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

One-way options have recently been found by users for as low as $439 on Air Serbia. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $443 and Finnair from $451 one-way.

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

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

What are the most popular routes from Denmark to Chicago?

While some choose either Kastrup Copenhagen - Chicago Midway or Billund - Chicago Midway, Kastrup Copenhagen - Chicago O'Hare Intl is the most popular route from Denmark to Chicago.

What are the cheapest flights from Denmark to Chicago?

The cheapest flight price from Denmark to Chicago is $461. On average you can expect to pay $972. The most popular route, (Kastrup Copenhagen - Chicago O'Hare Intl), can usually be booked for $426.

What are the most popular airlines that fly from Denmark to Chicago?

British Airways, Icelandair and Lufthansa are the most popular airlines when flying from Denmark to Chicago.

What is the cheapest day to fly round-trip from Denmark to Chicago?

Flights from Denmark to Chicago are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago.

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

To save on the cost of your flight from Denmark to Chicago, book at least 56 days before your planned departure. Booking around this time can save you about 18% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $545 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $684.

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

Our data shows that February tends to be the cheapest month to fly to Chicago from Denmark. Users have commonly found prices around $578 for the month, but tickets can be as low as $360. Due to multiple factors, prepare for potentially higher prices in July.

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

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

How can I find direct flights from Denmark to Chicago?

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

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

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

$684+ Flights from Denmark to Chicago

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Cheap flight deals from Denmark to Chicago

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$401 (Travelis)
One-way from	$302 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$557
Good round-trip deal	$726 or less
Good one-way deal	$682 or less

Provider with most accurate pricing for Kastrup Copenhagen-Chicago (CHI) flight deals.

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Provider most trusted by Cheapflights users for Kastrup Copenhagen-Chicago (CHI) flights.

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From Denmark to Chicago (CHI)

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One-way flight from Denmark to Chicago (CHI)

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Highest demand for flights based on searches. 15% potential increase in price ($105 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($20 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 Denmark to Chicago (CHI).

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Price to beat on a one-way flight from Denmark to Chicago (CHI).

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Find flight deals from Denmark to Chicago

Cheapest flights from Denmark to Chicago
Explore the most affordable flight options available from Denmark to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

Thu 5/222:10 pmBLL - ORD

1 stop34h 40mFinnair

Mon 5/2610:25 pmORD - BLL

2 stops32h 00mFinnair

Deal found 4/1

$401

Fri 5/28:50 amCPH - ORD

1 stop16h 00mFinnair

Mon 5/59:30 pmORD - CPH

1 stop14h 10mFinnair

Deal found 3/31

$444

Mon 4/281:15 pmCPH - ORD

1 stop11h 35mAmerican Airlines

Tue 5/65:40 pmORD - CPH

1 stop22h 40mAmerican Airlines

Deal found 4/1

$446

Mon 9/18:40 amCPH - ORD

2 stops17h 56mBritish Airways

Sat 9/134:42 pmORD - CPH

1 stop11h 33mBritish Airways

Deal found 4/1

$452

Thu 5/158:50 amCPH - ORD

1 stop16h 00mMultiple Airlines

Thu 5/2910:25 pmORD - CPH

1 stop18h 05mMultiple Airlines

Deal found 4/1

$465

Wed 9/175:05 pmBLL - ORD

2 stops23h 08mBritish Airways

Sun 9/281:19 pmORD - BLL

2 stops20h 01mBritish Airways

Deal found 3/31

$489

Fri 5/26:10 amCPH - ORD

2 stops19h 12mUnited Airlines

Mon 5/54:25 pmORD - CPH

2 stops14h 50mUnited Airlines

Deal found 3/31

$513

Sat 5/2410:35 pmCPH - ORD

1 stop26h 40mIcelandair

Thu 5/2910:15 pmORD - CPH

1 stop16h 30mIcelandair

Deal found 4/1

$524

Thu 5/156:50 amCPH - ORD

2 stops14h 57mAir Canada

Thu 5/2912:00 pmORD - CPH

2 stops13h 55mAir Canada

Deal found 4/1

$539

Thu 5/226:00 amBLL - ORD

1 stop15h 10mAir France

Mon 5/264:20 pmORD - BLL

1 stop23h 40mAir France

Deal found 4/1

$542

Fri 5/169:20 amCPH - ORD

1 stop11h 50mDelta

Fri 5/237:00 amORD - CPH

1 stop16h 30mDelta

Deal found 4/1

$543

Thu 5/226:00 amBLL - ORD

1 stop15h 10mKLM

Mon 5/264:20 pmORD - BLL

1 stop23h 40mKLM

Deal found 3/31

$547

Best flights from Denmark to Chicago
Discover carefully curated flight deals from Denmark to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2025.

