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

Turkish Airlines, Austrian Airlines, and SWISS 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 41% 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 are 2 operators available for flights from Chicago to Cologne Köln/Bonn Airport as of July 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.

$559 Cheap Flights from Chicago to Cologne in 2025

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Find the cheapest flights from Chicago to Cologne

Round-trip

One-way

Last minute

Cheap round-trip flights

9:45 pm - 4:30 pmORD-CGN

11h 45m1 stop

5:05 pm - 1:50 pmCGN-ORD

27h 45m1 stop

$588British Airways

Find Deal

Tue, Dec 30 - Thu, Jan 29

8:45 pm - 4:30 pmORD-CGN

12h 45m1 stop

4:35 pm - 1:50 pmCGN-ORD

28h 15m1 stop

$590British Airways

Find Deal

Tue, Nov 11 - Sun, Nov 16

5:10 pm - 4:30 pmORD-CGN

16h 20m1 stop

5:05 pm - 7:20 pmCGN-ORD

33h 15m2 stops

$594British Airways

Find Deal

Tue, Dec 30 - Thu, Jan 29

9:45 pm - 4:30 pmORD-CGN

11h 45m1 stop

4:35 pm - 7:23 pmCGN-ORD

33h 48m2 stops

$595British Airways

Find Deal

Tue, Nov 11 - Sun, Nov 16

10:35 pm - 8:25 pmORD-CGN

14h 50m1 stop

10:15 pm - 3:55 pmCGN-ORD

24h 40m1 stop

$596British Airways

Find Deal

Sun, Aug 31 - Wed, Sep 10

10:35 pm - 8:25 pmORD-CGN

14h 50m1 stop

10:15 pm - 1:55 pmCGN-ORD

22h 40m1 stop

$597British Airways

Find Deal

Sun, Aug 31 - Wed, Sep 10

7:25 pm - 11:10 pmORD-CGN

20h 45m2 stops

6:00 pm - 9:15 pmCGN-ORD

34h 15m2 stops

$672

Find Deal

Sun, Aug 17 - Sun, Aug 24

11:50 am - 5:15 pmORD-CGN

22h 25m1 stop

6:15 pm - 10:05 amCGN-ORD

22h 50m1 stop

$788Turkish Airlines

Find Deal

Tue, Nov 11 - Sat, Nov 15

11:50 am - 10:35 amORD-CGN

15h 45m1 stop

6:15 pm - 6:25 pmCGN-ORD

31h 10m1 stop

$789Turkish Airlines

Find Deal

Tue, Nov 11 - Sat, Nov 15

11:25 am - 6:15 pmORD-CGN

23h 50m1 stop

7:10 pm - 10:00 pmCGN-ORD

33h 50m1 stop

$900Turkish Airlines

Find Deal

Sun, Aug 17 - Sun, Aug 24

British Airways flights from Chicago to Cologne

Our best British Airways deals on Chicago to Cologne flight tickets

British Airways

Dec 30

ORD9:45 pmChicago O'Hare Intl

11h 45m

1 stop

CGN4:30 pmCologne Köln/Bonn

Jan 29

CGN5:05 pmCologne Köln/Bonn

27h 45m

1 stop

ORD1:50 pmChicago O'Hare Intl

$588

Find similar

British Airways

Nov 11

ORD8:45 pmChicago O'Hare Intl

12h 45m

1 stop

CGN4:30 pmCologne Köln/Bonn

Nov 16

CGN4:35 pmCologne Köln/Bonn

28h 15m

1 stop

ORD1:50 pmChicago O'Hare Intl

$590

Find similar

British Airways

Dec 30

ORD5:10 pmChicago O'Hare Intl

16h 20m

1 stop

CGN4:30 pmCologne Köln/Bonn

Jan 29

CGN5:05 pmCologne Köln/Bonn

33h 15m

2 stops

ORD7:20 pmChicago O'Hare Intl

$594

Find similar

American Airlines flights from Chicago to Cologne

Our best American Airlines deals on Chicago to Cologne flight tickets

American Airlines

Aug 1

ORD10:30 pmChicago O'Hare Intl

39h 20m

2 stops

CGN8:50 pmCologne Köln/Bonn

Aug 15

CGN2:20 pmCologne Köln/Bonn

25h 49m

2 stops

ORD9:09 amChicago O'Hare Intl

$860

Find similar

American Airlines

Aug 1

ORD5:40 pmChicago O'Hare Intl

44h 10m

1 stop

CGN8:50 pmCologne Köln/Bonn

