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

Iberia and British Airways are the most popular carriers operating from Denmark to Illinois

How long is the flight from Denmark to Illinois?

The flight from Denmark to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Copenhagen (a popular airport in Denmark) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 9h 15m on average. If you fly from Billund (another popular airport in Denmark) to Chicago O'Hare Intl Airport, then the average flight time is 10h 55m.

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

As of March 2026, 1 flights take off from Denmark and land in Illinois each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

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

As of March 2026, 12 flights take off from Denmark and land in Illinois each week. The most common flight departure day for this route is Wed, with 25% of weekly flights taking off on this day.

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

Prices for flights from Denmark to Illinois are refreshed on a daily basis.

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

As of March 2026, there are 3 operators available to choose from for flights from Denmark to Illinois.

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

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 Denmark to Illinois.

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

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$348 Cheap Flights from Denmark to Illinois in 2026

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Find the cheapest flights from Denmark to Illinois

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Denmark to Illinois

Enter your travel dates to find the best prices.

7:20 am - 9:25 pm

CPH

ORD

21h 05m

1 stop

10:25 pm - 9:45 pm

ORD

CPH

16h 20m

1 stop

$474Icelandair

Wed, May 27 - Tue, Jun 2

1:55 pm - 4:10 pm

CPH

ORD

9h 15mnonstop

7:15 pm - 10:45 am

ORD

CPH

8h 30mnonstop

$478Scandinavian Airlines

Mon, May 18 - Wed, Jun 3

12:25 pm - 5:50 pm

CPH

ORD

12h 25m

1 stop

9:30 pm - 4:15 pm

ORD

CPH

11h 45m

1 stop

$482Finnair

Mon, May 18 - Wed, Jun 3

7:45 am - 5:50 pm

CPH

ORD

17h 05m

1 stop

9:30 pm - 11:10 pm

ORD

CPH

18h 40m

1 stop

$485Finnair

Mon, May 18 - Mon, Jun 1

12:30 pm - 6:15 pm

BLL

ORD

12h 45m

1 stop

9:15 pm - 4:20 pm

ORD

BLL

12h 05m

1 stop

$495British Airways

Sat, Apr 25 - Wed, Apr 29

12:30 pm - 6:15 pm

BLL

ORD

12h 45m

1 stop

4:36 pm - 4:20 pm

ORD

BLL

16h 44m

2 stops

$506British Airways

Sat, Apr 25 - Wed, Apr 29

6:00 am - 4:42 pm

BLL

ORD

17h 42m

2 stops

3:30 pm - 1:30 pm

ORD

BLL

15h 00m

2 stops

$568Delta

Sat, Apr 25 - Wed, Apr 29

6:00 am - 5:58 pm

BLL

MDW

18h 58m

2 stops

9:29 am - 9:35 am

MDW

BLL

17h 06m

2 stops

$568Delta

Sat, Apr 25 - Wed, Apr 29

6:00 am - 7:55 pm

BLL

ORD

20h 55m

1 stop

4:05 pm - 10:05 am

ORD

BLL

11h 00m

1 stop

$590Lufthansa

Thu, May 7 - Mon, May 11

6:00 am - 1:25 pm

BLL

STL

14h 25m

1 stop

1:10 pm - 2:20 pm

STL

BLL

18h 10m

2 stops

$594Lufthansa

Fri, Apr 10 - Tue, Apr 14

Icelandair flights from Denmark to Illinois

Our best Icelandair deals on Denmark to Illinois flight tickets

Icelandair

May 27

CPH7:20 amKastrup Copenhagen

21h 05m

1 stop

ORD9:25 pmChicago O'Hare Intl

Jun 2

ORD10:25 pmChicago O'Hare Intl

16h 20m

1 stop

CPH9:45 pmKastrup Copenhagen

$474

Icelandair

May 2

CPH2:00 pmKastrup Copenhagen

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

May 18

ORD7:25 pmChicago O'Hare Intl

19h 20m

1 stop

CPH9:45 pmKastrup Copenhagen

$483

Icelandair

May 5

CPH2:00 pmKastrup Copenhagen

11h 15m

1 stop

ORD6:15 pmChicago O'Hare Intl

May 26

ORD10:25 pmChicago O'Hare Intl

24h 55m

1 stop

CPH6:20 amKastrup Copenhagen

$488

Scandinavian Airlines flights from Denmark to Illinois

Our best Scandinavian Airlines deals on Denmark to Illinois flight tickets

Scandinavian Airlines

May 18

CPH1:55 pmKastrup Copenhagen

9h 15m

ORD4:10 pmChicago O'Hare Intl

Jun 3

ORD7:15 pmChicago O'Hare Intl

8h 30m

CPH10:45 amKastrup Copenhagen

$478

Scandinavian Airlines

Apr 4

CPH1:35 pmKastrup Copenhagen

17h 23m

1 stop

STL11:58 pmLambert-St Louis

Apr 11

STL10:07 amLambert-St Louis

17h 08m

1 stop

CPH10:15 amKastrup Copenhagen

$1,219

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Wed 5/27

7:20 am-9:25 pm

1 stop21h 05m

Chicago O'Hare Intl

Tue 6/2

10:25 pm-9:45 pm

1 stop16h 20m

$474

Quickest round-trip

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Mon 5/18

1:55 pm-4:10 pm

Nonstop9h 15m

Chicago O'Hare Intl

Wed 6/3

7:15 pm-10:45 am

Nonstop8h 30m

$478

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Mon 5/18

12:25 pm-5:50 pm

1 stop12h 25m

Chicago O'Hare Intl

Wed 6/3

9:30 pm-4:15 pm

1 stop11h 45m

$482

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Mon 5/18

7:45 am-5:50 pm

1 stop17h 05m

Chicago O'Hare Intl

Mon 6/1

9:30 pm-11:10 pm

1 stop18h 40m

$485

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

9:15 pm-4:20 pm

1 stop12h 05m

$495

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

12:30 pm-6:15 pm

1 stop12h 45m

Chicago O'Hare Intl

Wed 4/29

4:36 pm-4:20 pm

2 stops16h 44m

$506

BillundChicago

BLL - ORD

BLLORD

Billund

Sat 4/25

6:00 am-4:42 pm

2 stops17h 42m

Chicago O'Hare Intl

Wed 4/29

3:30 pm-1:30 pm

2 stops15h 00m

$568

BillundChicago

BLL - MDW

BLLMDW

Billund

Sat 4/25

6:00 am-5:58 pm

2 stops18h 58m

Chicago Midway

Wed 4/29

9:29 am-9:35 am

2 stops17h 06m

$568

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/7

6:00 am-7:55 pm

1 stop20h 55m

Chicago O'Hare Intl

Mon 5/11

