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$346+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$567
(oojo)

One-way from

$347
(oojo)

Popular in

June

Cheapest in

February

Average price

$569

Good round-trip deal

$549 or less

Good one-way deal

$346 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. 19% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 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 22, 2025.

This oojo deal was found by Cheapflights users on 4/22. 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.
Tue 9/237:25 pmORD - CPH
1 stop10h 30mIcelandair
Sat 10/44:45 pmCPH - ORD
1 stop32h 30mIcelandair
Deal found 4/22$567
This United Airlines deal was found by Cheapflights users on 4/22. 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 10/2212:00 pmORD - CPH
2 stops15h 50mUnited Airlines
Wed 11/512:15 pmCPH - ORD
1 stop14h 17mUnited Airlines
Deal found 4/22$577
This Priceline deal was found by Cheapflights users on 4/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:40 amORD - CPH
2 stops19h 10mMultiple Airlines
Mon 11/37:55 pmCPH - ORD
1 stop27h 20mMultiple Airlines
Deal found 4/21$585
This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:40 amORD - CPH
2 stops17h 15mAir Canada
Tue 11/46:55 amCPH - ORD
2 stops14h 50mAir Canada
Deal found 4/21$591
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:15 pmORD - CPH
Nonstop8h 30mScandinavian Airlines
Mon 11/32:30 pmCPH - ORD
Nonstop9h 15mScandinavian Airlines
Deal found 4/21$593
This Air Serbia deal was found by Cheapflights users on 4/21. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:40 pmORD - CPH
1 stop31h 10mAir Serbia
Sat 11/299:35 amCPH - ORD
1 stop14h 05mAir Serbia
Deal found 4/21$594
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/66:35 pmORD - CPH
1 stop12h 40mSWISS
Wed 5/149:40 amCPH - ORD
1 stop13h 15mSWISS
Deal found 4/22$625
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:25 pmMDW - CPH
2 stops14h 20mDelta
Wed 5/219:00 amCPH - MDW
2 stops19h 27mDelta
Deal found 4/21$637
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Wed 4/235:45 pmORD - CPH
1 stop19h 20mAmerican Airlines
Wed 4/307:20 amCPH - ORD
1 stop16h 40mAmerican Airlines
Deal found 4/22$659
This British Airways deal was found by Cheapflights users on 4/22. 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 4/238:20 pmORD - CPH
1 stop16h 45mBritish Airways
Mon 4/289:45 pmCPH - ORD
1 stop24h 00mBritish Airways
Deal found 4/22$661
This Delta deal was found by Cheapflights users on 4/22. 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 4/2312:15 pmORD - CPH
2 stops15h 25mDelta
Tue 4/299:00 amCPH - ORD
1 stop15h 55mDelta
Deal found 4/22$663
This Turkish Airlines deal was found by Cheapflights users on 4/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:45 pmORD - CPH
1 stop35h 40mTurkish Airlines
Mon 9/2210:25 amCPH - ORD
1 stop18h 35mTurkish Airlines
Deal found 4/20$669

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 22, 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

Tue 9/23

7:25 pm-12:55 pm

1 stop10h 30m

Kastrup Copenhagen

Sat 10/4

4:45 pm-6:15 pm

1 stop32h 30m

$567

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 9/14

8:00 am-7:10 am

2 stops16h 10m

Kastrup Copenhagen

Wed 9/24

12:20 pm-8:11 pm

1 stop14h 51m

$599

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 5/12

3:50 pm-10:50 am

1 stop12h 00m

Kastrup Copenhagen

Mon 5/26

8:10 pm-12:10 pm

1 stop23h 00m

$603

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 5/5

8:40 am-10:50 am

2 stops19h 10m

Kastrup Copenhagen

Fri 5/16

12:50 pm-7:30 pm

1 stop13h 40m

$607

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 5/6

6:35 pm-2:15 pm

1 stop12h 40m

Kastrup Copenhagen

Wed 5/14

9:40 am-3:55 pm

1 stop13h 15m

$625

ChicagoCopenhagen

MDW - CPH

MDWCPH

Chicago Midway

Tue 5/13

6:25 pm-3:45 pm

2 stops14h 20m

Kastrup Copenhagen

Wed 5/21

9:00 am-9:27 pm

2 stops19h 27m

$637

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 9/15

11:45 pm-6:25 pm

1 stop35h 40m

Kastrup Copenhagen

Mon 9/22

10:25 am-10:00 pm

1 stop18h 35m

$669

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sat 10/18

6:50 pm-7:05 am

1 stop29h 15m

Kastrup Copenhagen

Sat 11/1

2:30 pm-5:45 pm

Nonstop9h 15m

$672

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 8/11

6:10 pm-4:50 pm

1 stop15h 40m

Kastrup Copenhagen

Sat 8/16

5:40 pm-4:15 pm

1 stop29h 35m

$681

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Fri 9/19

2:09 pm-11:15 am

2 stops14h 06m

Kastrup Copenhagen

Fri 10/3

2:00 pm-9:30 pm

2 stops14h 30m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 39 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 22, 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 22, 2025.
Read reviews from past customers who have flown Delta, KLM and SWISS 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
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

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
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

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
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

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.
Air France
7.4
Good
1,441 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

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.
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

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?

    $347 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 Delta, with prices starting from $352 and $439, 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 $215. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $498 on average our data indicates $1,280 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$378Average$630FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$439Average$717FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$488Average$652FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$498Average$676FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$508Average$680FlexibilityNo cancel feeOn-time69%
SWISSCheapest$509Average$827FlexibilityNo cancel feeOn-time79%
KLMCheapest$515Average$736FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$521Average$641FlexibilityNo cancel feeOn-time67%
FinnairCheapest$570Average$705FlexibilityNo cancel feeOn-time76%
DeltaCheapest$570Average$686FlexibilityNo cancel feeOn-timeN/A

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