How many flights depart from Illinois to Denmark on average per week?

As of October 2026, there are 19 flights per week flying from Illinois to Denmark. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.

What airlines fly to Denmark?

Scandinavian Airlines, Icelandair and United Airlines are the top three most popular airlines that fly to Denmark from Illinois according to our data. Scandinavian Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 8 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Denmark on average per day?

As of October 2026, 2 flights take off from Illinois and land in Denmark each day. The most common flight departure time for this route is 7:00PM, with 100% of daily flights taking off in the evening.

What is the cheapest airline that flies from Illinois to Denmark?

Icelandair, TAP AIR PORTUGAL, and KLM are the most popular carriers operating from Illinois to Denmark

When did momondo last update prices for flights from Illinois to Denmark?

Prices for flights from Illinois to Denmark were last updated today.

How many operators does momondo search for flights from Illinois to Denmark?

As of October 2026, there are 8 operators available to choose from for flights from Illinois to Denmark.

How old do you have to be to fly from Illinois to Denmark?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Denmark.

What documentation or ID do you need to fly to Denmark?

The required travel and health documents for your Denmark trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denmark. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$231 Cheap Flights from Illinois to Denmark in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Denmark

Round-trip

One-way

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Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 11:45 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

20h 35m1 stop Lisbon Humberto Delgado

6:00 am - 3:30 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

16h 30m1 stop Lisbon Humberto Delgado

$511TAP AIR PORTUGAL

Fri, Jan 15 - Sun, Jan 24

7:00 pm - 5:40 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

15h 40m1 stop Lisbon Humberto Delgado

6:00 am - 3:30 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

16h 30m1 stop Lisbon Humberto Delgado

$511TAP AIR PORTUGAL

Wed, Feb 10 - Fri, Feb 19

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$535Scandinavian Airlines

Sun, Nov 15 - Thu, Nov 19

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$535Scandinavian Airlines

Sat, Nov 14 - Thu, Nov 19

6:30 pm - 11:45 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

10h 15m1 stop Reykjavik Keflavik Intl

12:55 pm - 5:20 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

$563Icelandair

Sun, Nov 8 - Tue, Nov 24

6:30 pm - 7:45 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

18h 15m1 stop Reykjavik Keflavik Intl

8:15 am - 5:20 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

16h 05m1 stop Reykjavik Keflavik Intl

$564Icelandair

Sun, Nov 8 - Tue, Nov 24

4:30 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

10h 50m1 stop Toronto Pearson Intl

6:55 am - 3:02 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

15h 07m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

$700Air Canada

Thu, Dec 3 - Thu, Dec 10

6:50 pm - 2:10 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

12h 20m1 stop Zurich

9:50 am - 4:15 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

13h 25m1 stop Zurich

$714SWISS

Wed, Feb 10 - Mon, Feb 15

12:50 pm - 9:25 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

13h 35m2 stops Toronto Pearson Intl Frankfurt am Main

6:55 am - 3:02 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

15h 07m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

$718Air Canada

Thu, Dec 3 - Thu, Dec 10

6:30 pm - 7:05 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

17h 35m2 stops Dublin Zurich

7:55 pm - 2:05 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

25h 10m2 stops Zurich Amsterdam Schiphol

$1,033SWISS

Sat, Dec 5 - Fri, Dec 11

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 pm - 4:50 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