4:05 pm-10:05 am

1 stop11h 00m

$590

BillundSt. Louis

BLL - STL

BLLSTL

Billund

Fri 4/10

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Tue 4/14

1:10 pm-2:20 pm

2 stops18h 10m

$594

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 Denmark to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Denmark is in September. Flight prices, which tend to average around $537, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $541.

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

The cheapest day to depart from Denmark to Illinois is on a Wednesday when prices can be found for as low as $593. Flights from Denmark to Illinois on a Friday will generally be more expensive and average around $963. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Denmark to Illinois during this time can be as low as $715. Flights in the afternoon are often more expensive with an average ticket price of $964.

What is the cheapest Denmark to Illinois flight route?

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

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

You are more likely to see cheaper flights to Illinois from Denmark when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $663 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Denmark for as low as $580 on momondo.

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

There are 3 cabin classes available to choose from on Denmark to Illinois 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 Denmark to Illinois flights?

You could potentially save up to 36% on your flight if you consider stops on a Denmark to Illinois flight.

Cheap Denmark to Illinois flight deals and tips

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

Fastest flight time	9h 15m
Direct flights	Every day
Airports in Illinois	98 airports

The fastest flight from Denmark to Illinois takes 9h 15m

Direct flights go from Denmark to Illinois every day.

There are 98 airports in Illinois. From Denmark there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from Denmark to Illinois?
Prices for flights from Denmark to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Denmark to Illinois?
As of March 2026, there are 3 operators available to choose from for flights from Denmark to Illinois.
How old do you have to be to fly from Denmark to Illinois?
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 Denmark to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Denmark to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Denmark to Illinois is Airbus A330-300 (55.81% of total bookings). The next most popular plane models are Airbus A350-900 (42.35%), Airbus A321neo (1.38%), and Boeing 787-8 Dreamliner (0.31%).

Best airlines flying from Denmark to Illinois

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

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $530	Free Cancellation	Rating 6.8 7,871 reviews		Search Lufthansa flights
Scandinavian Airlines	PriceFrom $533	Free Cancellation	Rating 7.3 1,725 reviews		Search Scandinavian Airlines flights

Why use momondo?

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

It is quick and easy to find Denmark to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

All flight searches from Denmark to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Denmark.

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

Price alerts on flights to Illinois from Denmark are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Illinois

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Flights to Las Vegasfrom $41

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Flights to Bostonfrom $74

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Flights to Dallasfrom $62

Flights to Seattlefrom $104

Cheap flights from Denmark to Illinois from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denmark to Illinois departing on 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Denmark to Illinois

Recent round-trip flight deals from Denmark to Illinois

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Recent last minute flight deals from Denmark to Illinois

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Icelandair flights from Denmark to Illinois

Our best Icelandair deals on Denmark to Illinois flight tickets

Scandinavian Airlines flights from Denmark to Illinois

Our best Scandinavian Airlines deals on Denmark to Illinois flight tickets

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

See travel insights to Illinois from

How to get the cheapest flight ticket from Denmark to Illinois

What is the cheapest month to fly to Illinois?

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

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Denmark to Illinois flight route?

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

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

Can stopping save me money on Denmark to Illinois flights?

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

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

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

How long is the flight from Denmark to Illinois?

Cheap Denmark to Illinois flight deals and tips

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

Fastest flight time

Direct flights

Airports in Illinois

Best airlines flying from Denmark to Illinois

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

Why use momondo?

An easier way to manage your Illinois 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 Illinois

Popular cities in Illinois

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

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