Denmark

$308+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CPH
Jun 10 — Jun 171
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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 May 11, 2026.

This oojo deal was found by Cheapflights users on 5/9. 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.
Thu 11/266:30 pm
ORD
-
CPH
1 stop18h 15m
Icelandair
Wed 12/25:05 pm
CPH
-
ORD
1 stop31h 15m
Icelandair
Deal found 5/9$660
This Booking.com deal was found by Cheapflights users on 5/10. 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.
Wed 8/126:00 pm
ORD
-
CPH
1 stop15h 50m
TAP AIR PORTUGAL
Wed 8/266:00 am
CPH
-
ORD
1 stop15h 45m
TAP AIR PORTUGAL
Deal found 5/10$664
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Sat 11/76:30 pm
ORD
-
CPH
1 stop10h 15m
Multiple Airlines
Thu 11/127:50 am
CPH
-
ORD
2 stops16h 30m
Multiple Airlines
Deal found 5/7$668
This Gotogate deal was found by Cheapflights users on 5/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 pm
ORD
-
CPH
1 stop22h 05m
TAP AIR PORTUGAL
Thu 12/106:35 pm
CPH
-
ORD
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 5/8$671
This Priceline deal was found by Cheapflights users on 5/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:30 pm
ORD
-
CPH
1 stop14h 30m
Multiple Airlines
Tue 11/178:55 am
CPH
-
ORD
2 stops17h 47m
Multiple Airlines
Deal found 5/6$679
This Priceline deal was found by Cheapflights users on 5/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 pm
ORD
-
CPH
1 stop18h 15m
Multiple Airlines
Tue 12/88:55 am
CPH
-
ORD
2 stops17h 42m
Multiple Airlines
Deal found 5/10$680
This Orbitz deal was found by Cheapflights users on 5/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:30 pm
ORD
-
CPH
1 stop10h 30m
Multiple Airlines
Sat 11/2110:35 am
CPH
-
ORD
1 stop13h 30m
Multiple Airlines
Deal found 5/7$682
This Priceline deal was found by Cheapflights users on 5/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 pm
ORD
-
CPH
1 stop14h 30m
Multiple Airlines
Sun 11/226:55 am
CPH
-
ORD
1 stop13h 55m
Multiple Airlines
Deal found 5/8$684
This Priceline deal was found by Cheapflights users on 5/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:30 pm
ORD
-
CPH
1 stop18h 15m
Multiple Airlines
Sun 11/86:55 am
CPH
-
ORD
1 stop17h 10m
Multiple Airlines
Deal found 5/9$685
This oojo deal was found by Cheapflights users on 5/7. 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 8/196:00 pm
ORD
-
CPH
1 stop15h 50m
TAP AIR PORTUGAL
Wed 8/266:00 am
CPH
-
ORD
1 stop15h 45m
TAP AIR PORTUGAL
Deal found 5/7$690
This Delta deal was found by Cheapflights users on 5/8. 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.
Tue 8/44:20 pm
ORD
-
AAL
1 stop10h 40m
Delta
Wed 12/236:00 am
AAL
-
ORD
1 stop15h 30m
Delta
Deal found 5/8$745
This KLM deal was found by Cheapflights users on 5/7. 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.
Mon 8/105:10 pm
ORD
-
BLL
1 stop11h 10m
Multiple Airlines
Tue 12/222:30 pm
BLL
-
ORD
1 stop31h 00m
Multiple Airlines
Deal found 5/7$746

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$664
(Booking.com)

One-way from

$308

Popular in

June

Cheapest in

February

Average price

$688

Good round-trip deal

$761 or less

Good one-way deal

$478 or less
Provider with most accurate pricing for Chicago (CHI)-Kastrup Copenhagen flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Kastrup Copenhagen flights.
From Chicago (CHI) to Denmark
One-way flight from Chicago (CHI) to Denmark
Highest demand for flights based on searches. 18% potential increase in price ($146 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Chicago (CHI) to Denmark.
Price to beat on a one-way flight from Chicago (CHI) to Denmark.

