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Cheap flights from Chicago O'Hare Intl Airport to Cologne from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Cologne departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago O'Hare Intl Airport to Cologne

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 pm - 1:05 am
ORD
-
CGN
19h 40m
2 stops
Multiple Airlines Logo
9:15 am - 12:40 pm
CGN
-
ORD
34h 25m
2 stops
$747Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
6:00 pm - 10:45 pm
ORD
-
CGN
21h 45m
2 stops
Multiple Airlines Logo
9:15 am - 12:40 pm
CGN
-
ORD
34h 25m
2 stops
$824Multiple Airlines
Wed, Aug 12 - Wed, Aug 26
Multiple Airlines Logo
9:00 pm - 10:30 pm
ORD
-
CGN
18h 30m
1 stop
Multiple Airlines Logo
12:20 pm - 7:15 pm
CGN
-
ORD
37h 55m
2 stops
$838Multiple Airlines
Thu, Aug 13 - Wed, Aug 26
Multiple Airlines Logo
7:25 pm - 9:15 pm
ORD
-
CGN
18h 50m
2 stops
Multiple Airlines Logo
7:05 pm - 8:29 pm
CGN
-
ORD
32h 24m
3 stops
$843Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
7:25 pm - 10:40 pm
ORD
-
CGN
20h 15m
2 stops
Multiple Airlines Logo
9:15 am - 2:00 pm
CGN
-
ORD
35h 45m
2 stops
$852Multiple Airlines
Mon, Sep 14 - Wed, Sep 23
Multiple Airlines Logo
7:25 pm - 9:15 pm
ORD
-
CGN
18h 50m
2 stops
Multiple Airlines Logo
6:30 am - 9:25 pm
CGN
-
ORD
21h 55m
2 stops
$865Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Turkish Airlines Logo
11:25 am - 1:50 pm
ORD
-
CGN
19h 25m
1 stop
Turkish Airlines Logo
7:10 pm - 9:40 am
CGN
-
ORD
21h 30m
1 stop
$866Turkish Airlines
Thu, Aug 13 - Wed, Aug 26
Turkish Airlines Logo
8:10 pm - 6:10 pm
ORD
-
CGN
15h 00m
1 stop
Turkish Airlines Logo
7:10 pm - 9:40 am
CGN
-
ORD
21h 30m
1 stop
$867Turkish Airlines
Thu, Aug 13 - Wed, Aug 26
Multiple Airlines Logo
3:40 pm - 10:50 pm
ORD
-
CGN
24h 10m
3 stops
Multiple Airlines Logo
10:50 pm - 7:48 pm
CGN
-
ORD
27h 58m
3 stops
$868Multiple Airlines
Mon, Sep 14 - Wed, Sep 23
Turkish Airlines Logo
8:10 pm - 6:10 pm
ORD
-
CGN
15h 00m
1 stop
Turkish Airlines Logo
7:10 pm - 9:40 am
CGN
-
ORD
21h 30m
1 stop
$869Turkish Airlines
Mon, Sep 14 - Wed, Sep 23

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Turkish Airlines flights from Chicago O'Hare Intl Airport to Cologne

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Cologne flight tickets
Turkish Airlines
Aug 13
ORD11:25 amChicago O'Hare Intl
19h 25m
1 stop
CGN1:50 pmCologne Köln/Bonn
Aug 26
CGN7:10 pmCologne Köln/Bonn
21h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$866
Turkish Airlines
Aug 13
ORD8:10 pmChicago O'Hare Intl
15h 00m
1 stop
CGN6:10 pmCologne Köln/Bonn
Aug 26
CGN7:10 pmCologne Köln/Bonn
21h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$867
Turkish Airlines
Sep 14
ORD8:10 pmChicago O'Hare Intl
15h 00m
1 stop
CGN6:10 pmCologne Köln/Bonn
Sep 23
CGN7:10 pmCologne Köln/Bonn
21h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
$869

