$176 Find Cheap Flights from Illinois to Denmark

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Denmark

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info

Good to know

Low seasonFebruary
High seasonJune
Cheapest flight$176
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Chicago O'Hare Airport to Copenhagen

FAQs for booking flights from Illinois to Denmark

  • How does KAYAK find such low prices on flights from Illinois to Denmark?

    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.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket 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.

  • What is the Hacker Fare option on flights from Illinois to Denmark?

    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.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Denmark?

    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.

  • Which is the cheapest airport to fly into in Denmark?

    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 $534.

  • What is the cheapest day to fly to Denmark?

    Based on KAYAK data, the cheapest day to fly to Denmark is Monday where round-trip tickets can be as cheap as $562. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $698 on average.

  • What is the cheapest time of day to fly to Denmark?

    The cheapest time of day to fly to Denmark is generally in the evening, when round-trip flights cost $617 on average. Morning departures are around 10% more expensive than evening flights, on average. The most expensive time of day to fly to Denmark is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $713.

  • What is the cheapest flight to Denmark?

    The cheapest ticket to Denmark from Illinois found in the last 72 hours was to Copenhagen, at $388 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 72 hours was $388.

  • What is the cheapest month to fly from Illinois to Denmark?

    The cheapest month for flights from Illinois to Denmark is February, when tickets cost $428 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $776 and $745 respectively.

  • How far in advance should I book a flight from Illinois to Denmark?

    To get a below average price on the flight from Illinois to Denmark, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

  • How long is the flight to Denmark?

    An average nonstop flight from Illinois to Denmark takes 12h 39m, 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 05m.

  • What are the most popular destinations in Denmark?

    Based on KAYAK flight searches, the most popular destination is Copenhagen (93% of total searches to Denmark). The next most popular destinations are Billund (6%) and Aarhus (1%). Searches for flights to Aalborg (1%) are also popular.

Book cheap flights from Illinois to Denmark

Recent round-trip flight deals

10/20Mon
nonstopScandinavian Airlines
8h 30mORD-CPH
11/3Mon
nonstopScandinavian Airlines
9h 15mCPH-ORD
$384
10/7Tue
nonstopScandinavian Airlines
8h 30mORD-CPH
10/23Thu
nonstopScandinavian Airlines
9h 15mCPH-ORD
$399
10/19Sun
1 stopIcelandair
16h 30mORD-CPH
11/3Mon
1 stopIcelandair
11h 25mCPH-ORD
$420
10/20Mon
1 stopIcelandair
19h 20mORD-CPH
11/3Mon
1 stopIcelandair
11h 25mCPH-ORD
$424
12/12Fri
1 stopTAP AIR PORTUGAL
20h 25mORD-CPH
12/26Fri
1 stopTAP AIR PORTUGAL
16h 15mCPH-ORD
$427
9/29Mon
1 stopTAP AIR PORTUGAL
15h 40mORD-CPH
10/14Tue
1 stopTAP AIR PORTUGAL
29h 30mCPH-ORD
$428
10/20Mon
2 stops
17h 10mORD-CPH
11/3Mon
2 stops
14h 50mCPH-ORD
$475
10/20Mon
2 stops
17h 10mORD-CPH
11/3Mon
2 stops
14h 50mCPH-ORD
$476
10/14Tue
1 stopKLM
11h 15mORD-CPH
10/21Tue
1 stopKLM
15h 36mCPH-ORD
$501
10/14Tue
1 stopKLM
11h 15mORD-CPH
10/19Sun
1 stopKLM
26h 35mCPH-ORD
$523

Search by stops

Search by airline

Search by price

Recent one-way flight deals

10/6Mon
1 stopIcelandair
10h 30mORD-CPH
$176
10/3Fri
1 stopIcelandair
16h 30mORD-CPH
$180
8/11Mon
1 stopTAP AIR PORTUGAL
24h 30mORD-CPH
$237
8/9Sat
1 stopTAP AIR PORTUGAL
34h 40mORD-CPH
$240
7/15Tue
2 stops
20h 55mORD-CPH
$260
9/10Wed
2 stops
14h 45mORD-CPH
$264
7/29Tue
1 stopKLM
13h 19mMDW-CPH
$406
12/2Tue
1 stopBritish Airways
11h 30mORD-CPH
$410
7/30Wed
1 stopKLM
17h 50mORD-BLL
$452
8/15Fri
1 stopBritish Airways
31h 04mORD-CPH
$1,022

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Denmark

Last minute flight, train and bus deals

6/22Sun
multi-stopIcelandair
16h 30mORD-CPH
7/9Wed
multi-stopIcelandair
17h 55mCPH-ORD
$657
6/22Sun
multi-stopIcelandair
16h 30mORD-CPH
7/11Fri
multi-stopIcelandair
17h 55mCPH-ORD
$682
6/20Fri
multi-stop
10h 30mORD-CPH
9/25Thu
multi-stop
44h 02mCPH-ORD
$806
6/20Fri
multi-stop
10h 30mORD-CPH
9/25Thu
multi-stop
44h 02mCPH-ORD
$807
6/19Thu
multi-stopAir Canada
13h 30mORD-CPH
9/19Fri
multi-stopAir Canada
14h 46mCPH-ORD
$812
6/19Thu
multi-stopAir Canada
13h 30mORD-CPH
9/24Wed
multi-stopAir Canada
17h 40mCPH-ORD
$817
6/17Tue
multi-stopDelta
16h 16mMDW-CPH
9/24Wed
multi-stopDelta
12h 47mCPH-MDW
$821
6/17Tue
multi-stopDelta
12h 31mMDW-CPH
9/25Thu
multi-stopDelta
16h 36mCPH-MDW
$825
6/19Thu
multi-stopUnited Airlines
13h 50mORD-CPH
9/3Wed
multi-stopUnited Airlines
13h 45mCPH-ORD
$831
6/20Fri
multi-stopUnited Airlines
13h 25mORD-CPH
9/23Tue
multi-stopUnited Airlines
11h 48mCPH-ORD
$844

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Denmark

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.