$180 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 22% 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$180
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 24% 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 $391.

  • 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 $556. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $687 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 $420 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 $420.

  • 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 13h 48m, 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 (94% of total searches to Denmark). The next most popular destinations are Billund (4%) and Aalborg (1%). Searches for flights to Aarhus (1%) are also popular.

Book cheap flights from Illinois to Denmark

Recent round-trip flight deals

11/7Fri
1 stopIcelandair
21h 00mORD-CPH
11/21Fri
1 stopIcelandair
26h 50mCPH-ORD
$408
10/27Mon
1 stopIcelandair
10h 15mORD-CPH
11/15Sat
1 stopIcelandair
11h 25mCPH-ORD
$410
10/20Mon
nonstopScandinavian Airlines
8h 30mORD-CPH
11/3Mon
nonstopScandinavian Airlines
9h 15mCPH-ORD
$430
9/1Mon
1 stopScandinavian Airlines
21h 35mORD-AAL
9/8Mon
1 stopScandinavian Airlines
16h 10mAAL-ORD
$462
8/20Wed
2 stops
18h 31mORD-BLL
8/27Wed
2 stops
31h 30mBLL-ORD
$533
8/20Wed
2 stops
22h 05mORD-BLL
8/27Wed
2 stops
28h 45mBLL-ORD
$536
8/15Fri
1 stopAmerican Airlines
12h 00mORD-BLL
8/19Tue
1 stopAmerican Airlines
25h 50mBLL-ORD
$539
8/19Tue
1 stopAir France
22h 15mORD-BLL
8/26Tue
1 stopAir France
15h 15mBLL-ORD
$560
8/15Fri
2 stopsAmerican Airlines
16h 35mORD-BLL
8/19Tue
1 stopAmerican Airlines
25h 50mBLL-ORD
$606
8/20Wed
1 stopAir France
22h 15mORD-BLL
8/27Wed
1 stopAir France
15h 15mBLL-ORD
$639

Search by stops

Search by airline

Search by price

Recent one-way flight deals

10/17Fri
1 stopIcelandair
10h 35mORD-CPH
$180
9/15Mon
1 stopIcelandair
19h 20mORD-CPH
$187
8/18Mon
1 stopTAP AIR PORTUGAL
15h 40mORD-CPH
$197
8/15Fri
1 stopTAP AIR PORTUGAL
34h 55mORD-CPH
$201
8/20Wed
3 stops
28h 45mORD-CPH
$251
8/19Tue
3 stops
35h 00mORD-CPH
$266
7/26Sat
1 stopAir Canada
32h 35mORD-CPH
$290
8/23Sat
2 stopsAir Canada
27h 45mORD-CPH
$301
12/1Mon
1 stopAmerican Airlines
17h 25mORD-CPH
$308
8/22Fri
1 stopAmerican Airlines
15h 40mORD-BLL
$410

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Denmark

Last minute flight, train and bus deals

7/11Fri
multi-stopBritish Airways
15h 35mORD-CPH
8/12Tue
multi-stopBritish Airways
26h 15mCPH-ORD
$620
7/15Tue
multi-stopScandinavian Airlines
17h 05mORD-CPH
7/22Tue
nonstopScandinavian Airlines
9h 15mCPH-ORD
$625
7/13Sun
multi-stopUnited Airlines
31h 25mORD-CPH
7/23Wed
multi-stopUnited Airlines
26h 34mCPH-ORD
$628
7/13Sun
multi-stopUnited Airlines
31h 25mORD-CPH
7/22Tue
multi-stopUnited Airlines
33h 19mCPH-ORD
$635
7/15Tue
multi-stopAir Canada
31h 25mORD-CPH
7/22Tue
multi-stopAir Canada
13h 44mCPH-ORD
$660
7/12Sat
multi-stopAir Canada
13h 50mORD-CPH
7/21Mon
multi-stopAir Canada
28h 27mCPH-ORD
$664
7/12Sat
multi-stopDelta
17h 41mMDW-CPH
7/23Wed
multi-stopDelta
12h 19mCPH-MDW
$712
7/12Sat
multi-stopDelta
11h 11mORD-CPH
7/23Wed
multi-stopDelta
17h 31mCPH-ORD
$712
7/13Sun
multi-stopKLM
10h 35mORD-AAL
7/23Wed
multi-stopKLM
30h 50mAAL-ORD
$728
7/11Fri
multi-stopKLM
10h 35mORD-AAL
7/23Wed
multi-stopKLM
30h 50mAAL-ORD
$788

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.