Aug 15

CGN2:20 pmCologne Köln/Bonn

32h 35m

1 stop

ORD3:55 pmChicago O'Hare Intl

$1,111

Find similar

American Airlines

Aug 1

ORD5:40 pmChicago O'Hare Intl

44h 10m

1 stop

CGN8:50 pmCologne Köln/Bonn

Aug 15

CGN2:20 pmCologne Köln/Bonn

31h 20m

1 stop

ORD2:40 pmChicago O'Hare Intl

$1,183

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 12/30

9:45 pm-4:30 pm

1 stop11h 45m

Cologne Köln/Bonn

Thu 1/29

5:05 pm-1:50 pm

1 stop27h 45m

$588

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 11/11

8:45 pm-4:30 pm

1 stop12h 45m

Cologne Köln/Bonn

Sun 11/16

4:35 pm-1:50 pm

1 stop28h 15m

$590

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 12/30

5:10 pm-4:30 pm

1 stop16h 20m

Cologne Köln/Bonn

Thu 1/29

5:05 pm-7:20 pm

2 stops33h 15m

$594

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 11/11

9:45 pm-4:30 pm

1 stop11h 45m

Cologne Köln/Bonn

Sun 11/16

4:35 pm-7:23 pm

2 stops33h 48m

$595

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 8/31

10:35 pm-8:25 pm

1 stop14h 50m

Cologne Köln/Bonn

Wed 9/10

10:15 pm-3:55 pm

1 stop24h 40m

$596

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 8/31

10:35 pm-8:25 pm

1 stop14h 50m

Cologne Köln/Bonn

Wed 9/10

10:15 pm-1:55 pm

1 stop22h 40m

$597

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 8/17

7:25 pm-11:10 pm

2 stops20h 45m

Cologne Köln/Bonn

Sun 8/24

6:00 pm-9:15 pm

2 stops34h 15m

$672

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 11/11

11:50 am-5:15 pm

1 stop22h 25m

Cologne Köln/Bonn

Sat 11/15

6:15 pm-10:05 am

1 stop22h 50m

$788

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 11/11

11:50 am-10:35 am

1 stop15h 45m

Cologne Köln/Bonn

Sat 11/15

6:15 pm-6:25 pm

1 stop31h 10m

$789

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 8/17

11:25 am-6:15 pm

1 stop23h 50m

Cologne Köln/Bonn

Sun 8/24

7:10 pm-10:00 pm

1 stop33h 50m

$900

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 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

Best Price Found	$637
Fastest flight time	11h 45m
Direct flights	None
Airports in Cologne	1 airport

The best one-way flight to Cologne from Chicago in the past 72 hours is $637. The best round-trip flight deal from Chicago to Cologne found on momondo in the last 72 hours is $588.

The fastest flight from Chicago to Cologne takes 11h 45m

There are no direct flights from Chicago to Cologne. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Cologne Köln/Bonn Airport.

There is 1 airport near Cologne: Cologne Köln/Bonn (CGN)

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 45m, 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 are 2 operators available for flights from Chicago to Cologne Köln/Bonn Airport as of July 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 59% of all bookings. The subsequent popular airline is Lufthansa at 41%.

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 6.6 7,222 reviews		Search British Airways flights
United Airlines	PriceFrom $594	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines 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.