Thu 5/222:10 pmBLL - ORD

1 stop34h 40mFinnair

Mon 5/2610:25 pmORD - BLL

2 stops32h 00mFinnair

Deal found 4/1

$401

Mon 4/281:15 pmCPH - ORD

1 stop11h 35mAmerican Airlines

Tue 5/65:40 pmORD - CPH

1 stop22h 40mAmerican Airlines

Deal found 4/1

$446

Mon 9/18:40 amCPH - ORD

2 stops17h 56mBritish Airways

Sat 9/134:42 pmORD - CPH

1 stop11h 33mBritish Airways

Deal found 4/1

$452

Thu 5/158:50 amCPH - ORD

1 stop16h 00mMultiple Airlines

Thu 5/2910:25 pmORD - CPH

1 stop18h 05mMultiple Airlines

Deal found 4/1

$465

Fri 5/26:10 amCPH - ORD

2 stops19h 12mUnited Airlines

Mon 5/54:25 pmORD - CPH

2 stops14h 50mUnited Airlines

Deal found 3/31

$513

Sat 5/2410:35 pmCPH - ORD

1 stop26h 40mIcelandair

Thu 5/2910:15 pmORD - CPH

1 stop16h 30mIcelandair

Deal found 4/1

$524

Thu 5/156:50 amCPH - ORD

2 stops14h 57mAir Canada

Thu 5/2912:00 pmORD - CPH

2 stops13h 55mAir Canada

Deal found 4/1

$539

Thu 5/226:00 amBLL - ORD

1 stop15h 10mAir France

Mon 5/264:20 pmORD - BLL

1 stop23h 40mAir France

Deal found 4/1

$542

Fri 5/169:20 amCPH - ORD

1 stop11h 50mDelta

Fri 5/237:00 amORD - CPH

1 stop16h 30mDelta

Deal found 4/1

$543

Thu 5/226:00 amBLL - ORD

1 stop15h 10mKLM

Mon 5/264:20 pmORD - BLL

1 stop23h 40mKLM

Deal found 3/31

$547

Thu 5/159:00 amCPH - MDW

2 stops15h 43mVirgin Atlantic

Thu 5/296:31 pmMDW - CPH

2 stops28h 59mVirgin Atlantic

Deal found 4/1

$547

Tue 9/162:55 pmBLL - ORD

1 stop12h 00mLufthansa

Sat 9/274:00 pmORD - BLL

1 stop11h 15mLufthansa

Deal found 4/1

$551

Last-minute flights from Denmark to Chicago
Discover last-minute flight deals from Denmark to Chicago. Data last updated April 2, 2025 and is based on user searches.

