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$344+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$531
(Ticket)

One-way from

$344
(oojo)

Popular in

June

Cheapest in

February

Average price

$575

Good round-trip deal

$576 or less

Good one-way deal

$366 or less
Provider with most accurate pricing for Chicago (CHI)-Kastrup Copenhagen flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Kastrup Copenhagen flights.
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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. 21% potential increase in price ($175 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 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 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 April 3, 2025.

This Ticket deal was found by Cheapflights users on 4/1. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/137:15 pmORD - CPH
Nonstop8h 30mScandinavian Airlines
Mon 4/211:55 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 4/1$531
This Flightnetwork deal was found by Cheapflights users on 4/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:15 pmORD - CPH
1 stop16h 30mIcelandair
Wed 5/142:00 pmCPH - ORD
1 stop14h 15mIcelandair
Deal found 4/2$532
This AirNGo deal was found by Cheapflights users on 4/2. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:45 amORD - CPH
1 stop15h 20mAir Canada
Sun 1/1112:15 pmCPH - ORD
1 stop14h 17mAir Canada
Deal found 4/2$560
This FlightHub deal was found by Cheapflights users on 4/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/24:41 pmORD - CPH
1 stop11h 44mMultiple Airlines
Mon 4/78:10 pmCPH - ORD
1 stop26h 45mMultiple Airlines
Deal found 4/1$580
This StudentUniverse deal was found by Cheapflights users on 4/2. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:35 pmORD - CPH
1 stop13h 40mFinnair
Tue 9/168:50 amCPH - ORD
2 stops17h 46mFinnair
Deal found 4/2$586
This Virgin Atlantic deal was found by Cheapflights users on 4/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:00 amORD - CPH
1 stop16h 30mVirgin Atlantic
Wed 5/219:00 amCPH - ORD
1 stop15h 29mVirgin Atlantic
Deal found 4/2$590
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:55 pmORD - CPH
1 stop16h 35mUnited Airlines
Sun 1/1112:15 pmCPH - ORD
2 stops32h 57mUnited Airlines
Deal found 4/2$596
This Delta deal was found by Cheapflights users on 4/1. 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.
Wed 4/27:00 amORD - CPH
2 stops28h 45mDelta
Mon 4/711:50 amCPH - ORD
1 stop33h 50mDelta
Deal found 4/1$601
This Iberia deal was found by Cheapflights users on 4/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/94:55 pmORD - CPH
1 stop11h 15mBritish Airways
Wed 4/167:20 amCPH - ORD
1 stop13h 30mBritish Airways
Deal found 4/2$606
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:25 pmMDW - CPH
2 stops15h 40mDelta
Wed 5/149:00 amCPH - MDW
2 stops19h 28mDelta
Deal found 4/3$612
This Flightsearch deal was found by Cheapflights users on 4/2. 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:35 pmORD - CPH
1 stop17h 45mSWISS
Mon 4/218:10 pmCPH - ORD
1 stop23h 00mSWISS
Deal found 4/2$633
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:27 pmSTL - CPH
2 stops20h 28mBritish Airways
Mon 8/189:45 pmCPH - STL
2 stops25h 23mBritish Airways
Deal found 4/1$638

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 April 3, 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

Sun 4/13

7:15 pm-10:45 am

Nonstop8h 30m

Kastrup Copenhagen

Mon 4/21

1:55 pm-4:10 pm

Nonstop9h 15m

$531

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 5/7

10:15 pm-9:45 pm

1 stop16h 30m

Kastrup Copenhagen

Wed 5/14

2:00 pm-9:15 pm

1 stop14h 15m

$532

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 4/29

9:30 pm-6:40 pm

1 stop14h 10m

Kastrup Copenhagen

Tue 5/13

1:15 pm-5:50 pm

1 stop11h 35m

$580

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 5/12

7:00 am-6:30 am

1 stop16h 30m

Kastrup Copenhagen

Wed 5/21

9:00 am-5:29 pm

1 stop15h 29m

$590

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 4/13

5:10 pm-5:05 pm

1 stop16h 55m

Kastrup Copenhagen

Mon 4/21

3:35 pm-2:40 pm

1 stop30h 05m

$606

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 9/17

2:00 pm-1:10 pm

2 stops16h 10m

Kastrup Copenhagen

Tue 9/23

9:00 am-5:36 pm

1 stop15h 36m

$609

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 4/22

10:20 pm-11:20 pm

1 stop18h 00m

Kastrup Copenhagen

Tue 4/29

9:45 pm-11:45 am

1 stop21h 00m

$610

ChicagoCopenhagen

MDW - CPH

MDWCPH

Chicago Midway

Wed 5/7

6:25 pm-5:05 pm

2 stops15h 40m

Kastrup Copenhagen

Wed 5/14

9:00 am-9:28 pm

2 stops19h 28m

$612

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 4/13

9:05 pm-11:25 am

1 stop31h 20m

Kastrup Copenhagen

Mon 4/21

9:35 am-2:55 pm

2 stops36h 20m

$630

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 4/13

6:35 pm-7:20 pm

1 stop17h 45m

Kastrup Copenhagen

Mon 4/21

8:10 pm-12:10 pm

1 stop23h 00m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 50 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 $953). 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 April 3, 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.

Rainfall in Copenhagen by month

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

In terms of precipitation, rainfall in Copenhagen ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Copenhagen when rainfall is around 0.8 in.

Temperature in Copenhagen by month

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

If weather is an important factor for your trip to Copenhagen, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Copenhagen

Get insights into the airlines that provide service to Copenhagen. 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 Copenhagen. Reviews last updated April 3, 2025.
Read reviews from past customers who have flown Delta, KLM and LOT from Illinois to Copenhagen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,574 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Illinois to Copenhagen one-way?

    $344 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 Virgin Atlantic, with prices starting from $345 and $460, 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 cheapest flights from Illinois to Copenhagen?

    Looking at all options, your cheapest flight can be booked for $244. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $489 on average our data indicates $1,442 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 $953). 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 Illinois?

Book flights to Illinois 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$378Average$625FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$438Average$715FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$488Average$652FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$508Average$672FlexibilityNo cancel feeOn-time69%
SWISSCheapest$509Average$675FlexibilityNo cancel feeOn-time79%
KLMCheapest$515Average$784FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$521Average$649FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$532Average$678FlexibilityNo cancel feeOn-time70%
FinnairCheapest$570Average$691FlexibilityNo cancel feeOn-time76%
DeltaCheapest$570Average$779FlexibilityNo cancel feeOn-timeN/A

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