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$222+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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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 November 4, 2025.

This oojo deal was found by Cheapflights users on 11/3. 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 11/197:10 pmORD - CPH
1 stop21h 30mTAP AIR PORTUGAL
Fri 12/56:00 amCPH - ORD
1 stop16h 25mTAP AIR PORTUGAL
Deal found 11/3$454
This CrystalTravel deal was found by Cheapflights users on 11/3. 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 CrystalTravel 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
Sat 12/132:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 11/3$465
This Scandinavian Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 12/287:20 pmORD - CPH
Nonstop8h 05mScandinavian Airlines
Thu 1/82:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 11/3$469
This FlightHub deal was found by Cheapflights users on 11/3. 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.
Wed 11/197:10 pmORD - CPH
1 stop15h 35mTAP AIR PORTUGAL
Tue 11/256:30 pmCPH - ORD
1 stop27h 30mTAP AIR PORTUGAL
Deal found 11/3$471
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Wed 12/37:20 pmORD - CPH
Nonstop8h 05mScandinavian Airlines
Mon 12/152:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 11/3$474
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:36 amORD - CPH
2 stops16h 59mScandinavian Airlines
Fri 12/122:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 11/3$481
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:30 pmORD - CPH
1 stop27h 45mIcelandair
Thu 1/812:55 pmCPH - ORD
1 stop11h 25mIcelandair
Deal found 11/3$489
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Fri 12/57:10 amORD - CPH
1 stop16h 50mScandinavian Airlines
Tue 12/912:55 pmCPH - ORD
1 stop15h 44mScandinavian Airlines
Deal found 11/3$490
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Tue 12/29:50 pmORD - CPH
1 stop12h 45mLufthansa
Sun 12/142:30 pmCPH - ORD
1 stop12h 35mLufthansa
Deal found 11/3$491
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 11/309:50 pmORD - CPH
1 stop18h 15mLufthansa
Sun 12/76:50 amCPH - ORD
1 stop20h 15mLufthansa
Deal found 11/2$493
This Delta deal was found by Cheapflights users on 11/1. 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 12/21:14 pmMDW - CPH
2 stops16h 56mDelta
Tue 12/99:55 amCPH - MDW
2 stops15h 23mDelta
Deal found 11/1$541
This Delta deal was found by Cheapflights users on 11/2. 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.
Wed 12/245:13 pmSTL - CPH
2 stops19h 37mDelta
Tue 1/138:10 amCPH - STL
2 stops19h 35mDelta
Deal found 11/2$543

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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$453
(oojo)

One-way from

$222
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$537

Good round-trip deal

$521 or less

Good one-way deal

$379 or less
Provider with most accurate pricing for Chicago (CHI)-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Kastrup Copenhagen flights.
Search Deals
From Illinois to Kastrup Copenhagen
Search Deals
One-way flight from Illinois to Kastrup Copenhagen
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Kastrup Copenhagen.
Search Deals
Price to beat on a one-way flight from Illinois to Kastrup Copenhagen.
Search Deals

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 November 4, 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

Fri 2/13

7:20 pm-10:25 am

Nonstop8h 05m

Kastrup Copenhagen

Sat 2/21

2:30 pm-4:45 pm

Nonstop9h 15m

$461

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 1/15

7:20 pm-10:25 am

Nonstop8h 05m

Kastrup Copenhagen

Mon 1/19

2:30 pm-4:45 pm

Nonstop9h 15m

$461

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 4/29

7:30 am-9:15 am

2 stops18h 45m

Kastrup Copenhagen

Mon 5/11

1:55 pm-4:10 pm

Nonstop9h 15m

$467

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 1/15

6:30 pm-7:50 pm

1 stop18h 20m

Kastrup Copenhagen

Mon 1/19

12:55 pm-5:20 pm

1 stop11h 25m

$472

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 1/12

6:30 pm-11:45 am

1 stop10h 15m

Kastrup Copenhagen

Mon 1/19

12:55 pm-5:20 pm

1 stop11h 25m

$472

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 12/7

7:10 am-7:00 am

1 stop16h 50m

Kastrup Copenhagen

Fri 12/12

2:30 pm-4:45 pm

Nonstop9h 15m

$507

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 12/11

6:30 pm-11:45 am

1 stop10h 15m

Kastrup Copenhagen

Tue 12/23

12:55 pm-5:20 pm

1 stop11h 25m

$520

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sat 11/29

9:50 pm-11:05 pm

1 stop18h 15m

Kastrup Copenhagen

Sat 12/6

6:50 am-2:55 pm

2 stops15h 05m

$538

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 3/11

10:50 pm-5:35 pm

1 stop12h 45m

Kastrup Copenhagen

Mon 3/16

6:55 am-8:00 am

2 stops31h 05m

$539

ChicagoCopenhagen

MDW - CPH

MDWCPH

Chicago Midway

Tue 12/2

1:14 pm-1:10 pm

2 stops16h 56m

Kastrup Copenhagen

Tue 12/9

9:55 am-6:18 pm

2 stops15h 23m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 48 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, February is the cheapest month in which you can book a flight from Illinois to Copenhagen (average of $373). Flying from Illinois to Copenhagen in June is currently the most expensive (average of $634). 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 November 4, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 29% on flights from Illinois to Copenhagen by exploring options for tickets in the evening.

What is the cheapest day to fly from Illinois to Copenhagen?

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

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

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 $461, Scandinavian Airlines can have you in Copenhagen from Illinois in 8h 05m. 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 cheapest airlines to fly from Illinois to Copenhagen one-way?

    $222 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 Delta and Austrian Airlines, with prices starting from $423 and $465, respectively.

  • 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 (83%), Scandinavian Airlines (83%) or Delta (83%) 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 $370. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $363 on average, our data indicates $1,267 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, February is the cheapest month in which you can book a flight from Illinois to Copenhagen (average of $373). Flying from Illinois to Copenhagen in June is currently the most expensive (average of $634). 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

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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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$410Average$622FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$441Average$772FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$471Average$714FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$489Average$731FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$508Average$667FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$540Average$705FlexibilityNo cancel feeOn-time67%
SWISSCheapest$554Average$756FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$560Average$680FlexibilityNo cancel feeOn-time69%
FinnairCheapest$576Average$720FlexibilityNo cancel feeOn-time76%
DeltaCheapest$611Average$746FlexibilityNo cancel feeOn-timeN/A

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