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$228+ 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
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/176:30 pm
ORD
-
CPH
1 stop10h 15m
Icelandair
Wed 2/2512:55 pm
CPH
-
ORD
1 stop11h 25m
Icelandair
Deal found 2/3$472
This KAYAK deal was found by Cheapflights users on 2/4. 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.
Tue 3/247:30 pm
ORD
-
CPH
1 stop10h 15m
Icelandair
Wed 4/152:00 pm
CPH
-
ORD
1 stop11h 15m
Icelandair
Deal found 2/4$475
This KAYAK deal was found by Cheapflights users on 2/3. 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 2/166:30 pm
ORD
-
CPH
1 stop27h 50m
Icelandair
Wed 2/2512:55 pm
CPH
-
ORD
1 stop11h 25m
Icelandair
Deal found 2/3$477
This oojo deal was found by Cheapflights users on 2/3. 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.
Sun 4/196:00 pm
ORD
-
CPH
1 stop15h 50m
TAP AIR PORTUGAL
Tue 5/55:40 pm
CPH
-
ORD
1 stop29h 20m
TAP AIR PORTUGAL
Deal found 2/3$478
This Ticket deal was found by Cheapflights users on 2/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:20 pm
ORD
-
CPH
Nonstop8h 05m
Scandinavian Airlines
Wed 3/112:30 pm
CPH
-
ORD
Nonstop9h 15m
Scandinavian Airlines
Deal found 2/3$479
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Wed 2/187:10 pm
ORD
-
CPH
1 stop33h 40m
TAP AIR PORTUGAL
Thu 2/266:35 pm
CPH
-
ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/3$480
This oojo deal was found by Cheapflights users on 2/3. 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.
Tue 10/137:25 pm
ORD
-
CPH
1 stop10h 30m
Icelandair
Tue 10/2010:35 pm
CPH
-
ORD
1 stop26h 40m
Icelandair
Deal found 2/3$481
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:25 pm
ORD
-
CPH
1 stop13h 30m
Icelandair
Sat 4/252:00 pm
CPH
-
ORD
1 stop11h 15m
Icelandair
Deal found 2/2$482
This oojo deal was found by Cheapflights users on 2/4. 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 3/237:30 pm
ORD
-
CPH
1 stop10h 15m
Icelandair
Sun 4/1210:35 pm
CPH
-
ORD
1 stop26h 40m
Icelandair
Deal found 2/4$483
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:25 pm
ORD
-
CPH
1 stop19h 20m
Icelandair
Sun 4/1210:35 pm
CPH
-
ORD
1 stop26h 40m
Icelandair
Deal found 2/2$484
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Sun 2/156:30 pm
ORD
-
CPH
1 stop18h 20m
Icelandair
Tue 2/2412:55 pm
CPH
-
ORD
1 stop11h 25m
Icelandair
Deal found 2/3$486
This oojo deal was found by Cheapflights users on 2/3. 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 9/237:25 pm
ORD
-
CPH
1 stop10h 30m
Icelandair
Wed 10/74:55 pm
CPH
-
ORD
1 stop11h 30m
Icelandair
Deal found 2/3$487

Find 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 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$472
(Kiwi.com)

One-way from

$228
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$513

Good round-trip deal

$499 or less

Good one-way deal

$372 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 ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 5, 2026.
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 5/8

7:25 pm-12:55 pm

1 stop10h 30m

Kastrup Copenhagen

Sat 5/16

2:00 pm-6:15 pm

1 stop11h 15m

$518

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Wed 3/25

2:10 pm-1:10 pm

2 stops17h 00m

Kastrup Copenhagen

Thu 4/9

6:00 am-2:15 pm

1 stop15h 15m

$536

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 4/21

1:36 pm-1:20 pm

2 stops16h 44m

Kastrup Copenhagen

Thu 4/30

9:00 am-5:41 pm

1 stop15h 41m

$537

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 3/17

6:20 pm-4:05 pm

1 stop15h 45m

Kastrup Copenhagen

Tue 4/7

9:00 am-5:10 pm

1 stop15h 10m

$539

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 3/29

9:15 pm-10:50 am

1 stop30h 35m

Kastrup Copenhagen

Thu 4/9

10:10 am-7:55 pm

1 stop16h 45m

$541

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 3/29

9:15 pm-10:50 am

1 stop30h 35m

Kastrup Copenhagen

Tue 4/14

10:10 am-2:50 pm

1 stop11h 40m

$541

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 3/22

10:50 pm-11:05 pm

1 stop18h 15m

Kastrup Copenhagen

Thu 4/9

10:10 am-2:50 pm

1 stop11h 40m

$541

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Tue 2/17

10:36 am-9:20 am

2 stops15h 44m

Kastrup Copenhagen

Tue 2/24

2:15 pm-2:20 pm

1 stop31h 05m

$545

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 4/19

7:00 am-6:45 am

2 stops16h 45m

Kastrup Copenhagen

Tue 4/28

9:25 am-2:15 pm

1 stop11h 50m

$545

ChicagoCopenhagen

ORD - CPH

ORDCPH

Chicago O'Hare Intl

Sun 2/15

9:50 pm-5:35 pm

1 stop12h 45m

Kastrup Copenhagen

Sun 2/22

8:55 am-2:10 pm

1 stop12h 15m

$546

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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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, January is the cheapest month in which you can book a flight from Illinois to Copenhagen (average of $420). Flying from Illinois to Copenhagen in June is currently the most expensive (average of $643). 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 5, 2026.

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.

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 $518, Icelandair can have you in Copenhagen from Illinois in 10h 30m. 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?

    $155 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 SWISS, with prices starting from $200 and $271, 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 (62%), Scandinavian Airlines (62%) or Delta (62%) 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 $362. While the most popular route (Chicago O'Hare Intl - Kastrup Copenhagen) can be booked for $402 on average, our data indicates $1,331 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, January is the cheapest month in which you can book a flight from Illinois to Copenhagen (average of $420). Flying from Illinois to Copenhagen in June is currently the most expensive (average of $643). 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

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 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$422Average$600FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$453Average$771FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$489Average$766FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$508Average$688FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$514Average$714FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$540Average$655FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$541Average$705FlexibilityNo cancel feeOn-time67%
SWISSCheapest$548Average$741FlexibilityNo cancel feeOn-time79%
FinnairCheapest$576Average$746FlexibilityNo cancel feeOn-time76%
KLMCheapest$596Average$736FlexibilityNo cancel feeOn-time75%

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