$303 Find Cheap Flights from Illinois to Denmark - Compare and Save

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Denmark.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Denmark is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Illinois to Denmark with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Denmark up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Illinois and Denmark are connected by different airlines. The airlines that fly that route the most regularly are Scandinavian Airlines (10 flights per week), Air France (7 flights per week), and Delta (7 flights per week).

There are 8 airports in Denmark. The busiest airport is Copenhagen Airport, Kastrup (CPH), with 86% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Denmark is Kastrup Copenhagen Airport (CPH), with an average flight price of $736.

Based on KAYAK data, the cheapest day to fly to Denmark is Wednesday where round-trip tickets can be as cheap as $629. On the other hand, the most expensive day to fly is Tuesday, where round-trip prices are $703 on average.

The cheapest time of day to fly to Denmark is generally at night, when round-trip flights cost $659 on average. The most expensive time of day to fly to Denmark is generally at night, which is peak travel time and where the average cost of a ticket is $659.

The cheapest ticket to Denmark from Illinois found in the last 5 days was to Copenhagen, at $605 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to Copenhagen (CPH) and the cheapest round-trip airline ticket found on this route in the last 5 days was $605.

The cheapest month for flights from Illinois to Denmark is August, when tickets cost $154 (return) on average. On the other hand, the most expensive months are March and June, when the average cost of round-trip tickets is $363 and $356 respectively.

To get a below average price on the flight from Illinois to Denmark, you should book around 5 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

From Illinois, there are direct flights to Denmark from 1 city. This city is Chicago and there are 24 direct flights each week.

There are around 4 direct flights from within Illinois to Denmark every day. All flights depart in the evening.

Each week there are around 24 direct flights from within Illinois to Denmark. The most common day for departures is Friday, with 17% of flights taking off on this day.

An average nonstop flight from Illinois to Denmark takes 13h 36m, covering a distance of 4226 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Copenhagen (CPH) with an average flight time of 8h 10m.

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Denmark. Instead, there are 24 long-haul flights (6-12 hour flight duration), with the most arriving from Chicago.

Based on KAYAK flight searches, the most popular destination is Copenhagen (96% of total searches to Denmark). The next most popular destinations are Billund (2%) and Aalborg (1%). Searches for flights to Aarhus (1%) are also popular.