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$327+ Cheap flights from Copenhagen (CPH) to Illinois

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Copenhagen to Illinois

Cheapest flights from Copenhagen to Illinois
Explore the most affordable flight options available from Copenhagen to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This flygcity.se deal was found by Cheapflights users on 12/17. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:30 amCPH - ORD
1 stop13h 30mBritish Airways
Mon 1/54:11 pmORD - CPH
2 stops15h 39mBritish Airways
Deal found 12/17$697
This AOBTravel deal was found by Cheapflights users on 12/16. 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 AOBTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:05 pmCPH - ORD
1 stop14h 00mMultiple Airlines
Mon 1/53:45 pmORD - CPH
2 stops34h 15mMultiple Airlines
Deal found 12/16$706
This ResecentrumGruppen deal was found by Cheapflights users on 12/17. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:55 amCPH - ORD
1 stop11h 25mKLM
Mon 1/54:25 pmORD - CPH
1 stop11h 50mKLM
Deal found 12/17$713
This ResecentrumGruppen deal was found by Cheapflights users on 12/16. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:30 pmCPH - ORD
1 stop26h 50mIcelandair
Mon 1/56:30 pmORD - CPH
1 stop27h 50mIcelandair
Deal found 12/16$727
This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:55 pmCPH - ORD
1 stop27h 25mMultiple Airlines
Sat 1/36:00 pmORD - CPH
1 stop31h 15mMultiple Airlines
Deal found 12/17$752
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/176:55 amCPH - STL
2 stops21h 45mUnited Airlines
Thu 1/19:55 amSTL - CPH
2 stops24h 35mUnited Airlines
Deal found 12/16$793
This Flysmarter deal was found by Cheapflights users on 12/16. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:55 amCPH - ORD
2 stops20h 51mMultiple Airlines
Wed 12/316:50 pmORD - CPH
1 stop12h 15mMultiple Airlines
Deal found 12/16$827
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Tue 12/237:00 pmCPH - ORD
1 stop32h 05mLufthansa
Sat 1/36:25 pmORD - CPH
1 stop31h 55mLufthansa
Deal found 12/17$828
This Flysmarter deal was found by Cheapflights users on 12/16. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:55 amCPH - ORD
2 stops17h 15mAir Canada
Wed 12/313:55 pmORD - CPH
2 stops13h 30mAir Canada
Deal found 12/16$838
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/176:55 amCPH - STL
2 stops36h 32mUnited Airlines
Sat 1/36:35 pmSTL - CPH
2 stops33h 50mUnited Airlines
Deal found 12/16$876
This Delta deal was found by Cheapflights users on 12/16. 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 12/1710:15 amCPH - STL
2 stops18h 42mDelta
Sat 1/37:00 amSTL - CPH
1 stop20h 40mDelta
Deal found 12/16$1,446
This Air Canada deal was found by Cheapflights users on 12/17. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:20 pmCPH - STL
3 stops29h 07mAir Canada
Thu 1/14:05 pmSTL - CPH
2 stops19h 15mAir Canada
Deal found 12/17$2,123

Find flight deals from Copenhagen to Illinois

Keep the following information in mind while searching for Copenhagen to Illinois flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$473
(Mytrip)

One-way from

$327
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$653

Good round-trip deal

$536 or less

Good one-way deal

$767 or less
Provider with most accurate pricing for Kastrup Copenhagen-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kastrup Copenhagen-Chicago (CHI) flights.
Search Deals
From Kastrup Copenhagen to Illinois
Search Deals
One-way flight from Kastrup Copenhagen to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Kastrup Copenhagen to Illinois.
Search Deals
Price to beat on a one-way flight from Kastrup Copenhagen to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Copenhagen to Illinois 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 December 18, 2025.
Use the filters below to find and compare flights from Copenhagen to Illinois that are best for you.

