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$273+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Copenhagen (CPH). 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 January 21, 2025.

Round-trip from

$432
(Ticket)

One-way from

$281
(Kiwi.com)

Good round-trip deal

$486 or less

Good one-way deal

$263 or less
From Illinois to Kastrup Copenhagen
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One-way flight from Illinois to Kastrup Copenhagen
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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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/20. 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.
Mon 3/36:30 pmORD - CPH
1 stop18h 20mIcelandair
Mon 3/1012:55 pmCPH - ORD
1 stop11h 25mIcelandair
Deal found 1/20$431
This oojo deal was found by Cheapflights users on 1/21. 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.
Fri 1/318:20 pmORD - CPH
1 stop20h 20mTAP AIR PORTUGAL
Fri 2/76:00 amCPH - ORD
1 stop16h 30mTAP AIR PORTUGAL
Deal found 1/21$500
This Finnair deal was found by Cheapflights users on 1/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/29:30 pmORD - CPH
1 stop11h 45mFinnair
Wed 4/97:45 amCPH - ORD
1 stop17h 05mFinnair
Deal found 1/19$524
This Finnair deal was found by Cheapflights users on 1/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/167:30 pmORD - CPH
1 stop12h 00mMultiple Airlines
Tue 3/2510:30 amCPH - ORD
1 stop15h 15mMultiple Airlines
Deal found 1/21$536
This Flightsearch deal was found by Cheapflights users on 1/20. 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/175:00 pmORD - CPH
1 stop13h 10mBritish Airways
Mon 2/248:20 pmCPH - ORD
2 stops25h 10mBritish Airways
Deal found 1/20$538
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:45 pmORD - CPH
1 stop16h 50mTurkish Airlines
Thu 9/256:25 amCPH - ORD
1 stop18h 30mTurkish Airlines
Deal found 1/20$557
This Flightnetwork deal was found by Cheapflights users on 1/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/111:04 pmORD - CPH
1 stop14h 01mAir Canada
Tue 3/256:55 amCPH - ORD
2 stops19h 00mAir Canada
Deal found 1/21$560
This Delta deal was found by Cheapflights users on 1/21. 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 2/111:40 pmORD - CPH
2 stops18h 00mDelta
Tue 2/252:10 pmCPH - ORD
1 stop31h 20mDelta
Deal found 1/21$563
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 3/411:04 amORD - CPH
1 stop16h 01mUnited Airlines
Tue 3/116:55 amCPH - ORD
2 stops17h 50mUnited Airlines
Deal found 1/19$566
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/116:15 pmORD - CPH
2 stops13h 20mKLM
Tue 3/259:45 pmCPH - ORD
1 stop23h 45mKLM
Deal found 1/21$568
This Delta deal was found by Cheapflights users on 1/21. 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 3/42:08 pmMDW - CPH
2 stops17h 32mDelta
Tue 3/116:00 amCPH - MDW
2 stops18h 18mDelta
Deal found 1/21$573
This Virgin Atlantic deal was found by Cheapflights users on 1/20. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:30 amORD - CPH
1 stop16h 25mVirgin Atlantic
Tue 6/39:00 amCPH - ORD
1 stop15h 40mVirgin Atlantic
Deal found 1/20$585

Find flights from Illinois to Copenhagen within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 2/17

6:30 pm-7:50 pm

1 stop18h 20m

Kastrup Copenhagen

Mon 2/24

8:50 pm-5:20 pm

1 stop27h 30m

$432

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Fri 1/31

8:20 pm-11:40 pm

1 stop20h 20m

Kastrup Copenhagen

Fri 2/7

6:00 am-3:30 pm

1 stop16h 30m

$500

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 3/4

4:00 pm-10:05 am

1 stop11h 05m

Kastrup Copenhagen

Tue 3/11

6:55 am-6:45 pm

2 stops17h 50m

$510

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 3/26

5:22 pm-11:40 pm

2 stops24h 18m

Kastrup Copenhagen

Mon 3/31

6:00 am-7:44 am

2 stops32h 44m

$517

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 3/23

11:42 am-11:20 am

2 stops17h 38m

Kastrup Copenhagen

Tue 4/1

1:15 pm-5:50 pm

1 stop11h 35m

$534

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 2/11

1:40 pm-2:40 pm

2 stops18h 00m

Kastrup Copenhagen

Tue 2/25

2:10 pm-2:30 pm

1 stop31h 20m

$563

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 3/4

2:05 pm-10:05 am

1 stop13h 00m

Kastrup Copenhagen

Tue 3/11

6:55 am-6:45 pm

2 stops17h 50m

$566

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 3/11

6:15 pm-1:35 pm

2 stops13h 20m

Kastrup Copenhagen

Tue 3/25

12:05 pm-8:44 pm

2 stops14h 39m

$572

ChicagoCopenhagen

MDW - CPH

MDWCPH

Chicago Midway

Tue 3/4

2:08 pm-2:40 pm

2 stops17h 32m

Kastrup Copenhagen

Tue 3/11

6:00 am-6:18 pm

2 stops18h 18m

$573

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 3/25

1:00 pm-4:50 pm

2 stops21h 50m

Kastrup Copenhagen

Tue 4/1

7:00 am-1:20 pm

1 stop13h 20m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 47 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.

Travel insights for flights from Illinois to Copenhagen

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

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 $1,003). 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 January 21, 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 January 21, 2025.
Read reviews from past customers who have flown Air Canada, Turkish Airlines and Delta 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
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 10

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?

    $287 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and British Airways, with prices starting from $343 and $408, 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 $207. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $409 on average our data indicates $1,039 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 $1,003). 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.

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$377Average$611FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$438Average$709FlexibilityNo cancel feeOn-time77%
FinnairCheapest$476Average$691FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$488Average$768FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$503Average$654FlexibilityNo cancel feeOn-time69%
SWISSCheapest$509Average$626FlexibilityNo cancel feeOn-time79%
KLMCheapest$515Average$805FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$521Average$636FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$530Average$738FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$532Average$675FlexibilityNo cancel feeOn-time70%
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