15h 50m1 stop Lisbon Humberto Delgado

6:35 pm - 3:30 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

27h 55m1 stop Lisbon Humberto Delgado

$607TAP AIR PORTUGAL

Fri, Oct 23 - Tue, Nov 3

7:05 pm - 11:30 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

21h 25m1 stop Zurich

9:50 am - 4:15 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

13h 25m1 stop Zurich

$708SWISS

Fri, Oct 23 - Tue, Nov 3

9:10 pm - 11:35 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

20h 25m1 stop Lisbon Humberto Delgado

5:05 pm - 5:20 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

31h 15m1 stop Reykjavik Keflavik Intl

$717Multiple Airlines

Sun, Oct 25 - Fri, Jan 15

9:40 pm - 11:30 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

18h 50m1 stop Munich Franz Josef Strauss

7:15 am - 1:10 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

12h 55m1 stop Frankfurt am Main

$740Lufthansa

Fri, Oct 23 - Tue, Nov 3

11:15 pm - 11:45 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

18h 30m1 stop Frankfurt am Main

7:15 am - 1:10 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

12h 55m1 stop Frankfurt am Main

$750Lufthansa

Sat, Oct 24 - Fri, Nov 20

8:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 5:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$765Scandinavian Airlines

Sun, Oct 25 - Fri, Oct 30

7:05 pm - 2:10 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

12h 05m1 stop Zurich

2:15 pm - 9:23 amCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

26h 08m2 stops Frankfurt am Main Toronto Pearson Intl

$769United Airlines

Fri, Oct 23 - Tue, Nov 3

7:15 pm - 10:45 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 30mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$779Scandinavian Airlines

Fri, Oct 23 - Tue, Nov 3

4:30 pm - 11:10 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

24h 40m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

10:35 am - 10:00 amCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

29h 25m2 stops Toronto Pearson Intl Washington, D.C. Reagan-National

$811United Airlines

Sun, Oct 25 - Fri, Oct 30

3:50 pm - 2:10 pmORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

15h 20m1 stop Zurich

7:55 pm - 3:05 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

25h 10m2 stops Zurich Amsterdam Schiphol

$2,153SWISS

Wed, Oct 21 - Mon, Oct 26

Cheap direct flights

Enter your travel dates to find the best prices.

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$535Scandinavian Airlines

Sat, Nov 14 - Thu, Nov 19

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$535Scandinavian Airlines

Sun, Nov 15 - Thu, Nov 19

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$553Scandinavian Airlines

Sun, Nov 8 - Tue, Nov 24

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$564Scandinavian Airlines

Sun, Nov 15 - Wed, Dec 2

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$1,256Delta

Sun, Nov 8 - Tue, Nov 24

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$1,257Delta

Sun, Nov 8 - Tue, Nov 24

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$1,258Delta

Sun, Nov 8 - Tue, Nov 24

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$1,270Air France

Sun, Nov 8 - Tue, Nov 24

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$1,295Air France

Sun, Nov 8 - Tue, Nov 24

7:10 pm - 10:20 amORD Chicago O'Hare Intl-CPH Kastrup Copenhagen

8h 10mnonstop

2:30 pm - 4:45 pmCPH Kastrup Copenhagen-ORD Chicago O'Hare Intl

9h 15mnonstop

$1,296Air France

Sun, Nov 8 - Tue, Nov 24

Save money when you book flights with momondo

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Virgin Atlantic flights from Illinois to Denmark

