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$351+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CPH
mai 4 — mai 111
dim. 5/4
dim. 5/11
1 adult, Economy
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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 avril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$580
(FlightHub)

One-way from

$351
(CrystalTravel)

Popular in

June

Cheapest in

February

Average price

$569

Good round-trip deal

$544 or less

Good one-way deal

$351 or less
Provider with most accurate pricing for Chicago (CHI)-Kastrup Copenhagen flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Kastrup Copenhagen flights.
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From Chicago (CHI) to Denmark
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One-way flight from Chicago (CHI) to Denmark
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Highest demand for flights based on searches. 20% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Denmark.
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Price to beat on a one-way flight from Chicago (CHI) to Denmark.
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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 avril 29, 2025.

This FlightHub deal was found by Cheapflights users on 4/29. 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.
mar. 8/197:15 pmORD - BLL
1 stop12h 50mScandinavian Airlines
mar. 8/269:55 amBLL - ORD
1 stop13h 15mScandinavian Airlines
Deal found 4/29$580
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/18:35 pmORD - CPH
1 stop12h 00mAmerican Airlines
dim. 9/72:00 pmCPH - ORD
2 stops14h 30mAmerican Airlines
Deal found 4/29$582
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/198:40 amORD - BLL
2 stops22h 20mAir Canada
mar. 8/266:00 amBLL - ORD
2 stops21h 16mAir Canada
Deal found 4/29$583
This FlightHub deal was found by Cheapflights users on 4/29. 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.
ven. 8/87:25 pmORD - CPH
1 stop27h 55mIcelandair
lun. 8/1810:35 pmCPH - ORD
1 stop29h 40mIcelandair
Deal found 4/29$583
This FlightHub deal was found by Cheapflights users on 4/29. 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.
lun. 10/208:40 amORD - CPH
2 stops19h 10mMultiple Airlines
lun. 11/37:55 pmCPH - ORD
1 stop27h 20mMultiple Airlines
Deal found 4/29$585
This FlightHub deal was found by Cheapflights users on 4/29. 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.
mar. 11/1810:10 amORD - CPH
1 stop13h 50mScandinavian Airlines
jeu. 11/272:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 4/29$586
This United Airlines deal was found by Cheapflights users on 4/29. 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.
lun. 8/111:00 pmORD - CPH
2 stops14h 50mUnited Airlines
jeu. 8/2112:45 pmCPH - ORD
2 stops16h 11mUnited Airlines
Deal found 4/29$587
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/167:20 amORD - CPH
2 stops23h 40mAir Canada
jeu. 11/276:55 amCPH - ORD
2 stops14h 50mAir Canada
Deal found 4/29$590
This Delta deal was found by Cheapflights users on 4/29. 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.
mar. 11/182:00 pmORD - CPH
2 stops16h 10mDelta
mer. 11/269:45 amCPH - ORD
1 stop11h 45mDelta
Deal found 4/29$591
This Delta deal was found by Cheapflights users on 4/29. 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.
mar. 8/1910:35 amORD - BLL
2 stops17h 30mDelta
mar. 8/2610:15 amBLL - ORD
1 stop10h 55mDelta
Deal found 4/29$593
This Flightsearch deal was found by Cheapflights users on 4/29. 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/212:20 pmORD - CPH
2 stops17h 00mSWISS
lun. 8/188:10 pmCPH - ORD
1 stop26h 45mSWISS
Deal found 4/29$603
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/55:10 pmORD - BLL
1 stop16h 15mMultiple Airlines
mar. 5/272:15 pmBLL - ORD
1 stop30h 55mMultiple Airlines
Deal found 4/28$623

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 avril 29, 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

mar. 8/19

7:15 pm-3:05 pm

1 stop12h 50m

Billund

mar. 8/26

9:55 am-4:10 pm

1 stop13h 15m

$580

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

lun. 9/1

8:35 pm-3:35 pm

1 stop12h 00m

Kastrup Copenhagen

dim. 9/7

2:00 pm-9:30 pm

2 stops14h 30m

$582

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

mar. 8/19

8:40 am-2:00 pm

2 stops22h 20m

Billund

mar. 8/26

6:00 am-8:16 pm

2 stops21h 16m

$583

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

ven. 8/8

7:25 pm-6:20 am

1 stop27h 55m

Kastrup Copenhagen

lun. 8/18

10:35 pm-9:15 pm

1 stop29h 40m

$583

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

lun. 10/20

8:40 am-10:50 am

2 stops19h 10m

Kastrup Copenhagen

lun. 11/3

7:55 pm-4:15 pm

1 stop27h 20m

$585

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

lun. 8/11

1:00 pm-10:50 am

2 stops14h 50m

Kastrup Copenhagen

jeu. 8/21

12:45 pm-9:56 pm

2 stops16h 11m

$587

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

mar. 8/19

10:35 am-11:05 am

2 stops17h 30m

Billund

mar. 8/26

10:15 am-2:10 pm

1 stop10h 55m

$593

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

mar. 9/23

7:15 pm-10:45 am

Nonstop8h 30m

Kastrup Copenhagen

sam. 10/4

1:55 pm-4:10 pm

Nonstop9h 15m

$600

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

mer. 8/27

10:40 am-10:50 am

2 stops17h 10m

Kastrup Copenhagen

mer. 9/10

12:45 pm-8:11 pm

1 stop14h 26m

$601

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

lun. 7/21

2:20 pm-2:20 pm

2 stops17h 00m

Kastrup Copenhagen

lun. 8/18

8:10 pm-3:55 pm

1 stop26h 45m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 51 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, November is the cheapest month in which you can book a flight from Chicago to Denmark (average of $523). Flying from Chicago to Denmark in June is currently the most expensive (average of $903). 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 avril 29, 2025.

When flying from Chicago to Denmark, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Chicago to Denmark?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Denmark. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Denmark flight should consider departing on Monday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Denmark by month

Plan your trip to Denmark by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denmark ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Denmark when rainfall is around 0.8 in.

Temperature in Denmark by month

Plan your trip to Denmark by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denmark, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 avril 29, 2025.
Read through reviews of airlines operating flights from Chicago to Denmark, such as Delta, KLM and SWISS. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    $351 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Air Serbia and TAP AIR PORTUGAL, with prices starting from $424 and $432, 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 cheapest flights from Chicago to Denmark?

    Looking at all options, your cheapest flight can be booked for $215. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $466 on average our data indicates $1,066 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, November is the cheapest month in which you can book a flight from Chicago to Denmark (average of $523). Flying from Chicago to Denmark in June is currently the most expensive (average of $903). 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 avril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$379Average$632FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$440Average$832FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$488Average$718FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$498Average$673FlexibilityNo cancel feeOn-time70%
KLMCheapest$501Average$817FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$508Average$693FlexibilityNo cancel feeOn-time69%
SWISSCheapest$509Average$800FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$521Average$651FlexibilityNo cancel feeOn-time67%
FinnairCheapest$570Average$708FlexibilityNo cancel feeOn-time76%
DeltaCheapest$570Average$686FlexibilityNo cancel feeOn-timeN/A

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