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Cheap flights from Chicago O'Hare Intl Airport to Cologne from $330

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 10/19. 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
7:15 pm - 9:05 pmORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
18h 50m2 stops Kastrup Copenhagen Stockholm Arlanda
Multiple Airlines Logo
11:50 am - 4:10 pmCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
35h 20m2 stops Stockholm Arlanda Kastrup Copenhagen
$733Multiple Airlines
Tue, Oct 6 - Tue, Oct 20
Multiple Airlines Logo
11:25 am - 9:05 pmORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
26h 40m2 stops Istanbul Stockholm Arlanda
Multiple Airlines Logo
11:50 am - 9:40 amCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
28h 50m2 stops Stockholm Arlanda Istanbul
$810Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
7:25 pm - 10:50 pmORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
20h 25m3 stops Reykjavik Keflavik Intl Manchester Dublin
Multiple Airlines Logo
8:10 pm - 2:15 pmCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
25h 05m2 stops Barcelona-El Prat Amsterdam Schiphol
$810Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Multiple Airlines Logo
11:25 am - 9:05 pmORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
26h 40m2 stops Istanbul Stockholm Arlanda
Multiple Airlines Logo
11:50 am - 9:40 amCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
28h 50m2 stops Stockholm Arlanda Istanbul
$832Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Lufthansa Logo
9:50 pm - 7:35 pmORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
14h 45m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:40 pm - 6:25 pmCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
31h 45m1 stop Munich Franz Josef Strauss
$838Lufthansa
Tue, Nov 3 - Mon, Nov 9
Turkish Airlines Logo
8:10 pm - 9:25 amORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
30h 15m1 stop Istanbul
Turkish Airlines Logo
7:15 pm - 9:40 amCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
21h 25m1 stop Istanbul
$840Turkish Airlines
Tue, Sep 29 - Tue, Oct 6
Turkish Airlines Logo
8:10 pm - 9:25 amORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
30h 15m1 stop Istanbul
Turkish Airlines Logo
7:15 pm - 9:40 amCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
21h 25m1 stop Istanbul
$841Turkish Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
9:50 pm - 7:35 pmORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
14h 45m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
8:20 pm - 5:43 pmCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
28h 23m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$846Multiple Airlines
Tue, Nov 3 - Mon, Nov 9
United Airlines Logo
6:00 pm - 4:55 pmORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
15h 55m1 stop Munich Franz Josef Strauss
United Airlines Logo
9:20 am - 6:25 pmCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
16h 05m1 stop Munich Franz Josef Strauss
$850United Airlines
Wed, Nov 18 - Sun, Nov 22
Lufthansa Logo
9:50 pm - 7:35 pmORD  Chicago O'Hare Intl-CGN Cologne Köln/Bonn
14h 45m1 stop Munich Franz Josef Strauss
Lufthansa Logo
1:10 pm - 6:25 pmCGN  Cologne Köln/Bonn-ORD Chicago O'Hare Intl
12h 15m1 stop Munich Franz Josef Strauss
$945Lufthansa
Sat, Dec 12 - Wed, Dec 16

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British Airways flights from Chicago O'Hare Intl Airport to Cologne

Our best British Airways deals on Chicago O'Hare Intl Airport to Cologne flight tickets
British Airways
Nov 25
ORD5:10 pmChicago O'Hare Intl
19h 20m
1 stop
CGN7:30 pmCologne Köln/Bonn
Nov 30
CGN9:00 pmCologne Köln/Bonn
25h 30m
1 stop
ORD3:30 pmChicago O'Hare Intl
$837
British Airways
Nov 25
ORD3:16 pmChicago O'Hare Intl
21h 14m
2 stops
CGN7:30 pmCologne Köln/Bonn
Nov 30
CGN9:00 pmCologne Köln/Bonn
23h 45m
1 stop
ORD1:45 pmChicago O'Hare Intl
$842
British Airways
Nov 25
ORD3:16 pmChicago O'Hare Intl
21h 14m
2 stops
CGN7:30 pmCologne Köln/Bonn
Nov 30
CGN9:00 pmCologne Köln/Bonn
26h 56m
2 stops
ORD4:56 pmChicago O'Hare Intl
$852

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
Nov 3
ORD9:50 pmChicago O'Hare Intl
14h 45m
1 stop
CGN7:35 pmCologne Köln/Bonn
Nov 9
CGN5:40 pmCologne Köln/Bonn
31h 45m
1 stop
ORD6:25 pmChicago O'Hare Intl
$838
Lufthansa
Aug 20
ORD9:40 pmChicago O'Hare Intl
13h 00m
1 stop
CGN5:40 pmCologne Köln/Bonn
Aug 23
CGN1:05 pmCologne Köln/Bonn
12h 10m
1 stop
ORD6:15 pmChicago O'Hare Intl
$1,029
Lufthansa
Aug 31
ORD9:40 pmChicago O'Hare Intl
12h 40m
1 stop
CGN5:20 pmCologne Köln/Bonn
Sep 6
CGN1:05 pmCologne Köln/Bonn
12h 10m
1 stop
ORD6:15 pmChicago O'Hare Intl
$1,163

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 August 17, 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 Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Tue 10/6

7:15 pm-9:05 pm

2 stops18h 50m

Cologne Köln/Bonn

Tue 10/20

11:50 am-4:10 pm

2 stops35h 20m

$733

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Tue 9/29

11:25 am-9:05 pm

2 stops26h 40m

Cologne Köln/Bonn

Tue 10/6

11:50 am-9:40 am

2 stops28h 50m

$810

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Mon 9/28

7:25 pm-10:50 pm

3 stops20h 25m

Cologne Köln/Bonn

Mon 10/5

8:10 pm-2:15 pm

2 stops25h 05m

$810

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Tue 9/29

11:25 am-9:05 pm

2 stops26h 40m

Cologne Köln/Bonn

Tue 10/6

11:50 am-9:40 am

2 stops28h 50m

$832

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Tue 11/3

9:50 pm-7:35 pm

1 stop14h 45m

Cologne Köln/Bonn

Mon 11/9

5:40 pm-6:25 pm

1 stop31h 45m

$838

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Tue 9/29

8:10 pm-9:25 am

1 stop30h 15m

Cologne Köln/Bonn

Tue 10/6

7:15 pm-9:40 am

1 stop21h 25m

$840

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Wed 9/30

8:10 pm-9:25 am

1 stop30h 15m

Cologne Köln/Bonn

Wed 10/7

7:15 pm-9:40 am

1 stop21h 25m

$841

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Tue 11/3

9:50 pm-7:35 pm

1 stop14h 45m

Cologne Köln/Bonn

Mon 11/9

8:20 pm-5:43 pm

2 stops28h 23m

$846

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Wed 11/18

6:00 pm-4:55 pm

1 stop15h 55m

Cologne Köln/Bonn

Sun 11/22

9:20 am-6:25 pm

1 stop16h 05m

$850
Quickest round-trip

ChicagoCologne

ORD Chicago O'Hare Intl - CGN Cologne Köln/Bonn

ORDCGN

Chicago O'Hare Intl

Sat 12/12

9:50 pm-7:35 pm

1 stop14h 45m

Cologne Köln/Bonn

Wed 12/16

1:10 pm-6:25 pm

1 stop12h 15m

$945

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?

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

What airlines fly to Cologne?

Scandinavian Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to Cologne from Chicago O'Hare Intl Airport according to our data. Scandinavian Airlines is the first choice among our users, with 30% 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

13h 00m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Cologne takes 13h 00m
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 13h 00m.

  • 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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