Our best Virgin Atlantic deals on Illinois to Denmark flight tickets

Virgin Atlantic

Feb 17

MDW10:35 amChicago Midway

26h 15m

2 stops

CPH7:50 pmKastrup Copenhagen

Feb 24

CPH8:05 amKastrup Copenhagen

21h 05m

2 stops

MDW10:10 pmChicago Midway

$1,063

Virgin Atlantic

Nov 2

MDW11:38 amChicago Midway

27h 42m

2 stops

CPH10:20 pmKastrup Copenhagen

Nov 6

CPH8:40 pmKastrup Copenhagen

32h 53m

2 stops

MDW10:33 pmChicago Midway

$1,286

Scandinavian Airlines flights from Illinois to Denmark

Our best Scandinavian Airlines deals on Illinois to Denmark flight tickets

Scandinavian Airlines

Nov 14

ORD7:10 pmChicago O'Hare Intl

8h 10m

CPH10:20 amKastrup Copenhagen

Nov 19

CPH2:30 pmKastrup Copenhagen

9h 15m

ORD4:45 pmChicago O'Hare Intl

$535

Scandinavian Airlines

Nov 8

ORD7:10 pmChicago O'Hare Intl

8h 10m

CPH10:20 amKastrup Copenhagen

Nov 24

CPH2:30 pmKastrup Copenhagen

9h 15m

ORD4:45 pmChicago O'Hare Intl

$553

Scandinavian Airlines

Nov 15

ORD7:10 pmChicago O'Hare Intl

8h 10m

CPH10:20 amKastrup Copenhagen

Dec 3

CPH2:30 pmKastrup Copenhagen

9h 15m

ORD4:45 pmChicago O'Hare Intl

$564

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Fri 1/15

8:10 pm-11:45 pm

1 stop20h 35m

Kastrup Copenhagen

Sun 1/24

6:00 am-3:30 pm

1 stop16h 30m

$511

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Wed 2/10

7:00 pm-5:40 pm

1 stop15h 40m

Kastrup Copenhagen

Fri 2/19

6:00 am-3:30 pm

1 stop16h 30m

$511

Quickest round-trip

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Sun 11/15

7:10 pm-10:20 am

Nonstop8h 10m

Kastrup Copenhagen

Thu 11/19

2:30 pm-4:45 pm

Nonstop9h 15m

$535

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Sat 11/14

7:10 pm-10:20 am

Nonstop8h 10m

Kastrup Copenhagen

Thu 11/19

2:30 pm-4:45 pm

Nonstop9h 15m

$535

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Sun 11/8

6:30 pm-11:45 am

1 stop10h 15m

Kastrup Copenhagen

Tue 11/24

12:55 pm-5:20 pm

1 stop11h 25m

$563

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Sun 11/8

6:30 pm-7:45 pm

1 stop18h 15m

Kastrup Copenhagen

Tue 11/24

8:15 am-5:20 pm

1 stop16h 05m

$564

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Thu 12/3

4:30 pm-10:20 am

1 stop10h 50m

Kastrup Copenhagen

Thu 12/10

6:55 am-3:02 pm

2 stops15h 07m

$700

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Wed 2/10

6:50 pm-2:10 pm

1 stop12h 20m

Kastrup Copenhagen

Mon 2/15

9:50 am-4:15 pm

1 stop13h 25m

$714

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Thu 12/3

12:50 pm-9:25 am

2 stops13h 35m

Kastrup Copenhagen

Thu 12/10

6:55 am-3:02 pm

2 stops15h 07m

$718

ChicagoCopenhagen

ORD Chicago O'Hare Intl - CPH Kastrup Copenhagen

ORDCPH

Chicago O'Hare Intl

Sat 12/5

6:30 pm-7:05 pm

2 stops17h 35m

Kastrup Copenhagen

Fri 12/11

7:55 pm-2:05 pm

2 stops25h 10m

$1,033

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Denmark

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Denmark?

In general, February is the cheapest month to fly from Illinois to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $515. If you aren’t able to travel to Denmark during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $565.

What is the cheapest day to depart on your flight to Denmark?

The cheapest day to depart from Illinois to Denmark is on a Wednesday. Travelers who choose to depart for Denmark on a Wednesday will often find tickets for as low as $694. On the other hand, Tuesday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $759.

What is the cheapest Illinois to Denmark flight route?

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

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

You are more likely to see cheaper flights to Denmark from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $747 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from Illinois for as low as $635 on momondo.

What cabin class options are available on Illinois to Denmark flights?

There are 3 cabin classes available to choose from on Illinois to Denmark flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Denmark flights?

You could potentially save up to 39% on your flight if you consider stops on a Illinois to Denmark flight.

Cheap Illinois to Denmark flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Denmark

Best Price Found	$231
Fastest flight time	8h 10m
Direct flights	Every day
Airports in Denmark	19 airports

The best one-way flight to Denmark from Illinois in the past 72 hours is $231. The best round-trip flight deal from Illinois to Denmark found on momondo in the last 72 hours is $511.

The fastest flight from Illinois to Denmark takes 8h 10m

Direct flights go from Illinois to Denmark every day.

