Cheap flights from Copenhagen to Chicago from $270

The month of September is, on average, the cheapest month to fly to Chicago from Copenhagen, with most prices found around $537. If you’re not able to fly to Chicago in September, then January is your next best option. Flight prices from Copenhagen to Chicago during January average around $550.

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $588. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Copenhagen to Chicago for around $934.

Our most recent data shows that the best time of day to fly to Chicago is at noon. Flights from Copenhagen to Chicago during this time can be as low as $701. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $963.

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

You are more likely to see cheaper flights to Chicago from Copenhagen when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $669 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Copenhagen for as low as $595 on momondo.

There are 3 cabin classes available to choose from on Kastrup Copenhagen to Chicago 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 38% on your flight if you consider stops on a Copenhagen to Chicago flight.

As of February 2026, prices for Copenhagen to Chicago flights are approximately 57% more expensive when compared to flights at the same time last year.

Historically, on average around 18% of flights between Copenhagen and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 197 minutes.

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

Wednesday 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 14% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 28% of momondo users choosing 1-stop flights on this route connected there.

Flights via Helsinki (HEL) offer the lowest average round-trip price of $336.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 13m.

Helsinki (HEL) has the shortest average layover time for this route: 1h 00m.

2 flights are operational daily from Copenhagen to Chicago as of February 2026. The most popular departure time for this route is 2:00PM, with 100% of flights per day taking off in the afternoon.

As of February 2026, 15 flights take off from Copenhagen and land in Chicago each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.