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$239+ Cheap flights from Chicago (CHI) to Denmark

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CPH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Chicago to Denmark

Cheapest flights from Chicago to Denmark
Explore the most affordable flight options available from Chicago to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Icelandair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:30 pmORD - CPH
1 stop10h 15mIcelandair
Thu 1/2212:55 pmCPH - ORD
1 stop11h 25mIcelandair
Deal found 12/16$523
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:10 pmORD - CPH
1 stop25h 15mSWISS
Thu 1/222:55 pmCPH - ORD
1 stop32h 25mSWISS
Deal found 12/16$525
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:25 pmORD - CPH
1 stop18h 55mDelta
Thu 1/229:55 amCPH - ORD
2 stops15h 50mDelta
Deal found 12/16$554
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:25 pmORD - CPH
1 stop16h 55mLufthansa
Thu 12/2512:30 pmCPH - ORD
1 stop14h 35mLufthansa
Deal found 12/17$557
This Gurufare deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmORD - CPH
2 stops23h 15mMultiple Airlines
Sun 1/186:50 amCPH - ORD
1 stop15h 30mMultiple Airlines
Deal found 12/17$580
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmORD - CPH
2 stops23h 15mSWISS
Sun 1/187:55 pmCPH - ORD
2 stops49h 15mSWISS
Deal found 12/17$586
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmORD - CPH
2 stops23h 15mSWISS
Sat 1/177:55 pmCPH - ORD
2 stops49h 15mSWISS
Deal found 12/17$588
This Gurufare deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:10 pmORD - CPH
2 stops21h 55mMultiple Airlines
Sat 1/177:00 pmCPH - ORD
1 stop27h 20mMultiple Airlines
Deal found 12/17$600
This Booking.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:25 pmORD - CPH
1 stop12h 20mMultiple Airlines
Mon 12/226:50 amCPH - ORD
1 stop12h 55mMultiple Airlines
Deal found 12/17$612
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:25 pmORD - CPH
1 stop16h 55mUnited Airlines
Thu 12/259:50 amCPH - ORD
2 stops28h 57mUnited Airlines
Deal found 12/17$615
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:00 pmORD - CPH
1 stop16h 35mUnited Airlines
Sat 12/276:55 amCPH - ORD
1 stop12h 15mUnited Airlines
Deal found 12/15$621
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:35 amORD - BLL
2 stops19h 50mUnited Airlines
Tue 12/236:30 amBLL - ORD
2 stops24h 14mUnited Airlines
Deal found 12/16$951

Find flight deals from Chicago to Denmark

Keep the following information in mind while searching for Chicago to Denmark flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$472
(Cheapflightsfares)

One-way from

$239
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$758

Good round-trip deal

$506 or less

Good one-way deal

$373 or less
Provider with most accurate pricing for Chicago (CHI)-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Kastrup Copenhagen flights.
Search Deals
From Chicago (CHI) to Denmark
Search Deals
One-way flight from Chicago (CHI) to Denmark
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Denmark.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Denmark.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Denmark that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Chicago to Denmark that are best for you.

