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Cheap flights from Chicago O'Hare Intl Airport to Cologne from $245

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 1/29. 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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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.
British Airways Logo
9:15 pm - 9:25 pmORD-CGN
17h 10m1 stop
British Airways Logo
3:30 pm - 3:55 pmCGN-ORD
31h 25m1 stop
$603British Airways
Find Deal
Tue, Apr 14 - Tue, May 12
British Airways Logo
6:25 pm - 10:10 amORD-CGN
32h 45m1 stop
British Airways Logo
12:00 pm - 6:45 pmCGN-ORD
13h 45m1 stop
$627British Airways
Find Deal
Mon, Dec 1 - Wed, Dec 17
Turkish Airlines Logo
11:50 am - 10:35 amORD-CGN
15h 45m1 stop
Turkish Airlines Logo
11:35 am - 10:05 amCGN-ORD
29h 30m1 stop
$650Turkish Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
Turkish Airlines Logo
11:50 am - 5:15 pmORD-CGN
22h 25m1 stop
Turkish Airlines Logo
11:35 am - 6:25 pmCGN-ORD
37h 50m1 stop
$699Turkish Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 11
Multiple Airlines Logo
6:30 pm - 9:30 pmORD-CGN
20h 00m2 stops
Multiple Airlines Logo
10:35 am - 3:25 pmCGN-ORD
35h 50m2 stops
$785Multiple Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 11
Air Canada Logo
12:50 pm - 11:10 amORD-CGN
15h 20m2 stops
Air Canada Logo
6:50 am - 4:05 pmCGN-ORD
16h 15m2 stops
$830Air Canada
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Tue, Apr 14 - Tue, May 12
Multiple Airlines Logo
6:50 pm - 11:35 pmORD-CGN
21h 45m3 stops
Multiple Airlines Logo
12:55 am - 8:05 pmCGN-ORD
26h 10m3 stops
$866Multiple Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
United Airlines Logo
9:20 pm - 11:10 amORD-CGN
30h 50m1 stop
United Airlines Logo
6:20 am - 3:55 pmCGN-ORD
16h 35m1 stop
$1,018United Airlines
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Sun, Apr 5 - Wed, Apr 8
Air Canada Logo
12:50 pm - 12:10 pmORD-CGN
16h 20m2 stops
Air Canada Logo
9:10 am - 5:48 pmCGN-ORD
15h 38m2 stops
$1,088Air Canada
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Fri, Nov 28 - Fri, Dec 5
United Airlines Logo
9:50 pm - 12:50 pmORD-CGN
32h 00m1 stop
United Airlines Logo
9:10 am - 6:39 pmCGN-ORD
16h 29m2 stops
$1,284United Airlines
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Sun, Nov 23 - Sun, Nov 30

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 23
ORD9:50 pmChicago O'Hare Intl
12h 20m
1 stop
CGN5:10 pmCologne Köln/Bonn
Nov 30
CGN5:55 pmCologne Köln/Bonn
31h 30m
1 stop
ORD6:25 pmChicago O'Hare Intl
$1,239
Find similar
Lufthansa
Nov 23
ORD9:50 pmChicago O'Hare Intl
14h 45m
1 stop
CGN7:35 pmCologne Köln/Bonn
Nov 30
CGN5:55 pmCologne Köln/Bonn
26h 15m
2 stops
ORD1:10 pmChicago O'Hare Intl
$1,242
Find similar
Lufthansa
Nov 22
ORD6:00 pmChicago O'Hare Intl
35h 35m
2 stops
CGN12:35 pmCologne Köln/Bonn
Nov 30
CGN8:10 pmCologne Köln/Bonn
29h 15m
1 stop
ORD6:25 pmChicago O'Hare Intl
$1,261
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
Apr 14
ORD9:15 pmChicago O'Hare Intl
17h 10m
1 stop
CGN9:25 pmCologne Köln/Bonn
May 12
CGN3:30 pmCologne Köln/Bonn
31h 25m
1 stop
ORD3:55 pmChicago O'Hare Intl
$603
Find similar
British Airways
Dec 1
ORD6:25 pmChicago O'Hare Intl
32h 45m
1 stop
CGN10:10 amCologne Köln/Bonn
Dec 17
CGN12:00 pmCologne Köln/Bonn
13h 45m
1 stop
ORD6:45 pmChicago O'Hare Intl
$627
Find similar
British Airways
Dec 1
ORD4:06 pmChicago O'Hare Intl
35h 04m
2 stops
CGN10:10 amCologne Köln/Bonn
Dec 17
CGN12:00 pmCologne Köln/Bonn
32h 50m
1 stop
ORD1:50 pmChicago O'Hare Intl
$656
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 November 4, 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

Tue 4/14

9:15 pm-9:25 pm

1 stop17h 10m

Cologne Köln/Bonn

Tue 5/12

3:30 pm-3:55 pm

1 stop31h 25m

$603

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 12/1

6:25 pm-10:10 am

1 stop32h 45m

Cologne Köln/Bonn

Wed 12/17

12:00 pm-6:45 pm

1 stop13h 45m

$627

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Fri 11/28

11:50 am-10:35 am

1 stop15h 45m

Cologne Köln/Bonn

Fri 12/5

11:35 am-10:05 am

1 stop29h 30m

$650

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 12/4

11:50 am-5:15 pm

1 stop22h 25m

Cologne Köln/Bonn

Thu 12/11

11:35 am-6:25 pm

1 stop37h 50m

$699

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 12/4

6:30 pm-9:30 pm

2 stops20h 00m

Cologne Köln/Bonn

Thu 12/11

10:35 am-3:25 pm

2 stops35h 50m

$785

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Tue 4/14

12:50 pm-11:10 am

2 stops15h 20m

Cologne Köln/Bonn

Tue 5/12

6:50 am-4:05 pm

2 stops16h 15m

$830

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 12/4

6:50 pm-11:35 pm

3 stops21h 45m

Cologne Köln/Bonn

Wed 12/10

12:55 am-8:05 pm

3 stops26h 10m

$866

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-3:55 pm

1 stop16h 35m

$1,018

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

9:10 am-5:48 pm

2 stops15h 38m

$1,088

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 11/23

9:50 pm-12:50 pm

1 stop32h 00m

Cologne Köln/Bonn

Sun 11/30

9:10 am-6:39 pm

2 stops16h 29m

$1,284

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 $656.

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

Direct flights

None
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.
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  • 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 11h 30m.

  • 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 $560Free CancellationRating
6.7
7,496 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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