Lufthansa flights from Chicago O'Hare Intl Airport to Cologne

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Cologne flight tickets
Lufthansa
Aug 12
ORD9:40 pmChicago O'Hare Intl
14h 50m
1 stop
CGN7:30 pmCologne Köln/Bonn
Aug 26
CGN8:30 amCologne Köln/Bonn
18h 51m
2 stops
ORD8:21 pmChicago O'Hare Intl
$901
Lufthansa
Aug 17
ORD3:35 pmChicago O'Hare Intl
18h 45m
1 stop
CGN5:20 pmCologne Köln/Bonn
Aug 24
CGN6:05 pmCologne Köln/Bonn
31h 10m
1 stop
ORD6:15 pmChicago O'Hare Intl
$913
Lufthansa
Aug 13
ORD3:35 pmChicago O'Hare Intl
19h 05m
1 stop
CGN5:40 pmCologne Köln/Bonn
Aug 26
CGN1:05 pmCologne Köln/Bonn
12h 10m
1 stop
ORD6:15 pmChicago O'Hare Intl
$914

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 8/19

10:25 pm-1:05 am

2 stops19h 40m

Cologne Köln/Bonn

Wed 8/26

9:15 am-12:40 pm

2 stops34h 25m

$747

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 8/12

6:00 pm-10:45 pm

2 stops21h 45m

Cologne Köln/Bonn

Wed 8/26

9:15 am-12:40 pm

2 stops34h 25m

$824

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 8/13

9:00 pm-10:30 pm

1 stop18h 30m

Cologne Köln/Bonn

Wed 8/26

12:20 pm-7:15 pm

2 stops37h 55m

$838

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 8/17

7:25 pm-9:15 pm

2 stops18h 50m

Cologne Köln/Bonn

Mon 8/24

7:05 pm-8:29 pm

3 stops32h 24m

$843

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 9/14

7:25 pm-10:40 pm

2 stops20h 15m

Cologne Köln/Bonn

Wed 9/23

9:15 am-2:00 pm

2 stops35h 45m

$852

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 8/17

7:25 pm-9:15 pm

2 stops18h 50m

Cologne Köln/Bonn

Mon 8/24

6:30 am-9:25 pm

2 stops21h 55m

$865

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 8/13

11:25 am-1:50 pm

1 stop19h 25m

Cologne Köln/Bonn

Wed 8/26

7:10 pm-9:40 am

1 stop21h 30m

$866
Quickest round-trip

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 8/13

8:10 pm-6:10 pm

1 stop15h 00m

Cologne Köln/Bonn

Wed 8/26

7:10 pm-9:40 am

1 stop21h 30m

$867

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 9/14

3:40 pm-10:50 pm

3 stops24h 10m

Cologne Köln/Bonn

Wed 9/23

10:50 pm-7:48 pm

3 stops27h 58m

$868

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 9/14

8:10 pm-6:10 pm

1 stop15h 00m

Cologne Köln/Bonn

Wed 9/23

7:10 pm-9:40 am

1 stop21h 30m

$869

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cologne from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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

What is the cheapest airline that flies from Chicago O'Hare Intl to Cologne Köln/Bonn?

Turkish Airlines is the most popular carrier operating from Chicago O'Hare Intl to Cologne Köln/Bonn

What airlines fly to Cologne?

Lufthansa, United Airlines and Scandinavian Airlines are the top three most popular airlines that fly to Cologne from Chicago O'Hare Intl Airport according to our data. Lufthansa is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Cologne. Keep in mind that there are 9 different airlines that fly to Cologne on a routine basis, so you have a few additional options to choose from.

When to book flights from Chicago O'Hare Intl Airport to Cologne

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Cologne according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Cologne (ORD to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Cologne

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Cologne takes 12h 40m
There are no direct flights from Chicago O'Hare Intl Airport to Cologne. There are no popular flight routes from Chicago O'Hare Intl Airport to Cologne.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Cologne

  • How far is Chicago O'Hare Intl to Cologne Köln/Bonn by plane?

    A flight from Chicago O'Hare Intl to Cologne Köln/Bonn will travel around 4234.8 mi. In terms of flight time, this usually takes a little over 12h 40m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Cologne Köln/Bonn Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Cologne Köln/Bonn Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Cologne Köln/Bonn Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Cologne Köln/Bonn Airport.

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

    The required travel and health documents for your Cologne Köln/Bonn Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cologne Köln/Bonn Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Cologne. momondo saves you time and could save you money on your trip.

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?

momondo provides multiple filters to help you find the best flight to Cologne from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Cologne from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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