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

As of May 2026, there are 21 flights per week flying from Illinois to Denmark. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

British Airways, Virgin Atlantic, and Air Canada are the most popular carriers operating from Illinois to Denmark

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 63% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 9 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 May 2026, 3 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.

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 May 2026, there are 9 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.

$251 Cheap Flights from Illinois to Denmark in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Denmark

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 10:10 pm

ORD

AAL

19h 55m

1 stop

7:00 am - 4:45 pm

AAL

ORD

16h 45m

1 stop

$634Scandinavian Airlines

Sun, Nov 1 - Wed, Nov 11

7:15 pm - 5:10 pm

ORD

AAL

14h 55m

1 stop

7:40 pm - 4:45 pm

AAL

ORD

28h 05m

2 stops

$637Scandinavian Airlines

Sun, Nov 1 - Wed, Nov 11

7:15 pm - 7:10 pm

ORD

AAL

16h 55m

2 stops

7:40 pm - 4:45 pm

AAL

ORD

28h 05m

2 stops

$639Scandinavian Airlines

Sun, Nov 1 - Wed, Nov 11

6:54 pm - 9:35 am

STL

CPH

31h 41m

2 stops

7:00 am - 6:15 pm

CPH

STL

18h 15m

2 stops

$816Multiple Airlines

Sat, Sep 5 - Sun, Sep 20

8:55 am - 10:50 am

STL

CPH

18h 55m

1 stop

7:00 am - 6:15 pm

CPH

STL

18h 15m

2 stops

$825Multiple Airlines

Sat, Sep 5 - Sun, Sep 20

7:25 pm - 3:55 pm

ORD

CPH

13h 30m

1 stop

10:35 pm - 9:25 pm

CPH

ORD

29h 50m

1 stop

$828Icelandair

Mon, Jun 22 - Mon, Jun 29

6:54 pm - 8:55 am

STL

CPH

31h 01m

2 stops

12:45 pm - 11:57 am

CPH

STL

30h 12m

2 stops

$829United Airlines

Mon, Aug 31 - Tue, Sep 15

7:50 pm - 11:05 pm

ORD

CPH

20h 15m

1 stop

6:00 am - 4:05 pm

CPH

ORD

17h 05m

1 stop

$829TAP AIR PORTUGAL

Thu, Aug 13 - Sat, Aug 29

7:25 pm - 12:55 pm

ORD

CPH

10h 30m

1 stop

10:35 pm - 6:15 pm

CPH

ORD

26h 40m

1 stop

$832Icelandair

Mon, Jul 6 - Mon, Jul 20

6:54 pm - 8:55 am

STL

CPH

31h 01m

2 stops

12:45 pm - 2:00 pm

CPH

STL

32h 15m

1 stop

$843United Airlines

Mon, Aug 31 - Tue, Sep 15

Icelandair flights from Illinois to Denmark

Our best Icelandair deals on Illinois to Denmark flight tickets

Icelandair

Jun 22

ORD7:25 pmChicago O'Hare Intl

13h 30m

1 stop

CPH3:55 pmKastrup Copenhagen

Jun 29

CPH10:35 pmKastrup Copenhagen

29h 50m

1 stop

ORD9:25 pmChicago O'Hare Intl

$828

Icelandair

Jun 7

ORD7:25 pmChicago O'Hare Intl

10h 30m

1 stop

CPH12:55 pmKastrup Copenhagen

Aug 12

CPH4:55 pmKastrup Copenhagen

11h 30m

1 stop

ORD9:25 pmChicago O'Hare Intl

$830

Icelandair

Jul 6

ORD7:25 pmChicago O'Hare Intl

10h 30m

1 stop

CPH12:55 pmKastrup Copenhagen

Jul 20

CPH10:35 pmKastrup Copenhagen

26h 40m

1 stop

ORD6:15 pmChicago O'Hare Intl

$832

SWISS flights from Illinois to Denmark

Our best SWISS deals on Illinois to Denmark flight tickets

SWISS

Oct 18

ORD9:35 pmChicago O'Hare Intl

18h 40m

2 stops

CPH11:15 pmKastrup Copenhagen

Oct 24

CPH6:30 amKastrup Copenhagen

13h 05m

1 stop

ORD12:35 pmChicago O'Hare Intl

$836

SWISS

May 27

ORD8:20 pmChicago O'Hare Intl

15h 50m

2 stops

CPH7:10 pmKastrup Copenhagen

May 29

CPH9:40 amKastrup Copenhagen

13h 15m

1 stop

ORD3:55 pmChicago O'Hare Intl

$870

SWISS

Jul 5

ORD9:40 pmChicago O'Hare Intl

18h 35m

2 stops

CPH11:15 pmKastrup Copenhagen

Jul 14

CPH7:55 pmKastrup Copenhagen

23h 40m

1 stop

ORD12:35 pmChicago O'Hare Intl

$872

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Sun 11/1

7:15 pm-10:10 pm

1 stop19h 55m

Aalborg

Wed 11/11

7:00 am-4:45 pm

1 stop16h 45m

$634

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Sun 11/1

7:15 pm-5:10 pm

1 stop14h 55m

Aalborg

Wed 11/11

7:40 pm-4:45 pm

2 stops28h 05m

$637

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Sun 11/1

7:15 pm-7:10 pm

2 stops16h 55m

Aalborg

Wed 11/11

7:40 pm-4:45 pm

2 stops28h 05m

