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O'Hare Intl

$499+ Cheap flights from Cologne (CGN) to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — ORD
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Cologne to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) to O'Hare Intl (ORD). 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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$499
(Billigflug)

Popular in

December

Cheapest in

October

Average price

$878
Provider with most accurate pricing for Cologne Köln/Bonn-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Chicago O'Hare Intl flights.
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From Cologne Köln/Bonn to Chicago O'Hare Intl
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Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Cologne to O'Hare Intl

Cheapest flights from Cologne to O'Hare Intl
Explore the most affordable flight options available from Cologne to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Billigflug 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:15 amCGN - ORD
1 stop15h 00mBritish Airways
Mon 9/299:15 pmORD - CGN
1 stop16h 15mBritish Airways
Deal found 4/21$499
This Billigflug 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/289:15 pmCGN - ORD
2 stops23h 15mMultiple Airlines
Sun 5/410:20 pmORD - CGN
1 stop15h 05mMultiple Airlines
Deal found 4/21$510
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:15 amCGN - ORD
1 stop15h 00mAmerican Airlines
Mon 5/57:15 pmORD - CGN
1 stop18h 15mAmerican Airlines
Deal found 4/21$516
This Billigflug 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:20 amCGN - ORD
2 stops22h 46mAir Canada
Mon 5/128:40 amORD - CGN
2 stops43h 30mAir Canada
Deal found 4/22$522
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:55 pmCGN - ORD
1 stop12h 20mLufthansa
Mon 10/2710:25 pmORD - CGN
1 stop11h 05mLufthansa
Deal found 4/21$526
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.
Sat 6/216:05 amCGN - ORD
1 stop14h 55mUnited Airlines
Sat 8/165:55 pmORD - CGN
2 stops35h 20mUnited Airlines
Deal found 4/22$562
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/282:50 pmCGN - ORD
1 stop25h 50mTurkish Airlines
Wed 5/2111:25 amORD - CGN
1 stop19h 25mTurkish Airlines
Deal found 4/21$936
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:30 amCGN - ORD
1 stop13h 50mAustrian Airlines
Mon 5/54:20 pmORD - CGN
1 stop20h 20mAustrian Airlines
Deal found 4/22$1,085

Cheapflights Fare Finder

Customize your flight search to find flights from Cologne to O'Hare Intl 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 Cologne to Chicago O'Hare Intl Airport that are best for you.

Fly from

Cologne

Fly to

O'Hare Intl

Route

Depart

Return

Price

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 9/14

10:15 am-6:15 pm

1 stop15h 00m

Chicago O'Hare Intl

Mon 9/29

9:15 pm-8:30 pm

1 stop16h 15m

$499

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Fri 5/2

2:20 pm-2:45 pm

1 stop31h 25m

Chicago O'Hare Intl

Thu 5/8

7:10 pm-1:35 pm

1 stop11h 25m

$516

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Thu 5/8

6:20 am-10:06 pm

2 stops22h 46m

Chicago O'Hare Intl

Mon 5/12

8:40 am-11:10 am

2 stops43h 30m

$522

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 6/21

6:05 am-2:00 pm

1 stop14h 55m

Chicago O'Hare Intl

Sat 8/16

5:55 pm-12:15 pm

2 stops35h 20m

$562

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 5/3

7:40 am-6:22 pm

2 stops17h 42m

Chicago O'Hare Intl

Fri 5/16

4:05 pm-6:55 pm

2 stops19h 50m

$671

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Mon 6/23

12:55 pm-6:15 pm

1 stop12h 20m

Chicago O'Hare Intl

Fri 6/27

9:40 pm-5:35 pm

1 stop12h 55m

$851

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 8/16

9:00 am-11:10 pm

3 stops45h 10m

$527

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 8/16

8:40 am-2:00 pm

1 stop12h 20m

$695

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Thu 8/14

10:15 am-3:05 pm

1 stop11h 50m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Compare providers for flights from Cologne to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cologne to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cologne-Chicago O'Hare Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Cologne-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Cologne-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cologne-Chicago O'Hare Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cologne-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cologne to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Cologne 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 Cologne to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Cologne to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Cologne to Chicago O'Hare Intl Airport (average of $245). Flying from Cologne to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated April 22, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines and Air Canada from Cologne to Chicago. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,684 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,684 reviews
United Airlines
7.4
Good
8,684 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,684 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Air Canada
7.0
Good
9,180 reviews
United Airlines
7.4
Good
8,684 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Lufthansa
6.7
Okay
7,023 reviews
United Airlines
7.4
Good
8,684 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
British Airways
6.6
Okay
6,794 reviews
United Airlines
7.4
Good
8,684 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Cologne to O'Hare Intl. 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 Cologne to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Cologne, you will be flying from Köln/Bonn, which is the city’s only airport. Cologne Köln/Bonn (CGN) is located 9.5 mi from the center of Cologne. There are 0 flights from Köln/Bonn to Chicago O'Hare Intl per day from 1 airline.

  • What are the cheapest airlines flying from Cologne to Chicago O'Hare Intl Airport round-trip?

    Flying on British Airways is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $499. Additional round-trip tickets that might be worth considering are offered by American Airlines and Air Canada, with the lowest prices starting at $516 and $522, respectively. Users have found that British Airways is 30% cheaper than the other options available to this destination.

  • Can I find deals for flights from Cologne to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Cologne to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cologne to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cologne to O'Hare Intl.

  • Can I find deals for business class flights from Cologne to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Cologne to O'Hare Intl 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 Cologne to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Cologne to Chicago O'Hare Intl Airport (average of $245). Flying from Cologne to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 Cologne?

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Top airline flying from Cologne to O'Hare Intl

Discover the top airline that operate flights from Cologne to O'Hare Intl. 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
LufthansaCheapest$855Average$892FlexibilityNo cancel feeOn-time76%

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