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 May 11, 2026.
Use the filters below to find and compare flights from Chicago to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Tue 8/4

4:20 pm-10:00 am

1 stop10h 40m

Aalborg

Wed 12/23

6:10 pm-2:25 pm

1 stop27h 15m

$745

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Tue 8/4

4:20 pm-5:40 pm

1 stop18h 20m

Aalborg

Wed 12/23

10:25 am-2:30 pm

1 stop11h 05m

$745

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Fri 7/31

2:56 pm-10:50 am

1 stop12h 54m

Kastrup Copenhagen

Sun 8/16

6:20 am-11:00 am

1 stop11h 40m

$849

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 7/20

5:10 pm-11:20 am

1 stop11h 10m

Billund

Tue 7/28

4:15 pm-2:30 pm

1 stop29h 15m

$871

ChicagoBillund

ORD - BLL

ORDBLL

Chicago O'Hare Intl

Mon 7/20

1:24 pm-11:20 am

2 stops14h 56m

Billund

Tue 7/28

10:15 am-9:52 pm

2 stops18h 37m

$886

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sat 6/6

7:50 pm-8:55 am

2 stops30h 05m

Kastrup Copenhagen

Tue 6/16

6:20 am-11:00 am

1 stop11h 40m

$888

ChicagoBillund

MDW - BLL

MDWBLL

Chicago Midway

Tue 6/9

11:05 am-9:35 am

2 stops15h 30m

Billund

Tue 6/16

10:15 am-6:18 pm

2 stops15h 03m

$891

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Tue 8/4

7:00 am-8:55 am

2 stops42h 55m

Aalborg

Wed 12/23

2:35 pm-5:34 pm

2 stops57h 59m

$904

ChicagoAalborg

ORD - AAL

ORDAAL

Chicago O'Hare Intl

Fri 7/24

4:20 pm-10:00 am

1 stop10h 40m

Aalborg

Tue 7/28

6:10 pm-2:30 pm

1 stop27h 20m

$924

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 5/28

1:18 pm-11:55 am

2 stops15h 37m

Kastrup Copenhagen

Thu 6/11

6:10 am-2:50 pm

2 stops15h 40m

$950

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/8

Showing 1-10 of 52 resultsSorted by cheapest first
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6

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

How far ahead should I book a flight from Chicago to Denmark?

To ensure you get the cheapest price possible for a flight from Chicago to Denmark, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Chicago to Denmark (average of $313). Flying from Chicago to Denmark in July is currently the most expensive (average of $536). 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 May 11, 2026.

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.

How often are flights from Chicago to Denmark delayed?

About 22% of weekly flights between Chicago and Denmark have experienced delays in the past year, with the average delay time being 177 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning 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 Friday 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 22% 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 May 11, 2026.
Read through reviews of airlines operating flights from Chicago to Denmark, such as Delta,Scandinavian Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 10h 40m. Fly via KLM, Delta, or United Airlines to get the fastest option. The distance between Chicago and Denmark is about 4110 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 United Airlines, with prices starting from $197 and $332, respectively.

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

  • 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 (88%), Scandinavian Airlines (88%) and Delta (88%).

  • What are the cheapest flights from Chicago to Denmark?

    Looking at all options, your cheapest flight can be booked for $444. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $621 on average, our data indicates $1,139 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, May is the cheapest month in which you can book a flight from Chicago to Denmark (average of $313). Flying from Chicago to Denmark in July is currently the most expensive (average of $536). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$414Average$580FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$453Average$774FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$489Average$870FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$498Average$643FlexibilityNo cancel feeOn-time70%
SWISSCheapest$511Average$666FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$514Average$711FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$540Average$650FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$541Average$634FlexibilityNo cancel feeOn-time67%
KLMCheapest$545Average$702FlexibilityNo cancel feeOn-time75%
DeltaCheapest$633Average$1,204FlexibilityNo cancel feeOn-timeN/A

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