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Cheap flights from Chicago O'Hare Intl Airport to Cologne from $307

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 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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.
Turkish Airlines Logo
8:20 pm - 10:35 am
ORD
-
CGN
31h 15m1 stop
Turkish Airlines Logo
6:15 pm - 6:25 pm
CGN
-
ORD
31h 10m1 stop
$593Turkish Airlines
Fri, Feb 20 - Sun, Feb 22
Turkish Airlines Logo
11:50 am - 10:35 am
ORD
-
CGN
15h 45m1 stop
Turkish Airlines Logo
11:35 am - 6:25 pm
CGN
-
ORD
37h 50m1 stop
$619Turkish Airlines
Wed, Feb 4 - Wed, Feb 11
British Airways Logo
8:37 am - 4:10 pm
ORD
-
CGN
24h 33m2 stops
British Airways Logo
5:15 pm - 6:02 pm
CGN
-
ORD
31h 47m2 stops
$649British Airways
Wed, Feb 11 - Wed, Feb 18
British Airways Logo
9:45 pm - 4:10 pm
ORD
-
CGN
11h 25m1 stop
British Airways Logo
5:15 pm - 6:02 pm
CGN
-
ORD
31h 47m2 stops
$652British Airways
Wed, Feb 11 - Wed, Feb 18
British Airways Logo
5:25 pm - 3:40 pm
ORD
-
CGN
39h 15m2 stops
British Airways Logo
5:15 pm - 1:50 pm
CGN
-
ORD
27h 35m1 stop
$696British Airways
Wed, Feb 4 - Wed, Feb 11
British Airways Logo
5:10 pm - 3:40 pm
ORD
-
CGN
15h 30m1 stop
British Airways Logo
5:15 pm - 1:50 pm
CGN
-
ORD
27h 35m1 stop
$701British Airways
Thu, Jan 29 - Mon, Feb 2
Turkish Airlines Logo
11:50 am - 5:15 pm
ORD
-
CGN
22h 25m1 stop
Turkish Airlines Logo
6:15 pm - 10:05 am
CGN
-
ORD
22h 50m1 stop
$702Turkish Airlines
Wed, Jan 14 - Wed, Feb 4
Multiple Airlines Logo
7:10 pm - 9:10 pm
ORD
-
CGN
19h 00m2 stops
Multiple Airlines Logo
8:00 am - 9:39 am
CGN
-
ORD
32h 39m3 stops
$707Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Turkish Airlines Logo
11:50 am - 10:35 am
ORD
-
CGN
15h 45m1 stop
Turkish Airlines Logo
6:15 pm - 10:05 am
CGN
-
ORD
22h 50m1 stop
$712Turkish Airlines
Wed, Jan 14 - Thu, Jan 29
Multiple Airlines Logo
7:15 am - 9:10 pm
ORD
-
CGN
30h 55m3 stops
Multiple Airlines Logo
8:00 am - 9:39 am
CGN
-
ORD
32h 39m3 stops
$730Multiple Airlines
Wed, Feb 4 - Wed, Feb 11

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
Feb 20
ORD8:20 pmChicago O'Hare Intl
31h 15m
1 stop
CGN10:35 amCologne Köln/Bonn
Feb 22
CGN6:15 pmCologne Köln/Bonn
31h 10m
1 stop
ORD6:25 pmChicago O'Hare Intl
$593
Find similar
Turkish Airlines
Feb 4
ORD11:50 amChicago O'Hare Intl
15h 45m
1 stop
CGN10:35 amCologne Köln/Bonn
Feb 11
CGN11:35 amCologne Köln/Bonn
37h 50m
1 stop
ORD6:25 pmChicago O'Hare Intl
$619
Find similar
Turkish Airlines
Jan 14
ORD11:50 amChicago O'Hare Intl
22h 25m
1 stop
CGN5:15 pmCologne Köln/Bonn
Feb 4
CGN6:15 pmCologne Köln/Bonn
22h 50m
1 stop
ORD10:05 amChicago O'Hare Intl
$702
Find similar

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
Feb 11
ORD8:37 amChicago O'Hare Intl
24h 33m
2 stops
CGN4:10 pmCologne Köln/Bonn
Feb 18
CGN5:15 pmCologne Köln/Bonn
31h 47m
2 stops
ORD6:02 pmChicago O'Hare Intl
$649
Find similar
British Airways
Feb 11
ORD9:45 pmChicago O'Hare Intl
11h 25m
1 stop
CGN4:10 pmCologne Köln/Bonn
Feb 18
CGN5:15 pmCologne Köln/Bonn
31h 47m
2 stops
ORD6:02 pmChicago O'Hare Intl
$652
Find similar
British Airways
Feb 4
ORD5:25 pmChicago O'Hare Intl
39h 15m
2 stops
CGN3:40 pmCologne Köln/Bonn
Feb 11
CGN5:15 pmCologne Köln/Bonn
27h 35m
1 stop
ORD1:50 pmChicago O'Hare Intl
$696
Find similar

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 December 22, 2025.
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

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Fri 2/20

8:20 pm-10:35 am

1 stop31h 15m

Cologne Köln/Bonn

Sun 2/22

6:15 pm-6:25 pm

1 stop31h 10m

$593

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 2/4

11:50 am-10:35 am

1 stop15h 45m

Cologne Köln/Bonn

Wed 2/11

11:35 am-6:25 pm

1 stop37h 50m

$619

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 2/11

8:37 am-4:10 pm

2 stops24h 33m

Cologne Köln/Bonn

Wed 2/18

5:15 pm-6:02 pm

2 stops31h 47m

$649

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 2/11

9:45 pm-4:10 pm

1 stop11h 25m

Cologne Köln/Bonn

Wed 2/18

5:15 pm-6:02 pm

2 stops31h 47m

$652

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 2/4

5:25 pm-3:40 pm

2 stops39h 15m

Cologne Köln/Bonn

Wed 2/11

5:15 pm-1:50 pm

1 stop27h 35m

$696

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 1/29

5:10 pm-3:40 pm

1 stop15h 30m

Cologne Köln/Bonn

Mon 2/2

5:15 pm-1:50 pm

1 stop27h 35m

$701

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 1/14

11:50 am-5:15 pm

1 stop22h 25m

Cologne Köln/Bonn

Wed 2/4

6:15 pm-10:05 am

1 stop22h 50m

$702

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 2/4

7:10 pm-9:10 pm

2 stops19h 00m

Cologne Köln/Bonn

Wed 2/11

8:00 am-9:39 am

3 stops32h 39m

$707

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 1/14

11:50 am-10:35 am

1 stop15h 45m

Cologne Köln/Bonn

Thu 1/29

6:15 pm-10:05 am

1 stop22h 50m

$712

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Wed 2/4

7:15 am-9:10 pm

3 stops30h 55m

Cologne Köln/Bonn

Wed 2/11

8:00 am-9:39 am

3 stops32h 39m

$730

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 month to fly to Cologne?

The cheapest month to fly to Cologne from Chicago O'Hare Intl Airport is in February. Flight prices, which tend to average around $605, 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 O'Hare Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $630.

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

The cheapest day to depart from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 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

10h 55m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Cologne takes 10h 55m
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

  • 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 10h 55m.

  • 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 many operators does momondo search for flights from Chicago O'Hare Intl Airport to Cologne Köln/Bonn Airport?

  • 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.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Cologne?

Best airlines flying from Chicago O'Hare Intl Airport to Cologne

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Cologne with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $584Free CancellationRating
6.7
7,602 reviews
Search British Airways flights

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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