Fly from

Chicago

Fly to

Denmark

Route

Depart

Return

Price

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 2/25

7:20 pm-8:45 pm

1 stop18h 25m

Billund

Sun 3/1

9:55 am-4:45 pm

1 stop13h 50m

$472

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Mon 3/2

7:20 pm-5:10 pm

1 stop14h 50m

Aalborg

Fri 3/6

8:25 am-4:55 pm

1 stop15h 30m

$501

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 3/23

10:50 pm-5:35 pm

1 stop12h 45m

Kastrup Copenhagen

Wed 3/25

6:50 am-8:10 pm

2 stops19h 20m

$509

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Sun 1/11

7:10 pm-7:05 pm

2 stops16h 55m

Aalborg

Thu 1/15

7:40 pm-4:45 pm

2 stops28h 05m

$512

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 3/17

6:20 pm-2:35 pm

1 stop14h 15m

Billund

Tue 3/31

2:20 pm-2:30 pm

1 stop31h 10m

$523

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Tue 1/13

3:27 pm-12:10 pm

2 stops37h 43m

Billund

Tue 1/20

1:10 pm-7:49 pm

2 stops37h 39m

$526

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Wed 3/18

10:45 pm-12:05 pm

1 stop31h 20m

Billund

Tue 3/31

10:40 am-1:50 pm

1 stop34h 10m

$527

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 3/15

1:56 pm-1:10 pm

2 stops17h 14m

Kastrup Copenhagen

Thu 4/2

9:25 am-2:15 pm

1 stop11h 50m

$534

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 4/21

12:15 pm-1:20 pm

2 stops18h 05m

Kastrup Copenhagen

Thu 4/30

9:25 am-2:15 pm

1 stop11h 50m

$534

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 4/22

7:59 pm-7:55 pm

2 stops16h 56m

Kastrup Copenhagen

Wed 4/29

2:45 pm-2:15 pm

1 stop30h 30m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 52 results
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Best time to book a flight from Chicago to Denmark

Have a flexible travel schedule? Discover the best time to fly to Denmark from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Denmark

What is the cheapest month to book a flight from Chicago to Denmark?

Currently, February is the cheapest month in which you can book a flight from Chicago to Denmark (average of $397). Flying from Chicago to Denmark in June is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to DK?

Find hourly flight availability from Chicago to Denmark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Chicago to Denmark is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 19% on airfare.

How often are flights from Chicago to Denmark delayed?

About 21% of weekly flights between Chicago and Denmark have experienced delays in the past year, with the average delay time being 141 minutes.

What is the most punctual flight time for Chicago to Denmark flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Denmark flights?

Over the last year, Scandinavian Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denmark. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Chicago to Denmark, such as Delta, Scandinavian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.4
Good
1,607 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,093 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
591 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,585 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Denmark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Denmark?

    There are many flights that can get you from Chicago to Denmark in 12h 45m. Fly via Scandinavian Airlines, United Airlines, or Delta to get the fastest option. The distance between Chicago and Denmark is about 4256 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Chicago to Denmark one-way?

    $155 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Icelandair and Scandinavian Airlines, with prices starting from $280 and $317, respectively.

  • What are the most popular routes from Chicago to Denmark?

    The most popular flight routes from Chicago to Denmark are Chicago O'Hare Intl - Kastrup Copenhagen, Chicago Midway - Kastrup Copenhagen and Chicago O'Hare Intl - Billund.

  • What are the most reliable airlines from Chicago to Denmark?

    The top 3 most reliable airlines when flying from Chicago to Denmark are Air France (70%), Scandinavian Airlines (70%) and Delta (70%).

  • What are the cheapest flights from Chicago to Denmark?

    Looking at all options, your cheapest flight can be booked for $361. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $366 on average, our data indicates $1,345 when flying from Chicago to Denmark.

  • Can I find deals for flights from Chicago to Denmark that include hotel bookings?

    Yes. In addition to deals on Chicago to Denmark flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Denmark?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Denmark.

  • Can I find deals for business class flights from Chicago to Denmark?

    Yes. Cheapflights offers flight deals from Chicago to Denmark by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Denmark?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Denmark (average of $397). Flying from Chicago to Denmark in June is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to Denmark

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Chicago to Denmark

Discover the top 10 airlines that operate flights from Chicago to Denmark. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$421Average$606FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$454Average$779FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$489Average$766FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$496Average$831FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$508Average$690FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$540Average$683FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$541Average$705FlexibilityNo cancel feeOn-time67%
SWISSCheapest$548Average$792FlexibilityNo cancel feeOn-time79%
FinnairCheapest$580Average$746FlexibilityNo cancel feeOn-time76%
KLMCheapest$596Average$736FlexibilityNo cancel feeOn-time75%

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