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$482+ Cheap flights from Cologne (CGN) to Illinois

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — ORD
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Cologne to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) to Illinois (USIL). 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 December 22, 2024.

Round-trip from

$482
(Billigflug)
From Cologne Köln/Bonn to Illinois
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Find flight deals from Cologne to Illinois

Cheapest flights from Cologne to Illinois
Explore the most affordable flight options available from Cologne to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2412:00 pmCGN - ORD
1 stop13h 45mBritish Airways
Sun 1/1910:00 pmORD - CGN
1 stop13h 25mBritish Airways
Deal found 12/21$721
This Lufthansa deal was found by Cheapflights users on 12/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:10 amCGN - ORD
1 stop12h 00mLufthansa
Sat 1/186:00 pmORD - CGN
1 stop11h 45mLufthansa
Deal found 12/21$766
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:10 amCGN - ORD
1 stop12h 00mUnited Airlines
Mon 1/133:15 pmORD - CGN
2 stops14h 30mUnited Airlines
Deal found 12/21$770
This Turkish Airlines deal was found by Cheapflights users on 12/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:15 pmCGN - ORD
1 stop31h 20mTurkish Airlines
Tue 1/1411:55 amORD - CGN
1 stop22h 20mTurkish Airlines
Deal found 12/21$934
This OneTravel deal was found by Cheapflights users on 12/21. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/279:10 amCGN - ORD
2 stops20h 03mAir Canada
Thu 1/162:05 pmORD - CGN
2 stops15h 40mAir Canada
Deal found 12/21$1,016
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/21. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/241:25 pmCGN - ORD
2 stops33h 05mTAP AIR PORTUGAL
Sun 1/198:25 pmORD - CGN
2 stops40h 00mTAP AIR PORTUGAL
Deal found 12/21$1,032
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:15 pmCGN - ORD
1 stop22h 55mMultiple Airlines
Fri 1/176:30 pmORD - CGN
2 stops15h 00mMultiple Airlines
Deal found 12/21$1,263
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:45 amCGN - ORD
1 stop16h 30mSWISS
Tue 1/147:05 pmORD - CGN
1 stop19h 10mSWISS
Deal found 12/21$1,416

Find flights from Cologne to Illinois within your budget

Customize your flight search to find flights from Cologne 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 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 2/1

12:25 pm-6:45 pm

1 stop13h 20m

Chicago O'Hare Intl

Mon 2/3

10:00 pm-10:25 am

1 stop29h 25m

$482

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 5/3

10:20 am-5:00 pm

1 stop13h 40m

Chicago O'Hare Intl

Tue 5/13

5:55 pm-9:25 pm

1 stop20h 30m

$496

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 2/13

6:40 pm-7:29 pm

2 stops31h 49m

Lambert-St Louis

Sun 2/16

11:25 am-6:25 pm

2 stops24h 00m

$509

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 5/3

10:20 am-5:00 pm

1 stop13h 40m

Chicago O'Hare Intl

Tue 5/13

4:55 pm-9:25 pm

1 stop21h 30m

$536

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Fri 3/28

6:45 am-9:01 am

2 stops32h 16m

Chicago O'Hare Intl

Sun 4/6

2:05 pm-11:10 am

2 stops14h 05m

$596

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 2/13

11:35 am-10:44 pm

3 stops18h 09m

Lambert-St Louis

Sun 2/16

2:21 pm-6:25 pm

2 stops21h 04m

$691

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Fri 3/28

9:10 am-7:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Sun 4/6

5:50 pm-12:15 pm

1 stop11h 25m

$707

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 1/18

9:10 am-6:43 pm

2 stops16h 33m

Chicago O'Hare Intl

Wed 1/22

6:00 pm-12:45 pm

1 stop11h 45m

$1,040

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 1/18

9:10 am-7:44 am

3 stops29h 34m

Chicago O'Hare Intl

Sun 1/26

8:25 pm-7:25 pm

2 stops16h 00m

$1,140

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 1/18

6:15 pm-9:38 am

2 stops46h 23m

Chicago O'Hare Intl

Wed 1/22

8:30 pm-10:45 am

1 stop31h 15m

$1,521

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 11 results
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Best time to book a flight from Cologne to Illinois

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

Travel insights for flights from Cologne to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Cologne to Illinois (average of $245). Flying from Cologne to Illinois in March is currently the most expensive (average of $317). 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 Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 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 22, 2024.
Read through reviews of airlines operating flights from Cologne to Illinois, such as British Airways, American Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,605 reviews

Comfort

7.4

Boarding

7.7

Entertainment

6.8

Overall

7.6

Crew

8.2

Food

7.1

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
7.6
Good
1,605 reviews
SWISS
7.6
Good
1,605 reviews

Comfort

7.4

Boarding

7.7

Entertainment

6.8

Overall

7.6

Crew

8.2

Food

7.1

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
9,028 reviews
SWISS
7.6
Good
1,605 reviews

Comfort

7.4

Boarding

7.7

Entertainment

6.8

Overall

7.6

Crew

8.2

Food

7.1

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
3,900 reviews
SWISS
7.6
Good
1,605 reviews

Comfort

7.4

Boarding

7.7

Entertainment

6.8

Overall

7.6

Crew

8.2

Food

7.1

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
7.6
Good
1,605 reviews

Comfort

7.4

Boarding

7.7

Entertainment

6.8

Overall

7.6

Crew

8.2

Food

7.1

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
7.1
Good
1,880 reviews
SWISS
7.6
Good
1,605 reviews

Comfort

7.4

Boarding

7.7

Entertainment

6.8

Overall

7.6

Crew

8.2

Food

7.1

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 Cologne 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 Cologne to Illinois?

    Cologne Köln/Bonn (CGN), located 9.5 mi from the city center, is the airport you fly out of when you book flights from Cologne to Illinois.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Cologne to Illinois (average of $245). Flying from Cologne to Illinois in March is currently the most expensive (average of $317). 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 Cologne to Illinois

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Top airline flying from Cologne to Illinois

Discover the top airline that operate flights from Cologne 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 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$495Average$872FlexibilityNo cancel feeOn-time76%
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