Chicago and Frankfurt am Main is 91 per week as of June 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.