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Denmark

$222+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CPH
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find 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 November 3, 2025.

This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:10 amORD - AAL
2 stops19h 10mScandinavian Airlines
Sat 11/225:45 pmAAL - ORD
1 stop30h 00mScandinavian Airlines
Deal found 11/1$449
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:10 pmORD - CPH
1 stop15h 35mTAP AIR PORTUGAL
Fri 12/56:00 amCPH - ORD
1 stop16h 25mTAP AIR PORTUGAL
Deal found 11/2$454
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:20 pmORD - AAR
1 stop21h 30mScandinavian Airlines
Sat 1/106:20 amAAR - ORD
1 stop17h 25mScandinavian Airlines
Deal found 11/2$459
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:20 pmORD - BLL
1 stop21h 35mScandinavian Airlines
Sun 11/236:15 amBLL - ORD
1 stop17h 30mScandinavian Airlines
Deal found 11/2$460
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:20 pmORD - AAR
1 stop15h 50mScandinavian Airlines
Sat 1/1010:15 amAAR - ORD
1 stop13h 30mScandinavian Airlines
Deal found 11/2$468
This Scandinavian Airlines deal was found by Cheapflights users on 11/2. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:20 pmORD - CPH
Nonstop8h 05mScandinavian Airlines
Mon 1/122:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 11/2$469
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:10 pmORD - CPH
1 stop15h 35mTAP AIR PORTUGAL
Tue 11/256:30 pmCPH - ORD
1 stop27h 30mTAP AIR PORTUGAL
Deal found 11/1$471
This oojo deal was found by Cheapflights users on 11/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:15 pmORD - CPH
1 stop20h 25mTAP AIR PORTUGAL
Sun 12/146:00 amCPH - ORD
1 stop15h 45mTAP AIR PORTUGAL
Deal found 11/3$474
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 11/104:20 pmORD - BLL
1 stop14h 00mLufthansa
Sun 11/236:30 amBLL - ORD
2 stops18h 49mLufthansa
Deal found 11/2$478
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:20 pmORD - CPH
Nonstop8h 05mScandinavian Airlines
Sat 12/62:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 11/1$490
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 12/29:50 pmORD - CPH
1 stop12h 45mLufthansa
Tue 12/96:50 amCPH - ORD
1 stop13h 20mLufthansa
Deal found 11/2$491
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 11/309:50 pmORD - CPH
1 stop18h 15mLufthansa
Sun 12/76:50 amCPH - ORD
1 stop20h 15mLufthansa
Deal found 11/2$493

Cheap flight deals from Chicago to Denmark

Keep the following information in mind while searching for Chicago to Denmark flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$449
(FlightHub)

One-way from

$222
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$537

Good round-trip deal

$521 or less

Good one-way deal

$379 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 ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 3, 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

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Sun 11/16

7:10 am-9:20 am

2 stops19h 10m

Aalborg

Sat 11/22

5:45 pm-4:45 pm

1 stop30h 00m

$449

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Wed 3/4

7:30 am-2:00 pm

2 stops23h 30m

Aalborg

Sun 3/8

6:20 am-4:45 pm

1 stop17h 25m

$449

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Thu 1/15

7:01 am-8:45 pm

2 stops30h 44m

Billund

Mon 1/19

11:05 am-4:45 pm

1 stop12h 40m

$453

ChicagoAarhus

ORD - AAR

ORDAAR

Chicago O'Hare Intl

Sun 12/28

7:20 pm-11:50 pm

1 stop21h 30m

Aarhus

Sat 1/10

6:20 am-4:45 pm

1 stop17h 25m

$459

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 1/11

7:10 pm-10:25 am

Nonstop8h 15m

Kastrup Copenhagen

Fri 1/16

2:30 pm-4:45 pm

Nonstop9h 15m

$461

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 1/11

7:10 pm-10:25 am

Nonstop8h 15m

Kastrup Copenhagen

Sun 1/18

2:30 pm-4:55 pm

Nonstop9h 25m

$461

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Fri 1/9

7:20 pm-10:25 am

Nonstop8h 05m

Kastrup Copenhagen

Sun 1/18

2:30 pm-4:55 pm

Nonstop9h 25m

$461

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 1/15

7:20 pm-10:25 am

Nonstop8h 05m

Kastrup Copenhagen

Mon 1/19

2:30 pm-4:45 pm

Nonstop9h 15m

$461

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 1/12

7:20 pm-10:25 am

Nonstop8h 05m

Kastrup Copenhagen

Sun 1/18

2:30 pm-4:55 pm

Nonstop9h 25m

$461

ChicagoAarhus

ORD - AAR

ORDAAR

Chicago O'Hare Intl

Mon 12/29

7:20 pm-6:10 pm

1 stop15h 50m

Aarhus

Sat 1/10

10:15 am-4:45 pm

1 stop13h 30m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 46 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 $373). Flying from Chicago to Denmark in June is currently the most expensive (average of $634). 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 November 3, 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.

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 November 3, 2025.
Read through reviews of airlines operating flights from Chicago to Denmark, such as SWISS, Scandinavian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,775 reviews

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
SWISS
7.5
Good
1,775 reviews
SWISS
7.5
Good
1,775 reviews

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Scandinavian Airlines
7.4
Good
1,556 reviews
SWISS
7.5
Good
1,775 reviews

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
United Airlines
7.4
Good
8,997 reviews
SWISS
7.5
Good
1,775 reviews

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Icelandair
7.1
Good
568 reviews
SWISS
7.5
Good
1,775 reviews

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
British Airways
6.7
Okay
7,494 reviews
SWISS
7.5
Good
1,775 reviews

Crew

8.2

Boarding

7.6

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.

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, Delta, or KLM to get the fastest option. The distance between Chicago and Denmark is about 4261 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 - Aalborg.

  • 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 (83%), Scandinavian Airlines (83%) and Delta (83%).

  • What are the cheapest flights from Chicago to Denmark?

    Looking at all options, your cheapest flight can be booked for $370. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $363 on average, our data indicates $1,267 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 $373). Flying from Chicago to Denmark in June is currently the most expensive (average of $634). 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$410Average$622FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$441Average$711FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$471Average$718FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$489Average$731FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$508Average$667FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$540Average$705FlexibilityNo cancel feeOn-time67%
SWISSCheapest$554Average$756FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$560Average$680FlexibilityNo cancel feeOn-time69%
FinnairCheapest$576Average$720FlexibilityNo cancel feeOn-time76%
DeltaCheapest$611Average$746FlexibilityNo cancel feeOn-timeN/A

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