Mon 4/281:15 pmCPH - ORD

1 stop11h 35mAmerican Airlines

Tue 5/65:40 pmORD - CPH

1 stop22h 40mAmerican Airlines

Deal found 4/1

$446

Fri 5/28:50 amCPH - ORD

1 stop16h 00mFinnair

Mon 5/59:30 pmORD - CPH

1 stop14h 10mFinnair

Deal found 3/31

$444

Fri 5/26:10 amCPH - ORD

2 stops19h 12mUnited Airlines

Mon 5/54:25 pmORD - CPH

2 stops14h 50mUnited Airlines

Deal found 3/31

$513

Thu 5/158:50 amCPH - ORD

1 stop16h 00mMultiple Airlines

Thu 5/2910:25 pmORD - CPH

1 stop18h 05mMultiple Airlines

Deal found 4/1

$465

Thu 5/157:05 amCPH - ORD

2 stops17h 29mBritish Airways

Thu 5/2910:25 pmORD - CPH

1 stop18h 05mBritish Airways

Deal found 4/1

$501

Thu 5/156:50 amCPH - ORD

2 stops14h 57mAir Canada

Thu 5/2912:00 pmORD - CPH

2 stops13h 55mAir Canada

Deal found 4/1

$539

Thu 5/159:00 amCPH - MDW

2 stops15h 43mVirgin Atlantic

Thu 5/296:31 pmMDW - CPH

2 stops28h 59mVirgin Atlantic

Deal found 4/1

$547

Fri 5/169:20 amCPH - ORD

1 stop11h 50mDelta

Fri 5/237:00 amORD - CPH

1 stop16h 30mDelta

Deal found 4/1

$543

Thu 5/222:10 pmBLL - ORD

1 stop34h 40mFinnair

Mon 5/2610:25 pmORD - BLL

2 stops32h 00mFinnair

Deal found 4/1

$401

Thu 5/226:00 amBLL - ORD

1 stop15h 10mAir France

Mon 5/264:20 pmORD - BLL

1 stop23h 40mAir France

Deal found 4/1

$542

Thu 5/226:00 amBLL - ORD

1 stop15h 10mKLM

Mon 5/264:20 pmORD - BLL

1 stop23h 40mKLM

Deal found 3/31

$547

Sat 5/2410:35 pmCPH - ORD

1 stop26h 40mIcelandair

Thu 5/2910:15 pmORD - CPH

1 stop16h 30mIcelandair

Deal found 4/1

$524

One-way flights from Denmark to Chicago
Search for one-way flight options from Denmark to Chicago. Find affordable one-way fares based on user searches. Data last updated April 2, 2025.