Fly from

Copenhagen

Fly to

Illinois

Route

Depart

Return

Price

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Thu 1/15

8:50 pm-5:20 pm

1 stop27h 30m

Chicago O'Hare Intl

Wed 1/28

6:30 pm-7:50 pm

1 stop18h 20m

$477

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Thu 4/23

2:00 pm-6:15 pm

1 stop11h 15m

Chicago O'Hare Intl

Sun 4/26

7:25 pm-4:15 pm

1 stop13h 50m

$485

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Sat 1/17

2:30 pm-4:45 pm

Nonstop9h 15m

Chicago O'Hare Intl

Fri 1/30

7:10 pm-10:25 am

Nonstop8h 15m

$486

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Thu 1/15

2:30 pm-4:45 pm

Nonstop9h 15m

Chicago O'Hare Intl

Wed 1/28

7:20 pm-10:25 am

Nonstop8h 05m

$489

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Tue 3/10

12:55 pm-6:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Mon 3/30

7:25 pm-9:45 pm

1 stop19h 20m

$510

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Wed 3/11

12:55 pm-6:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Fri 4/3

7:25 pm-12:55 pm

1 stop10h 30m

$510

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Tue 3/10

12:55 pm-6:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Wed 4/1

7:25 pm-12:55 pm

1 stop10h 30m

$510

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Fri 1/30

12:55 pm-5:20 pm

1 stop11h 25m

Chicago O'Hare Intl

Mon 2/2

6:30 pm-11:45 am

1 stop10h 15m

$510

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Sun 3/15

9:25 pm-6:20 pm

1 stop26h 55m

Chicago O'Hare Intl

Wed 4/1

7:25 pm-4:15 pm

1 stop13h 50m

$513

CopenhagenChicago

CPH - ORD

CPHORD

Kastrup Copenhagen

Fri 1/30

8:25 am-7:29 pm

2 stops18h 04m

Chicago O'Hare Intl

Fri 2/6

6:25 pm-7:10 pm

1 stop17h 45m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 57 results
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Best time to book a flight from Copenhagen to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Copenhagen 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 Copenhagen to Illinois

What is the cheapest month to book a flight from Copenhagen to Illinois?

Currently, January is the cheapest month in which you can book a flight from Copenhagen to Illinois (average of $378). Flying from Copenhagen to Illinois in July is currently the most expensive (average of $543). 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 CPH to IL?

Find hourly flight availability from Copenhagen to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 45% on flights from Copenhagen to Illinois by exploring options for tickets in the morning.

How much does it cost to fly round-trip from Copenhagen to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Delta, Scandinavian Airlines, and United Airlines from Copenhagen to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.4
Good
1,606 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,091 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Copenhagen to Illinois. 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 from for flights from Copenhagen to Illinois?

    Kastrup Copenhagen (CPH) is the airport you will fly out of if you book a flight from Copenhagen to Illinois. It is only a 5.0 mi journey to Kastrup Copenhagen (CPH) from Copenhagen’s city center.

  • How long is the flight from Copenhagen to Illinois?

    Departing from Copenhagen to Illinois will take you 9h 15m. There are 4256 mi between Copenhagen and Illinois. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Copenhagen to Illinois are American Airlines ($338), British Airways ($345), and Icelandair ($356).

  • What are the most popular routes from Copenhagen to Illinois?

    While some choose either Kastrup Copenhagen - Chicago Midway or Kastrup Copenhagen - Lambert-St Louis, Kastrup Copenhagen - Chicago O'Hare Intl is the most popular route from Copenhagen to Illinois.

  • What are the most reliable airlines from Copenhagen to Illinois?

    No one likes to see their flight delayed. When booking a flight from Copenhagen to Illinois consider choosing Air France (80%), Delta (80%) or Emirates (42%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Copenhagen to Illinois?

    The cheapest flight price from Copenhagen to Illinois is $450. On average you can expect to pay $806. The most popular route, (Kastrup Copenhagen - Chicago O'Hare Intl), can usually be booked for $417.

  • Can I find deals for flights from Copenhagen to Illinois that include hotel bookings?

    Yes. In addition to deals on Copenhagen to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Copenhagen to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Copenhagen to Illinois.

  • Can I find deals for business class flights from Copenhagen to Illinois?

    Yes. Cheapflights offers flight deals from Copenhagen to Illinois 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 Copenhagen to Illinois?

    Currently, January is the cheapest month in which you can book a flight from Copenhagen to Illinois (average of $378). Flying from Copenhagen to Illinois in July is currently the most expensive (average of $543). 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

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Alternative routes for Copenhagen to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Copenhagen to Illinois

Discover the top 2 airlines that operate flights from Copenhagen to Illinois. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$460Average$662FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$533Average$809FlexibilityNo cancel feeOn-time77%

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