What is the cheapest airline that flies from Chicago to Cologne Köln/Bonn?

Turkish Airlines, Lufthansa, and American Airlines are the most popular carriers operating from Chicago to Cologne Köln/Bonn

What airlines fly to Cologne?

Lufthansa, United Airlines and Aer Lingus are the top three most popular airlines that fly to Cologne from Chicago according to our data. Lufthansa is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Cologne. Keep in mind that there are 12 different airlines that fly to Cologne on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago to Cologne Köln/Bonn Airport?

Prices for flights from Chicago to Cologne Köln/Bonn Airport are updated daily.

How many operators does momondo search for flights from Chicago to Cologne Köln/Bonn Airport?

There is 1 operator available for flights from Chicago to Cologne Köln/Bonn Airport as of October 2025.

How old do you have to be to fly from Chicago to Cologne Köln/Bonn Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Cologne Köln/Bonn Airport.

What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

The necessary travel and health documents for your Cologne Köln/Bonn Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$328 Cheap Flights from Chicago to Cologne in 2025/26

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Find the cheapest flights from Chicago to Cologne

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 pm - 4:30 pmORD-CGN

11h 45m1 stop

9:15 pm - 3:55 pmCGN-ORD

25h 40m1 stop

$576British Airways

Find Deal

Tue, Mar 24 - Tue, Mar 31

4:45 pm - 4:30 pmORD-CGN

17h 45m2 stops

9:15 pm - 3:55 pmCGN-ORD

25h 40m1 stop

$582British Airways

Find Deal

Tue, Mar 24 - Tue, Mar 31

4:45 pm - 4:30 pmORD-CGN

17h 45m2 stops

9:15 pm - 5:33 pmCGN-ORD

27h 18m2 stops

$642British Airways

Find Deal

Tue, Mar 24 - Tue, Mar 31

11:50 am - 5:15 pmORD-CGN

22h 25m1 stop

11:35 am - 10:05 amCGN-ORD

29h 30m1 stop

$651Turkish Airlines

Find Deal

Fri, Nov 28 - Fri, Dec 5

6:30 pm - 10:20 pmORD-CGN

20h 50m2 stops

7:40 pm - 5:20 pmCGN-ORD

28h 40m3 stops

$664Multiple Airlines

Find Deal

Fri, Nov 28 - Fri, Dec 5

3:35 pm - 8:55 amORD-CGN

34h 20m3 stops

8:00 am - 8:05 pmCGN-ORD

19h 05m2 stops

$686Multiple Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

11:50 am - 10:35 amORD-CGN

15h 45m1 stop

11:35 am - 10:05 amCGN-ORD

29h 30m1 stop

$695Turkish Airlines

Find Deal

Wed, Nov 26 - Wed, Dec 3

12:50 pm - 12:10 pmORD-CGN

16h 20m2 stops

8:40 am - 6:55 pmCGN-ORD

17h 15m2 stops

$955Air Canada

Find Deal

Fri, Nov 28 - Fri, Dec 5

9:20 pm - 11:10 amORD-CGN

30h 50m1 stop

6:05 am - 6:15 pmCGN-ORD

19h 10m1 stop

$1,005United Airlines

Find Deal

Sun, Apr 5 - Wed, Apr 8

9:20 pm - 11:10 amORD-CGN

30h 50m1 stop

6:20 am - 12:45 pmCGN-ORD

13h 25m1 stop

$1,019United Airlines

Find Deal

Sun, Apr 5 - Wed, Apr 8

United Airlines flights from Chicago to Cologne

Our best United Airlines deals on Chicago to Cologne flight tickets

United Airlines

Apr 5

ORD9:20 pmChicago O'Hare Intl

30h 50m

1 stop

CGN11:10 amCologne Köln/Bonn

Apr 8

CGN6:05 amCologne Köln/Bonn

19h 10m

1 stop

ORD6:15 pmChicago O'Hare Intl

$1,005

Find similar

United Airlines

Apr 5

ORD9:20 pmChicago O'Hare Intl

30h 50m

1 stop

CGN11:10 amCologne Köln/Bonn

Apr 8

CGN6:20 amCologne Köln/Bonn

13h 25m

1 stop

ORD12:45 pmChicago O'Hare Intl

$1,019

Find similar

Turkish Airlines flights from Chicago to Cologne

Our best Turkish Airlines deals on Chicago to Cologne flight tickets

Turkish Airlines

Nov 5

ORD11:50 amChicago O'Hare Intl

22h 25m

1 stop

CGN5:15 pmCologne Köln/Bonn

Nov 12

CGN6:15 pmCologne Köln/Bonn

22h 50m

1 stop

ORD10:05 amChicago O'Hare Intl

$580

Find similar

Turkish Airlines

Nov 28

ORD11:50 amChicago O'Hare Intl

22h 25m

1 stop

CGN5:15 pmCologne Köln/Bonn

Dec 5

CGN11:35 amCologne Köln/Bonn

29h 30m

1 stop

ORD10:05 amChicago O'Hare Intl

$651

Find similar

Turkish Airlines

Nov 26

ORD11:50 amChicago O'Hare Intl

15h 45m

1 stop

CGN10:35 amCologne Köln/Bonn

Dec 3

CGN11:35 amCologne Köln/Bonn

29h 30m

1 stop

ORD10:05 amChicago O'Hare Intl

$695

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 3/24

10:45 pm-4:30 pm

1 stop11h 45m

Cologne Köln/Bonn

Tue 3/31

9:15 pm-3:55 pm

1 stop25h 40m

$576

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 3/24

4:45 pm-4:30 pm

2 stops17h 45m

Cologne Köln/Bonn

Tue 3/31

9:15 pm-3:55 pm

1 stop25h 40m

$582

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 3/24

4:45 pm-4:30 pm

2 stops17h 45m

Cologne Köln/Bonn

Tue 3/31