There are 19 airports in Denmark. From Illinois there are direct flights to Kastrup Copenhagen (CPH).

Search flight deals

Frequently asked questions about flying from Illinois to Denmark

When did momondo last update prices for flights from Illinois to Denmark?
Prices for flights from Illinois to Denmark were last updated today.
How many operators does momondo search for flights from Illinois to Denmark?
As of October 2026, there are 8 operators available to choose from for flights from Illinois to Denmark.
How old do you have to be to fly from Illinois to Denmark?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Denmark.
What documentation or ID do you need to fly to Denmark?
The required travel and health documents for your Denmark trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denmark. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Illinois to Denmark?
Based on momondo bookings for flights between Illinois and Denmark, the leading plane model is Boeing 787-10 Dreamliner, making up 20.40% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 17.55%, Boeing 787-9 Dreamliner with 12.99%, and Airbus A330-300 with 10.32%.

Best airlines flying from Illinois to Denmark

Compare and see reviews for airlines that fly from Illinois to Denmark with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $415	Free Cancellation	Rating 6.9 763 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $473	Free Cancellation	Rating 7.4 2,019 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $511	Free Cancellation	Rating 7.5 2,108 reviews	Search SWISS flights
Lufthansa	PriceFrom $514	Free Cancellation	Rating 6.8 8,279 reviews	Search Lufthansa flights
United Airlines	PriceFrom $536	Free Cancellation	Rating 7.3 10,387 reviews	Search United Airlines flights
Air Canada	PriceFrom $540	Free Cancellation	Rating 7.1 11,784 reviews	Search Air Canada flights
American Airlines	PriceFrom $744	Free Cancellation	Rating 7.0 12,181 reviews	Search American Airlines flights
Delta	PriceFrom $763	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Denmark?

Finding the right flight to Denmark from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Denmark quick and easy, saving you time and money.

Can I find flights from Illinois to Denmark with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Denmark flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Denmark?

Once you have performed a search for Illinois to Denmark flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Denmark right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Denmark flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Denmark trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

Other flights from Illinois

Other flights to Denmark

Airlines

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Complete your trip

Feeling lucky

Popular cities in Denmark

Flights to Copenhagenfrom $446

Flights to Billundfrom $598

Flights to Aalborgfrom $588

Flights to Aarhusfrom $591

Flights to Sønderborgfrom $841

Flights to Karupfrom $1,271

Cheap flights from Illinois to Denmark from $231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Denmark departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Illinois to Denmark

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Virgin Atlantic flights from Illinois to Denmark

Our best Virgin Atlantic deals on Illinois to Denmark flight tickets

Scandinavian Airlines flights from Illinois to Denmark

Our best Scandinavian Airlines deals on Illinois to Denmark flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Denmark that are best for you.

See travel insights to Denmark from

How to get the cheapest flight ticket from Illinois to Denmark

What is the cheapest month to fly to Denmark?

What is the cheapest day to depart on your flight to Denmark?

What is the cheapest Illinois to Denmark flight route?

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

What cabin class options are available on Illinois to Denmark flights?

Can stopping save me money on Illinois to Denmark flights?

What is the cheapest airline that flies from Illinois to Denmark?

What airlines fly to Denmark?

How many flights depart from Illinois to Denmark on average per day?

How many flights depart from Illinois to Denmark on average per week?

Cheap Illinois to Denmark flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Denmark

Frequently asked questions about flying from Illinois to Denmark

Best airlines flying from Illinois to Denmark

Compare and see reviews for airlines that fly from Illinois to Denmark with momondo

Why use momondo?

An easier way to manage your Denmark trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Denmark

Popular cities in Denmark

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

Denmark flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Denmark

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Denmark

List of cabin classes available on flights landing in Denmark. Availability may vary depending on flight origin and airline.

Complete your trip to Denmark

Explore popular destinations other users love

According to popular flight searches on momondo this year