Cheap flights from Chicago to Copenhagen from $251

The cheapest month to fly to Copenhagen from Chicago is in May. Flight prices, which tend to average around $307, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $330.

The cheapest day to depart from Chicago to Copenhagen is on a Wednesday when prices can be found for as low as $600. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Copenhagen for around $675.

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

You are more likely to see cheaper flights to Copenhagen from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $671 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from Chicago for as low as $592 on momondo.

There are 3 cabin classes available to choose from on Chicago to Copenhagen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 12% on your flight if you consider stops on a Chicago to Copenhagen flight.

Delta, United Airlines, and KLM are the most popular carriers operating from Chicago to Kastrup Copenhagen

Scandinavian Airlines, Icelandair and United Airlines are the top three most popular airlines that fly to Copenhagen from Chicago according to our data. Scandinavian Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Copenhagen. Keep in mind that there are 9 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% of flights between Chicago and Copenhagen have experienced a delay on any given week. The average delay length over the past 12 months has been 181 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.

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

According to our data, Scandinavian Airlines have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 71% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $510.

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 10h 50m.

Helsinki (HEL) has the shortest average layover time for this route: 1h 23m.

As of May 2026, 1 flights take off from Chicago and land in Copenhagen each day. The most common flight departure time for this route is 7:00PM, with 100% of daily flights taking off in the evening.

As of May 2026, there are 9 flights per week flying from Chicago to Copenhagen. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.