9:15 pm-5:33 pm

2 stops27h 18m

$642

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Fri 11/28

11:50 am-5:15 pm

1 stop22h 25m

Cologne Köln/Bonn

Fri 12/5

11:35 am-10:05 am

1 stop29h 30m

$651

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Fri 11/28

6:30 pm-10:20 pm

2 stops20h 50m

Cologne Köln/Bonn

Fri 12/5

7:40 pm-5:20 pm

3 stops28h 40m

$664

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 11/26

3:35 pm-8:55 am

3 stops34h 20m

Cologne Köln/Bonn

Wed 12/3

8:00 am-8:05 pm

2 stops19h 05m

$686

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 11/26

11:50 am-10:35 am

1 stop15h 45m

Cologne Köln/Bonn

Wed 12/3

11:35 am-10:05 am

1 stop29h 30m

$695

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Fri 11/28

12:50 pm-12:10 pm

2 stops16h 20m

Cologne Köln/Bonn

Fri 12/5

8:40 am-6:55 pm

2 stops17h 15m

$955

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 4/5

9:20 pm-11:10 am

1 stop30h 50m

Cologne Köln/Bonn

Wed 4/8

6:05 am-6:15 pm

1 stop19h 10m

$1,005

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 4/5

9:20 pm-11:10 am

1 stop30h 50m

Cologne Köln/Bonn

Wed 4/8

6:20 am-12:45 pm

1 stop13h 25m

$1,019

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Cologne

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Cologne?

The cheapest month to fly to Cologne from Chicago is in February. Flight prices, which tend to average around $579, are often lower during this time because this is during the off-season. If you are unable to visit Cologne during the month of February, then departing from Chicago during the month March is also very affordable. Most momondo users find prices during this month for around $643.

What is the cheapest day to depart on your flight to Cologne?

The cheapest day to depart from Chicago to Cologne is on a Thursday when prices can be found for as low as $872. On the other hand, Monday is the most expensive day to depart from Chicago because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,547.

What is the cheapest time of day to depart on your flight to Cologne?

The cheapest time of day to fly to Cologne is in the morning when flights can be purchased for as low as $879. In the afternoon is when there is more demand to fly to Cologne, so prices are often more expensive at around $1,181 per ticket.

When to book flights from Chicago to Cologne

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Cologne according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Cologne (CHI to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Cologne

Direct flights	None

There are no direct flights from Chicago to Cologne. There are no popular flight routes from Chicago to Cologne.

Search flight deals

How far is Chicago to Cologne Köln/Bonn by plane?
Chicago and Cologne Köln/Bonn are 4229.6 mi apart from one another. Flights usually cover this in 11h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to Cologne Köln/Bonn Airport?
Prices for flights from Chicago to Cologne Köln/Bonn Airport are updated daily.
How many operators does momondo search for flights from Chicago to Cologne Köln/Bonn Airport?
There is 1 operator available for flights from Chicago to Cologne Köln/Bonn Airport as of October 2025.
How old do you have to be to fly from Chicago to Cologne Köln/Bonn Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Cologne Köln/Bonn Airport.
What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?
The necessary travel and health documents for your Cologne Köln/Bonn Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago to Cologne?
momondo data reveals that the most frequently booked airline on the route from Chicago to Cologne is British Airways, representing 100% of all bookings.

Best airlines flying from Chicago to Cologne

Compare and see reviews for airlines that fly from Chicago to Cologne with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $560	Free Cancellation	Rating 6.7 7,487 reviews		Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Cologne?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cologne from Chicago.

Can I find flights from Chicago to Cologne with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cologne from Chicago with this policy.

How can momondo help me find flights from Chicago to Cologne?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cologne from Chicago.

I’m not ready to book a flight from Chicago to Cologne right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Cologne from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.