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Cologne

$294+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CGN
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheap flight deals from Illinois to Cologne

Keep the following information in mind while searching for Illinois to Cologne flight deals. Data was last updated octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$608
(Ovago)

One-way from

$294
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$821
Provider with most accurate pricing for Chicago (CHI)-Cologne Köln/Bonn flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Cologne Köln/Bonn flights.
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From Illinois to Cologne Köln/Bonn
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One-way flight from Illinois to Cologne Köln/Bonn
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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octubre 28, 2025.

This Gotogate deal was found by Cheapflights users on 10/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/109:45 pmORD - CGN
1 stop29h 30mBritish Airways
mié. 12/1712:00 pmCGN - ORD
1 stop13h 45mBritish Airways
Deal found 10/25$620
This FlightHub deal was found by Cheapflights users on 10/27. 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.
sáb. 11/811:50 amORD - CGN
1 stop22h 25mTurkish Airlines
jue. 11/1311:35 amCGN - ORD
1 stop29h 30mTurkish Airlines
Deal found 10/27$635
This oojo deal was found by Cheapflights users on 10/27. 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.
jue. 11/2711:50 amORD - CGN
1 stop22h 25mTurkish Airlines
mar. 12/26:15 pmCGN - ORD
1 stop22h 50mTurkish Airlines
Deal found 10/27$649
This FlightHub deal was found by Cheapflights users on 10/25. 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.
jue. 11/2711:50 amORD - CGN
1 stop15h 45mTurkish Airlines
sáb. 12/611:35 amCGN - ORD
1 stop29h 30mTurkish Airlines
Deal found 10/25$654
This FlightHub deal was found by Cheapflights users on 10/27. 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.
mar. 11/2511:50 amORD - CGN
1 stop15h 45mTurkish Airlines
mar. 12/26:15 pmCGN - ORD
1 stop22h 50mTurkish Airlines
Deal found 10/27$677
This oojo deal was found by Cheapflights users on 10/28. 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.
lun. 12/16:43 pmSTL - CGN
2 stops17h 12mLufthansa
lun. 12/88:20 pmCGN - STL
2 stops34h 22mLufthansa
Deal found 10/28$687
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:30 pmORD - CGN
2 stops20h 30mMultiple Airlines
dom. 12/1410:45 pmCGN - ORD
2 stops25h 35mMultiple Airlines
Deal found 10/26$687
This KAYAK deal was found by Cheapflights users on 10/27. 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.
mié. 11/2611:50 amORD - CGN
1 stop22h 25mTurkish Airlines
mar. 12/26:15 pmCGN - ORD
1 stop22h 50mTurkish Airlines
Deal found 10/27$710
This FlightHub deal was found by Cheapflights users on 10/27. 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.
mar. 11/2511:50 amORD - CGN
1 stop15h 45mTurkish Airlines
lun. 12/16:15 pmCGN - ORD
1 stop22h 50mTurkish Airlines
Deal found 10/27$713
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/277:20 pmORD - CGN
3 stops32h 45mMultiple Airlines
sáb. 12/62:45 pmCGN - ORD
2 stops33h 00mMultiple Airlines
Deal found 10/25$744
This British Airways deal was found by Cheapflights users on 10/27. 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.
lun. 11/175:10 pmORD - CGN
2 stops16h 00mBritish Airways
sáb. 12/1312:40 pmCGN - ORD
2 stops25h 41mBritish Airways
Deal found 10/27$758
This Air Canada deal was found by Cheapflights users on 10/26. 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.
lun. 12/14:05 pmSTL - CGN
2 stops23h 20mMultiple Airlines
lun. 12/87:00 amCGN - STL
2 stops39h 29mMultiple Airlines
Deal found 10/26$825

Cheapflights Fare Finder

 
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 octubre 28, 2025.
Use the filters below to find and compare flights from Illinois to Cologne that are best for you.

Fly from

Illinois

Fly to

Cologne

Route

Depart

Return

Price

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

mar. 2/24

6:43 pm-4:30 pm

2 stops14h 47m

Cologne Köln/Bonn

dom. 3/1

4:35 pm-10:57 pm

2 stops37h 22m

$608

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

mié. 12/10

9:45 pm-10:15 am

1 stop29h 30m

Cologne Köln/Bonn

mié. 12/17

12:00 pm-6:45 pm

1 stop13h 45m

$620

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

sáb. 11/8

11:50 am-5:15 pm

1 stop22h 25m

Cologne Köln/Bonn

jue. 11/13

11:35 am-10:05 am

1 stop29h 30m

$635

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

jue. 11/27

11:50 am-10:35 am

1 stop15h 45m

Cologne Köln/Bonn

sáb. 12/6

11:35 am-10:05 am

1 stop29h 30m

$654

St. LouisCologne

STL - CGN

STLCGN

Lambert-St Louis

lun. 12/1

6:43 pm-6:55 pm

2 stops17h 12m

Cologne Köln/Bonn

lun. 12/8

8:20 pm-11:42 pm

2 stops34h 22m

$687

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

mar. 11/25

11:50 am-10:35 am

1 stop15h 45m

Cologne Köln/Bonn

lun. 12/1

6:15 pm-10:05 am

1 stop22h 50m

$713

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

jue. 11/27

7:20 pm-11:05 am

3 stops32h 45m

Cologne Köln/Bonn

sáb. 12/6

2:45 pm-4:45 pm

2 stops33h 00m

$744

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

lun. 11/17

5:10 pm-4:10 pm

2 stops16h 00m

Cologne Köln/Bonn

sáb. 12/13

12:40 pm-7:21 am

2 stops25h 41m

$758

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

mié. 11/26

11:50 am-5:15 pm

1 stop22h 25m

Cologne Köln/Bonn

lun. 12/1

6:15 pm-10:05 am

1 stop22h 50m

$760

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

mié. 12/10

7:10 pm-9:10 pm

2 stops19h 00m

Cologne Köln/Bonn

mié. 12/17

7:00 am-5:55 pm

2 stops17h 55m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 22 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Cologne

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Cologne (average of $203). Flying from Illinois to Cologne in June is currently the most expensive (average of $738). 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 octubre 28, 2025.

When flying from Illinois to Cologne, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 46% versus a flight in the afternoon.

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

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.

  • How long is the flight from Illinois to Cologne?

    Airlines like British Airways, Turkish Airlines, and Lufthansa fly from Illinois to Cologne in about 14h 47m. The time it takes to get you to your destination can typically vary by up to 7h 38m. The distance between Illinois and Cologne is about 4494 mi. This flight may include one or multiple stops.

  • 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, April is the cheapest month in which you can book a flight from Illinois to Cologne (average of $203). Flying from Illinois to Cologne in June is currently the most expensive (average of $738). 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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Top airline flying from Illinois to Cologne

Discover the top airline 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$560Average$741FlexibilityNo cancel feeOn-time70%

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