Cheap flights from Chicago O'Hare Intl Airport to Europe from $137

The cheapest month to fly to Europe from Chicago O'Hare Intl Airport is in February. Flight prices, which tend to average around $609, are often lower during this time because this is during the off-season. If you aren’t able to travel to Europe during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $642.

The cheapest day to depart from Chicago O'Hare Intl Airport to Europe is on a Tuesday. Travelers who choose to depart for Europe on a Tuesday will often find tickets for as low as $927. Flights from Chicago O'Hare Intl Airport to Europe on a Saturday will generally be more expensive and average around $1,146. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Europe is in the afternoon. momondo users have found flights departing from Chicago O'Hare Intl Airport to Europe in the afternoon for as low as $1,002. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,068. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Chicago O'Hare Intl to Kastrup Copenhagen for the best Chicago O'Hare Intl - Europe flight prices

You are more likely to see cheaper flights to Europe from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Europe for around $932 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Europe from Chicago O'Hare Intl Airport for as low as $862 on momondo.

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Europe flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

SWISS, Lufthansa, and Iberia are the most popular carriers operating from Chicago O'Hare Intl to Europe

United Airlines, TAP AIR PORTUGAL and British Airways are the top three most popular airlines that fly to Europe from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Europe. Keep in mind that there are 25 different airlines that fly to Europe on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% of flights between Chicago and Europe have experienced a delay on any given week. The average delay length over the past 12 months has been 167 minutes.

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

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Turkish Airlines have had the least number of delays on this route over the last 12 months; with about 22% of their flights experiencing any sort of delay.

As of November 2026, 90 flights take off from Chicago O'Hare Intl Airport and land in Europe each day. The most common flight departure time for this route is 7:00PM, with 83% of daily flights taking off in the evening.

As of November 2026, there are 632 flights per week flying from Chicago O'Hare Intl Airport to Europe. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.