Mon 5/126:30 amCPH - ORD

3 stops44h 37mMultiple Airlines

Deal found 4/1

$302

Tue 6/246:35 amCPH - MDW

3 stops33h 10mMultiple Airlines

Deal found 4/1

$387

Tue 6/39:35 amCPH - ORD

1 stop35h 50mAir Serbia

Deal found 4/1

$439

Tue 6/105:40 pmCPH - ORD

1 stop29h 30mTAP AIR PORTUGAL

Deal found 3/31

$443

Thu 6/58:50 amCPH - ORD

1 stop16h 00mFinnair

Deal found 4/1

$451

Mon 8/252:00 pmCPH - ORD

1 stop13h 17mBritish Airways

Deal found 4/1

$463

Mon 9/14:45 pmCPH - ORD

1 stop11h 30mIcelandair

Deal found 4/1

$495

Tue 6/247:00 amCPH - ORD

1 stop15h 10mLOT

Deal found 4/1

$535

Tue 6/246:40 amCPH - ORD

1 stop13h 10mSWISS

Deal found 4/1

$562

Mon 6/237:30 pmCPH - ORD

2 stops24h 20mLufthansa

Deal found 4/1

$612

Thu 7/176:25 amCPH - ORD

1 stop34h 15mTurkish Airlines

Deal found 4/1

$626

Thu 5/291:55 pmCPH - ORD

Nonstop9h 15mScandinavian Airlines

Deal found 4/1

$630

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/22

2:10 pm-5:50 pm

1 stop34h 40m

Chicago O'Hare Intl

Mon 5/26

10:25 pm-1:25 pm

2 stops32h 00m

$401

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Fri 5/2

8:50 am-5:50 pm

1 stop16h 00m

Chicago O'Hare Intl

Mon 5/5

9:30 pm-6:40 pm

1 stop14h 10m

$444

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Mon 4/28

1:15 pm-5:50 pm

1 stop11h 35m

Chicago O'Hare Intl

Tue 5/6

5:40 pm-11:20 pm

1 stop22h 40m

$446

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Mon 9/1

8:40 am-7:36 pm

2 stops17h 56m

Chicago O'Hare Intl

Sat 9/13

4:42 pm-11:15 am

1 stop11h 33m

$452

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Thu 5/15

8:50 am-5:50 pm

1 stop16h 00m

Chicago O'Hare Intl

Thu 5/29

10:25 pm-11:30 pm

1 stop18h 05m

$465

BillundChicago

BLL - ORD

BLLORD

Billund

Wed 9/17

5:05 pm-9:13 am

2 stops23h 08m

Chicago O'Hare Intl

Sun 9/28

1:19 pm-4:20 pm

2 stops20h 01m

$489

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Fri 5/2

6:10 am-6:22 pm

2 stops19h 12m

Chicago O'Hare Intl

Mon 5/5

4:25 pm-2:15 pm

2 stops14h 50m

$513

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Sat 5/24

10:35 pm-6:15 pm

1 stop26h 40m

Chicago O'Hare Intl

Thu 5/29

10:15 pm-9:45 pm

1 stop16h 30m

$524

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Thu 5/15

6:50 am-2:47 pm

2 stops14h 57m

Chicago O'Hare Intl

Thu 5/29

12:00 pm-8:55 am

2 stops13h 55m

$539

BillundChicago

BLL - ORD

BLLORD

Billund

Thu 5/22

6:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Mon 5/26

4:20 pm-11:00 pm

1 stop23h 40m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 47 results

...

Best time to book a flight from Denmark to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Denmark 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 Denmark to Chicago

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

Currently, August is the cheapest month in which you can book a flight from Denmark to Chicago (average of $245). Flying from Denmark to Chicago in March is currently the most expensive (average of $321). 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 DK to CHI?

A simple way to save on the total cost of your ticket is to fly from Denmark to Chicago in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

Rainfall in Chicago by month

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Read reviews from past customers who have flown Delta, KLM and LOT from Denmark to Chicago. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,899 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,323 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT

7.6

Good

1,065 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,572 reviews

Delta

8.0

Very good

7,899 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Denmark to Chicago one-way?
One-way options have recently been found by users for as low as $439 on Air Serbia. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $443 and Finnair from $451 one-way.
What are the most popular routes from Denmark to Chicago?
While some choose either Kastrup Copenhagen - Chicago Midway or Billund - Chicago Midway, Kastrup Copenhagen - Chicago O'Hare Intl is the most popular route from Denmark to Chicago.
What are the cheapest flights from Denmark to Chicago?
The cheapest flight price from Denmark to Chicago is $461. On average you can expect to pay $972. The most popular route, (Kastrup Copenhagen - Chicago O'Hare Intl), can usually be booked for $426.
Can I find deals for flights from Denmark to Chicago that include hotel bookings?
Yes. In addition to deals on Denmark to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denmark to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denmark to Chicago.
Can I find deals for business class flights from Denmark to Chicago?
Yes. Cheapflights offers flight deals from Denmark to Chicago 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 Denmark to Chicago?
Currently, August is the cheapest month in which you can book a flight from Denmark to Chicago (average of $245). Flying from Denmark to Chicago in March is currently the most expensive (average of $321). 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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New Buffalo

Hammond

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Porter

Lansing

Valparaiso

Chesterton

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Top 5 airlines flying from Denmark to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$352	Average$449	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$400	Average$478	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$427	Average$662	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$455	Average$678	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$500	Average$663	FlexibilityNo cancel fee	On-time77%

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$302+ Cheap flights from Denmark to Chicago (CHI)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denmark to Chicago with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Denmark to Chicago

Keep the following information in mind while searching for Denmark to Chicago flight deals. Data was last updated April 2, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Denmark to Chicago

Cheapest flights from Denmark to ChicagoExplore the most affordable flight options available from Denmark to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

Explore the most affordable flight options available from Denmark to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Denmark to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Denmark with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Denmark to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

Rainfall in Chicago by month

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

Temperature in Chicago by month

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

Reviews of airlines servicing Chicago

Read reviews from past customers who have flown Delta, KLM and LOT from Denmark to Chicago. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Denmark to Chicago. 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 Denmark to Chicago one-way?

What are the most popular routes from Denmark to Chicago?

What are the cheapest flights from Denmark to Chicago?

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

How can I find direct flights from Denmark to Chicago?

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

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

Traveling to a place near Denmark?

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Alternative routes for Denmark to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Denmark to Chicago

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Cheapest flights from Denmark to Chicago
Explore the most affordable flight options available from Denmark to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.