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$172+ Cheap flights from Illinois to Copenhagen (CPH)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Illinois to Copenhagen

Keep the following information in mind while searching for Illinois to Copenhagen flight deals. Data was last updated September 15, 2025.

Round-trip from

$456
(Scandinavian Airlines)

One-way from

$172
(oojo)

Popular in

June

Cheapest in

February

Average price

$589

Good round-trip deal

$445 or less

Good one-way deal

$373 or less
From Illinois to Kastrup Copenhagen
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One-way flight from Illinois to Kastrup Copenhagen
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Highest demand for flights based on searches. 19% potential increase in price ($150 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 September 2025
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Price to beat on a round-trip flight from Illinois to Kastrup Copenhagen.
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Price to beat on a one-way flight from Illinois to Kastrup Copenhagen.
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Find flight deals from Illinois to Copenhagen

Cheapest flights from Illinois to Copenhagen
Explore the most affordable flight options available from Illinois to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 12/47:10 pmORD - CPH
1 stop28h 50mScandinavian Airlines
Mon 12/82:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 9/15$456
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Tue 12/210:31 amORD - CPH
1 stop13h 29mScandinavian Airlines
Thu 12/112:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 9/15$458
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Thu 12/47:20 pmORD - CPH
Nonstop8h 05mScandinavian Airlines
Sun 12/72:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 9/13$462
This SmartFares deal was found by Cheapflights users on 9/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:20 pmORD - CPH
1 stop29h 50mScandinavian Airlines
Wed 11/192:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 9/13$463
This Gurufare deal was found by Cheapflights users on 9/13. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:25 pmORD - CPH
1 stop10h 35mIcelandair
Thu 10/162:00 pmCPH - ORD
1 stop11h 15mIcelandair
Deal found 9/13$464
This FlightHub deal was found by Cheapflights users on 9/13. 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 12/17:20 pmORD - CPH
Nonstop8h 05mScandinavian Airlines
Wed 12/102:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 9/13$466
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sun 10/510:15 pmORD - CPH
1 stop31h 40mIcelandair
Sun 10/194:45 pmCPH - ORD
1 stop32h 30mIcelandair
Deal found 9/14$467
This oojo deal was found by Cheapflights users on 9/12. 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 11/288:15 pmORD - CPH
1 stop20h 25mTAP AIR PORTUGAL
Tue 12/26:30 pmCPH - ORD
1 stop27h 30mTAP AIR PORTUGAL
Deal found 9/12$468
This oojo deal was found by Cheapflights users on 9/13. 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 10/27:25 pmORD - CPH
1 stop10h 30mIcelandair
Tue 10/1410:35 pmCPH - ORD
1 stop26h 40mIcelandair
Deal found 9/13$471
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 12/37:10 pmORD - CPH
1 stop15h 35mTAP AIR PORTUGAL
Fri 12/126:00 amCPH - ORD
1 stop16h 15mTAP AIR PORTUGAL
Deal found 9/13$472
This oojo deal was found by Cheapflights users on 9/14. 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 10/27:25 pmORD - CPH
1 stop10h 35mIcelandair
Sun 10/194:45 pmCPH - ORD
1 stop32h 30mIcelandair
Deal found 9/14$473
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/67:25 pmORD - CPH
1 stop10h 30mIcelandair
Mon 10/2010:35 pmCPH - ORD
1 stop26h 40mIcelandair
Deal found 9/15$474

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Copenhagen 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 September 15, 2025.
Use the filters below to find and compare flights from Illinois to Copenhagen that are best for you.

Fly from

Illinois

Fly to

Copenhagen

Route

Depart

Return

Price

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sat 10/11

7:25 pm-9:45 pm

1 stop19h 20m

Kastrup Copenhagen

Mon 10/20

10:35 pm-6:15 pm

1 stop26h 40m

$473

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 12/4

7:10 pm-7:00 am

1 stop28h 50m

Kastrup Copenhagen

Thu 12/11

2:30 pm-4:45 pm

Nonstop9h 15m

$486

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 12/4

7:20 pm-10:25 am

Nonstop8h 05m

Kastrup Copenhagen

Wed 12/10

2:30 pm-4:45 pm

Nonstop9h 15m

$495

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 10/7

10:36 am-10:10 am

2 stops16h 34m

Kastrup Copenhagen

Tue 10/21

1:25 pm-9:19 pm

1 stop14h 54m

$496

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 11/12

3:20 pm-9:20 am

1 stop11h 00m

Kastrup Copenhagen

Fri 11/14

6:50 am-2:55 pm

2 stops15h 05m

$518

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sat 2/14

10:40 am-7:10 am

1 stop13h 30m

Kastrup Copenhagen

Sun 2/22

12:50 pm-5:37 pm

2 stops35h 47m

$520

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sat 11/29

7:20 pm-10:25 am

Nonstop8h 05m

Kastrup Copenhagen

Sat 12/6

2:30 pm-4:45 pm

Nonstop9h 15m

$525

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 11/30

7:20 pm-10:25 am

Nonstop8h 05m

Kastrup Copenhagen

Mon 12/8

2:30 pm-4:45 pm

Nonstop9h 15m

$525

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 11/19

9:50 pm-5:35 pm

1 stop12h 45m

Kastrup Copenhagen

Tue 11/25

6:50 am-8:00 pm

2 stops20h 10m

$526

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 11/2

6:50 pm-2:00 pm

1 stop12h 10m

Kastrup Copenhagen

Sun 11/16

6:50 am-11:18 am

2 stops35h 28m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 54 results
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Best time to book a flight from Illinois to Copenhagen

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Copenhagen (average of $523). Flying from Illinois to Copenhagen in June is currently the most expensive (average of $911). 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 IL to CPH?

Find hourly flight availability from Illinois to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Copenhagen as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Copenhagen from Illinois?

    For a flight from Illinois to Copenhagen, you will be flying into Kastrup Copenhagen. Kastrup Copenhagen (CPH) is just 5.0 mi from the center of the city.

  • How long is the flight from Illinois to Copenhagen?

    For as low as $518, Icelandair can have you in Copenhagen from Illinois in 11h. Illinois and Copenhagen are separated by a distance of 4256 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 Illinois to Copenhagen?

    While some choose either Chicago Midway - Kastrup Copenhagen or Lambert-St Louis - Kastrup Copenhagen, Chicago O'Hare Intl - Kastrup Copenhagen is the most popular route from Illinois to Copenhagen.

  • What are the most reliable airlines from Illinois to Copenhagen?

    Consider Air France (100%), Scandinavian Airlines (87%) or Delta (87%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Copenhagen.

  • What are the cheapest flights from Illinois to Copenhagen?

    Looking at all options, your cheapest flight can be booked for $343. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $402 on average, our data indicates $1,448 when flying from Illinois to Copenhagen.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Copenhagen (average of $523). Flying from Illinois to Copenhagen in June is currently the most expensive (average of $911). 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

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

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Alternative routes for Illinois to Copenhagen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Copenhagen

Discover the top 10 airlines that operate flights from Illinois to Copenhagen. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$396Average$624FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$435Average$757FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$471Average$1,306FlexibilityNo cancel feeOn-time76%
FinnairCheapest$476Average$696FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$489Average$718FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$511Average$683FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$531Average$658FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$533Average$703FlexibilityNo cancel feeOn-time67%
SWISSCheapest$560Average$821FlexibilityNo cancel feeOn-time79%
DeltaCheapest$611Average$746FlexibilityNo cancel feeOn-timeN/A

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