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Cologne

$421+ Cheap flights from Illinois to Cologne (CGN)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CGN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Cologne

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Cologne (CGN). 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

$572
(oojo)

One-way from

$421
(American Airlines)
From Illinois to Cologne Köln/Bonn
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One-way flight from Illinois to Cologne Köln/Bonn
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Find flight deals from Illinois to Cologne

Cheapest flights from Illinois to Cologne
Explore the most affordable flight options available from Illinois to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

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.
Mon 3/35:00 pmORD - CGN
1 stop11h 05mBritish Airways
Mon 3/107:20 pmCGN - ORD
2 stops26h 10mBritish Airways
Deal found 1/20$572
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/410:40 amORD - CGN
2 stops16h 45mAmerican Airlines
Tue 3/1112:00 pmCGN - ORD
1 stop13h 45mAmerican Airlines
Deal found 1/19$585
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/102:52 pmORD - CGN
2 stops13h 13mMultiple Airlines
Mon 2/1711:35 amCGN - ORD
1 stop34h 10mMultiple Airlines
Deal found 1/21$586
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/411:55 amORD - CGN
1 stop22h 20mTurkish Airlines
Tue 3/1111:45 amCGN - ORD
1 stop29h 25mTurkish Airlines
Deal found 1/19$619
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/3011:35 amORD - CGN
2 stops16h 35mAir Canada
Sun 4/208:40 amCGN - ORD
2 stops17h 50mAir Canada
Deal found 1/21$1,084

Find flights from Illinois to Cologne within your budget

Customize your flight search to find flights from Illinois to Cologne 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.

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ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 2/10

5:00 pm-11:05 am

1 stop11h 05m

Cologne Köln/Bonn

Mon 2/17

7:20 pm-1:55 pm

1 stop25h 35m

$582

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 2/2

9:45 pm-6:25 pm

1 stop13h 40m

Cologne Köln/Bonn

Mon 2/17

11:35 am-2:45 pm

1 stop34h 10m

$585

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 2/10

2:52 pm-11:05 am

2 stops13h 13m

Cologne Köln/Bonn

Mon 2/17

11:35 am-2:45 pm

1 stop34h 10m

$586

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 3/4

11:55 am-10:45 am

1 stop15h 50m

Cologne Köln/Bonn

Tue 3/11

6:15 pm-11:10 am

1 stop22h 55m

$622

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 3/30

11:35 am-11:10 am

2 stops16h 35m

Cologne Köln/Bonn

Sun 4/20

8:40 am-7:30 pm

2 stops17h 50m

$1,084

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 2/10

12:45 pm-5:10 pm

3 stops21h 25m

Cologne Köln/Bonn

Mon 2/17

9:10 am-7:46 am

3 stops29h 36m

$1,709

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Fri 3/7

9:25 pm-5:10 pm

1 stop12h 45m

Cologne Köln/Bonn

Fri 3/14

9:10 am-7:25 pm

1 stop16h 15m

$6,878

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

Sun 2/9

5:30 pm-10:45 am

2 stops34h 15m

Cologne Köln/Bonn

Sun 2/16

6:15 pm-2:36 pm

2 stops27h 21m

$7,440

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 2/11

1:54 pm-10:25 am

2 stops13h 31m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Illinois to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne 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 Cologne

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Cologne (average of $649). Flying from Illinois to Cologne in June is currently the most expensive (average of $1,520). 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 CGN?

Find hourly flight availability from Illinois to Cologne. 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 Cologne as you normally would.

Rainfall in Cologne by month

Plan your trip to Cologne by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cologne ranges from 2.0 - 3.5 inches per month. June is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Cologne when rainfall is around 2.0 in.

Temperature in Cologne by month

Plan your trip to Cologne by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cologne, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Cologne

Get insights into the airlines that provide service to Cologne. 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 Cologne. Reviews last updated January 21, 2025.
SWISS
7.5
Good
1,600 reviews

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS
7.5
Good
1,600 reviews
SWISS
7.5
Good
1,600 reviews

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

United Airlines
7.4
Good
8,984 reviews
SWISS
7.5
Good
1,600 reviews

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Turkish Airlines
7.3
Good
3,931 reviews
SWISS
7.5
Good
1,600 reviews

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,600 reviews

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

TAP AIR PORTUGAL
7.2
Good
1,869 reviews
SWISS
7.5
Good
1,600 reviews

Comfort

7.4

Food

7.0

Crew

8.2

Entertainment

6.8

Overall

7.5

Boarding

7.6

Reviews

1 / 10

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

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

    Located just 9.5 mi from the city center, Cologne Köln/Bonn (CGN) is the airport most travelers will use when flying to Cologne from Illinois.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Illinois to Cologne (average of $649). Flying from Illinois to Cologne in June is currently the most expensive (average of $1,520). 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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Top 3 airlines flying from Illinois to Cologne

Discover the top 3 airlines that operate flights from Illinois to Cologne. 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
British AirwaysCheapest$560Average$680FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$573Average$1,342FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$714Average$1,433FlexibilityNo cancel feeOn-time69%
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