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$259+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$479
(Flightnetwork)

One-way from

$268
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$480

Good round-trip deal

$549 or less

Good one-way deal

$363 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. 23% potential increase in price ($192 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Flightnetwork deal was found by Cheapflights users on 2/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:30 pmORD - CPH
1 stop19h 15mIcelandair
Fri 4/182:00 pmCPH - ORD
1 stop11h 20mIcelandair
Deal found 2/20$479
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/268:15 pmORD - CPH
1 stop21h 25mTAP AIR PORTUGAL
Tue 4/15:40 pmCPH - ORD
1 stop29h 30mTAP AIR PORTUGAL
Deal found 2/20$522
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/267:30 pmORD - CPH
2 stops14h 45mFinnair
Wed 4/27:45 amCPH - ORD
1 stop17h 05mFinnair
Deal found 2/20$530
This oojo deal was found by Cheapflights users on 2/20. 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 stop31h 05mTurkish Airlines
Thu 9/257:20 pmCPH - ORD
1 stop21h 20mTurkish Airlines
Deal found 2/20$557
This oojo deal was found by Cheapflights users on 2/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/88:30 pmORD - CPH
2 stops30h 30mBritish Airways
Mon 3/176:30 pmCPH - ORD
2 stops29h 24mBritish Airways
Deal found 2/19$563
This Priceline deal was found by Cheapflights users on 2/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:19 pmORD - CPH
2 stops33h 31mAir Canada
Tue 4/812:45 pmCPH - ORD
2 stops29h 02mAir Canada
Deal found 2/20$566
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/105:20 pmORD - CPH
1 stop17h 30mAustrian Airlines
Thu 3/208:05 pmCPH - ORD
1 stop25h 00mAustrian Airlines
Deal found 2/19$577
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2410:25 pmORD - CPH
1 stop18h 25mUnited Airlines
Tue 4/112:35 pmCPH - ORD
1 stop14h 00mUnited Airlines
Deal found 2/20$580
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/98:05 pmORD - CPH
1 stop11h 55mSWISS
Thu 3/209:45 amCPH - ORD
1 stop13h 30mSWISS
Deal found 2/19$581
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/54:25 pmORD - CPH
1 stop17h 10mDelta
Wed 3/199:45 amCPH - ORD
1 stop11h 45mDelta
Deal found 2/19$583
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/245:20 pmORD - CPH
1 stop23h 20mMultiple Airlines
Wed 4/29:40 amCPH - ORD
1 stop13h 15mMultiple Airlines
Deal found 2/20$585
This Lufthansa deal was found by Cheapflights users on 2/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2510:25 pmORD - CPH
1 stop13h 05mLufthansa
Wed 4/212:20 pmCPH - ORD
1 stop14h 35mLufthansa
Deal found 2/20$595

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 February 20, 2025.

Fly from

Illinois

Fly to

Copenhagen

Route

Depart

Return

Price

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 4/1

7:30 pm-9:45 pm

1 stop19h 15m

Kastrup Copenhagen

Fri 4/18

2:00 pm-6:20 pm

1 stop11h 20m

$479

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 3/26

8:15 pm-11:40 pm

1 stop21h 25m

Kastrup Copenhagen

Tue 4/1

5:40 pm-4:10 pm

1 stop29h 30m

$522

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 3/26

7:30 pm-4:15 pm

2 stops14h 45m

Kastrup Copenhagen

Wed 4/2

7:45 am-5:50 pm

1 stop17h 05m

$530

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sat 3/8

8:30 pm-10:00 am

2 stops30h 30m

Kastrup Copenhagen

Mon 3/17

6:30 pm-5:54 pm

2 stops29h 24m

$563

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 4/1

6:19 pm-10:50 am

2 stops33h 31m

Kastrup Copenhagen

Tue 4/8

12:45 pm-10:47 am

2 stops29h 02m

$566

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Thu 3/6

8:30 pm-1:15 pm

1 stop33h 45m

Kastrup Copenhagen

Tue 3/11

2:10 pm-11:10 am

1 stop27h 00m

$571

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 3/10

5:20 pm-4:50 pm

1 stop17h 30m

Kastrup Copenhagen

Thu 3/20

8:05 pm-3:05 pm

1 stop25h 00m

$577

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Mon 3/24

10:25 pm-10:50 pm

1 stop18h 25m

Kastrup Copenhagen

Tue 4/1

12:35 pm-7:35 pm

1 stop14h 00m

$580

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 3/9

8:05 pm-2:00 pm

1 stop11h 55m

Kastrup Copenhagen

Thu 3/20

9:45 am-5:15 pm

1 stop13h 30m

$581

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 3/5

4:25 pm-4:35 pm

1 stop17h 10m

Kastrup Copenhagen

Wed 3/19

9:45 am-3:30 pm

1 stop11h 45m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 45 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 $989). 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 February 20, 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 February 20, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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.

Austrian Airlines
7.6
Good
773 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
1,568 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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?

    $309 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 Air Serbia, with prices starting from $314 and $393, 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 $225. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $475 on average our data indicates $1,068 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 $989). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$378Average$616FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$442Average$725FlexibilityNo cancel feeOn-time77%
FinnairCheapest$476Average$691FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$488Average$652FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$508Average$679FlexibilityNo cancel feeOn-time69%
SWISSCheapest$509Average$626FlexibilityNo cancel feeOn-time79%
KLMCheapest$515Average$805FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$521Average$646FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$530Average$738FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$532Average$675FlexibilityNo cancel feeOn-time70%
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