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

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 Copenhagen. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Copenhagen?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Copenhagen from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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

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 to Copenhagen with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

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

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 to Copenhagen from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$219 CHEAP FLIGHTS from Illinois to Copenhagen

CPH

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

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Cheap Flights from Illinois to Copenhagen

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Copenhagen

Thu, Apr 9 - Fri, Apr 17

7:25 pm - 12:55 pm

ORD

CPH

10h 30m

1 stop

2:00 pm - 6:15 pm

CPH

ORD

11h 15m

1 stop

$515Icelandair

Mon, Mar 30 - Wed, Apr 15

7:25 pm - 9:45 pm

ORD

CPH

19h 20m

1 stop

4:55 pm - 6:15 pm

CPH

ORD

32h 20m

1 stop

$516Icelandair

Tue, Apr 7 - Wed, Apr 15

7:25 pm - 12:55 pm

ORD

CPH

10h 30m

1 stop

7:20 am - 6:15 pm

CPH

ORD

17h 55m

1 stop

$517Icelandair

Thu, Apr 9 - Tue, Apr 14

7:25 pm - 9:45 pm

ORD

CPH

19h 20m

1 stop

4:55 pm - 6:15 pm

CPH

ORD

32h 20m

1 stop

$519Icelandair

Mon, Apr 27 - Wed, May 13

6:04 am - 8:40 am

ORD

CPH

19h 36m

1 stop

1:55 pm - 4:10 pm

CPH

ORD

9h 15mnonstop

$523Scandinavian Airlines

Tue, Apr 21 - Tue, Apr 28

6:38 pm - 6:15 pm

MDW

CPH

16h 37m

2 stops

6:00 am - 5:58 pm

CPH

MDW

18h 58m

2 stops

$677Delta

Sun, Mar 29 - Tue, Apr 14

6:34 pm - 3:45 pm

MDW

CPH

14h 11m

2 stops

6:00 am - 5:58 pm

CPH

MDW

18h 58m

2 stops

$678Delta

Mon, Aug 31 - Tue, Sep 15

6:55 pm - 8:55 am

STL

CPH

31h 00m

2 stops

8:50 am - 6:21 pm

CPH

STL

16h 31m

2 stops

$693Multiple Airlines

Mon, Jun 1 - Mon, Aug 24

7:05 am - 2:05 am

STL

CPH

36h 00m

2 stops

12:45 pm - 2:02 pm

CPH

STL

32h 17m

2 stops

$716Multiple Airlines

Mon, Apr 20 - Wed, May 6

4:05 pm - 10:50 am

STL

CPH

11h 45m

1 stop

6:20 am - 8:25 pm

CPH

STL

21h 05m

2 stops

$717Air Canada

Useful Info

Low season	February
High season	June
Cheapest flight	$219

Best time to beat the crowds with an average 21% drop in price.

Most popular time to fly with an average 28% increase in price.

Flight from Chicago O'Hare Airport to Copenhagen

ZacharyFlew with Scandinavian Airlines

ORD

CPH

Nov 2025

Buy out a row so you have room to sleep.

TFlew with Scandinavian Airlines

ORD

CPH

Jan 2025

Don’t forget you can pinch and slide the headrest up and down for maximum sleeping comfort.

How does KAYAK find such low prices on flights from Illinois to Copenhagen?
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 Copenhagen.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Copenhagen?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Copenhagen from Illinois 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 Copenhagen?
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 to Copenhagen with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Copenhagen?
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 to Copenhagen from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Kastrup

Roskilde

Everything you need to know for your flight to Copenhagen

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Copenhagen

Copenhagen (CPH)

CPH

$219 Find Cheap Flights from Illinois to Copenhagen

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

Cheap Flights from Illinois to Copenhagen

Recent round-trip flight deals from Illinois to Copenhagen

Recent one-way flight deals from Illinois to Copenhagen

Recent last minute flight deals from Illinois to Copenhagen

Recent direct flight deals from Illinois to Copenhagen

Good to know

Flights from Illinois to Copenhagen: the best tips from KAYAK users

FAQs for booking flights from Illinois to Copenhagen

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

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 Copenhagen.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Copenhagen?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Copenhagen from Illinois 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 Copenhagen?

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 to Copenhagen with an airline and back to Illinois with another airline.

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

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 to Copenhagen from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Copenhagen?

Everything you need to know for your flight to Copenhagen

Information on the airport you'll fly into in Copenhagen

Cabin class types available on flights to Illinois

Complete your trip to Copenhagen with a hotel stay or car rental

Find direct flights for Copenhagen

Flights to other popular destinations

Flights from domestic origins to Copenhagen

Choose which airport to fly into in Copenhagen

Find deals for your return flight