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$320+ Cheap flights from Denmark to Illinois

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Denmark to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Denmark (DK0) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Denmark to Illinois

Cheapest flights from Denmark to Illinois
Explore the most affordable flight options available from Denmark to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This KLM deal was found by Cheapflights users on 11/20. 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.
Thu 12/56:10 pmAAL - ORD
1 stop27h 20mKLM
Mon 12/94:25 pmORD - AAL
1 stop10h 20mKLM
Deal found 11/20$480
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/162:15 pmCPH - ORD
1 stop12h 50mUnited Airlines
Wed 12/259:50 amORD - CPH
2 stops16h 25mUnited Airlines
Deal found 11/20$510
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/56:00 amAAL - ORD
2 stops34h 28mDelta
Mon 12/99:30 amORD - AAL
2 stops21h 15mDelta
Deal found 11/20$533
This Flysmarter deal was found by Cheapflights users on 11/20. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/207:55 pmCPH - ORD
2 stops25h 35mMultiple Airlines
Sun 11/246:35 pmORD - CPH
1 stop11h 55mMultiple Airlines
Deal found 11/20$661
This British Airways deal was found by Cheapflights users on 11/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/207:55 pmCPH - ORD
1 stop25h 50mBritish Airways
Sun 11/249:45 pmORD - CPH
1 stop28h 55mBritish Airways
Deal found 11/20$676
This oojo deal was found by Cheapflights users on 11/21. 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.
Mon 12/231:35 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Mon 12/307:10 pmORD - CPH
Nonstop7h 55mScandinavian Airlines
Deal found 11/21$705
This Flightnetwork deal was found by Cheapflights users on 11/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/810:50 amCPH - ORD
1 stop30h 20mTurkish Airlines
Thu 12/1211:55 amORD - CPH
1 stop18h 20mTurkish Airlines
Deal found 11/20$723
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Thu 12/56:20 amAAL - ORD
2 stops19h 05mMultiple Airlines
Mon 12/910:35 pmORD - AAL
3 stops29h 00mMultiple Airlines
Deal found 11/20$728
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/186:30 amBLL - STL
2 stops18h 05mUnited Airlines
Wed 12/258:00 amSTL - BLL
2 stops22h 15mUnited Airlines
Deal found 11/20$773
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 11/226:00 amCPH - MDW
2 stops19h 32mDelta
Fri 11/299:30 amMDW - CPH
2 stops16h 30mDelta
Deal found 11/20$803
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Sun 12/812:00 pmCPH - ORD
1 stop13h 45mAmerican Airlines
Thu 12/124:28 pmORD - CPH
2 stops17h 52mAmerican Airlines
Deal found 11/20$918
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/202:15 pmCPH - STL
2 stops31h 09mUnited Airlines
Fri 12/278:30 amSTL - CPH
2 stops42h 35mUnited Airlines
Deal found 11/20$921

Find flights from Denmark to Illinois within your budget

Customize your flight search to find flights from Denmark to Illinois 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 2/28

6:05 am-7:29 pm

2 stops20h 24m

Lambert-St Louis

Wed 3/5

10:49 am-11:20 am

2 stops17h 31m

$391

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Tue 1/14

12:55 pm-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Thu 1/23

6:30 pm-7:50 pm

1 stop18h 20m

$422

BillundChicago

BLL - ORD

BLLORD

Billund

Fri 1/10

1:05 pm-2:45 pm

1 stop32h 40m

Chicago O'Hare Intl

Tue 1/14

10:40 am-3:25 pm

2 stops21h 45m

$425

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Sun 1/12

7:45 pm-2:45 pm

1 stop26h 00m

Chicago O'Hare Intl

Mon 1/20

10:00 pm-5:25 pm

1 stop12h 25m

$428

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Sat 1/11

6:10 am-5:00 pm

1 stop17h 50m

Chicago O'Hare Intl

Tue 1/21

9:45 pm-4:50 pm

1 stop12h 05m

$429

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Sat 1/11

6:10 am-2:45 pm

1 stop15h 35m

Chicago O'Hare Intl

Mon 1/27

4:22 pm-1:10 pm

2 stops13h 48m

$431

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Sun 1/12

3:15 pm-5:00 pm

1 stop32h 45m

Chicago O'Hare Intl

Mon 1/27

5:20 pm-5:25 pm

2 stops17h 05m

$438

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Thu 1/16

7:05 am-7:55 pm

2 stops19h 50m

Chicago O'Hare Intl

Fri 1/31

1:15 pm-11:25 am

2 stops15h 10m

$456

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 2/28

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Wed 3/5

11:20 am-11:25 am

2 stops17h 05m

$457

CopenhagenSt. Louis

CPH - STL

CPHSTL

Kastrup Copenhagen

Fri 2/28

6:50 am-1:55 pm

1 stop14h 05m

Lambert-St Louis

Wed 3/5

3:45 pm-1:05 pm

1 stop14h 20m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 48 results
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Best time to book a flight from Denmark to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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.

Travel insights for flights from Denmark to Illinois

Get recent, data-driven insights about flights from Denmark to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Denmark to Illinois (average of $232). Flying from Denmark to Illinois in June is currently the most expensive (average of $308). 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 IL?

Find hourly flight availability from Denmark to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

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

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated November 21, 2024.
Get a feel of what it's like to fly with Air Canada, Ethiopian Air and Icelandair from Denmark to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,759 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

Delta
8.0
Very good
8,759 reviews
Delta
8.0
Very good
8,759 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,759 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,759 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

LOT
7.6
Good
1,166 reviews
Delta
8.0
Very good
8,759 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
805 reviews
Delta
8.0
Very good
8,759 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 10

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

Related info for your journey

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

    The cheapest airlines for a one-way flight from Denmark to Illinois are Icelandair ($320), TAP AIR PORTUGAL ($498), and Finnair ($528).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denmark to Illinois 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 Illinois?

    Currently, September is the cheapest month in which you can book a flight from Denmark to Illinois (average of $232). Flying from Denmark to Illinois in June is currently the most expensive (average of $308). 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 Denmark to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Denmark to Illinois

Discover the top 7 airlines that operate flights from Denmark to Illinois. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$352Average$429FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$400Average$495FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$405Average$510FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$427Average$646FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$430Average$677FlexibilityNo cancel feeOn-time76%
KLMCheapest$463Average$801FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$489Average$610FlexibilityNo cancel feeOn-time77%
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