$639

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sat 9/5

6:54 pm-9:35 am

2 stops31h 41m

Kastrup Copenhagen

Sun 9/20

7:00 am-6:15 pm

2 stops18h 15m

$816

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Sat 9/5

8:55 am-10:50 am

1 stop18h 55m

Kastrup Copenhagen

Sun 9/20

7:00 am-6:15 pm

2 stops18h 15m

$825

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 6/22

7:25 pm-3:55 pm

1 stop13h 30m

Kastrup Copenhagen

Mon 6/29

10:35 pm-9:25 pm

1 stop29h 50m

$828

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

6:54 pm-8:55 am

2 stops31h 01m

Kastrup Copenhagen

Tue 9/15

12:45 pm-11:57 am

2 stops30h 12m

$829

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 8/13

7:50 pm-11:05 pm

1 stop20h 15m

Kastrup Copenhagen

Sat 8/29

6:00 am-4:05 pm

1 stop17h 05m

$829

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 7/6

7:25 pm-12:55 pm

1 stop10h 30m

Kastrup Copenhagen

Mon 7/20

10:35 pm-6:15 pm

1 stop26h 40m

$832

St. LouisCopenhagen

STL - CPH

STLCPH

Lambert-St Louis

Mon 8/31

6:54 pm-8:55 am

2 stops31h 01m

Kastrup Copenhagen

Tue 9/15

12:45 pm-2:00 pm

1 stop32h 15m

$843

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, May 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 $307. If you aren’t able to travel to Denmark during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $330.

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 $603. 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 $681.

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 $674 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 $592 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 38% 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	$478
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 $478. The best round-trip flight deal from Illinois to Denmark found on momondo in the last 72 hours is $778.

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 May 2026, there are 9 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 16.40% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 16.26%, Boeing 787 Dreamliner with 15.27%, and Airbus A330-300 with 14.90%.

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 $413	Free Cancellation	Rating 7.0 657 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $453	Free Cancellation	Rating 7.4 1,791 reviews	Search Scandinavian Airlines flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 11,631 reviews	Search American Airlines flights
British Airways	PriceFrom $498	Free Cancellation	Rating 6.7 8,004 reviews	Search British Airways flights
SWISS	PriceFrom $511	Free Cancellation	Rating 7.5 1,958 reviews	Search SWISS flights
Lufthansa	PriceFrom $514	Free Cancellation	Rating 6.8 8,029 reviews	Search Lufthansa flights
United Airlines	PriceFrom $540	Free Cancellation	Rating 7.4 9,751 reviews	Search United Airlines flights
Air Canada	PriceFrom $540	Free Cancellation	Rating 7.1 11,086 reviews	Search Air Canada flights
Delta	PriceFrom $611	Free Cancellation	Rating 7.9 8,428 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Thu 6/25

Thu 7/2

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Denmark

Popular cities

Other flights from Illinois

Other flights to Denmark

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Denmark

Flights to Copenhagenfrom $420

Flights to Billundfrom $556

Flights to Aalborgfrom $502

Flights to Aarhusfrom $580

Flights to Sønderborgfrom $1,298

Flights to Karupfrom $1,271

Flights to Esbjergfrom $1,557

Cheap flights from Illinois to Denmark from $251

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 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Denmark

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Icelandair flights from Illinois to Denmark

Our best Icelandair deals on Illinois to Denmark flight tickets

SWISS flights from Illinois to Denmark

Our best SWISS 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

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

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