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Cheap flights from Chicago to Cologne from $456

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 to Cologne departing on 12/14. 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 to Cologne

Cheap round-trip flights

British Airways Logo
9:45 pm - 10:10 amORD-CGN
29h 25m1 stop
British Airways Logo
5:15 pm - 1:50 pmCGN-ORD
27h 35m1 stop
$624British Airways
Find Deal
Mon, Dec 1 - Mon, Dec 8
British Airways Logo
9:15 pm - 8:25 pmORD-CGN
16h 10m1 stop
British Airways Logo
5:15 pm - 2:50 pmCGN-ORD
27h 35m1 stop
$638British Airways
Find Deal
Sun, Oct 12 - Mon, Oct 27
British Airways Logo
10:12 pm - 4:30 pmORD-CGN
35h 18m2 stops
British Airways Logo
5:15 pm - 6:45 pmCGN-ORD
32h 30m1 stop
$639British Airways
Find Deal
Mon, Dec 1 - Mon, Dec 8
British Airways Logo
6:10 pm - 3:40 pmORD-CGN
15h 30m1 stop
British Airways Logo
5:05 pm - 1:50 pmCGN-ORD
27h 45m1 stop
$674British Airways
Find Deal
Thu, Oct 30 - Thu, Nov 6
British Airways Logo
9:15 pm - 8:30 pmORD-CGN
16h 15m1 stop
British Airways Logo
5:15 pm - 7:45 pmCGN-ORD
32h 30m1 stop
$683British Airways
Find Deal
Mon, Oct 13 - Mon, Oct 27
British Airways Logo
9:15 pm - 9:45 amORD-CGN
29h 30m1 stop
British Airways Logo
5:15 pm - 2:50 pmCGN-ORD
27h 35m1 stop
$688British Airways
Find Deal
Sat, Oct 11 - Mon, Oct 27
Multiple Airlines Logo
8:50 pm - 9:15 pmORD-CGN
18h 25m2 stops
Multiple Airlines Logo
6:45 am - 4:45 pmCGN-ORD
17h 00m2 stops
$733Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Turkish Airlines Logo
11:45 pm - 9:30 amORD-CGN
26h 45m1 stop
Turkish Airlines Logo
11:35 am - 11:05 amCGN-ORD
29h 30m1 stop
$827Turkish Airlines
Find Deal
Mon, Oct 13 - Wed, Oct 29
Turkish Airlines Logo
11:45 pm - 1:50 pmORD-CGN
31h 05m1 stop
Turkish Airlines Logo
11:35 am - 11:05 amCGN-ORD
29h 30m1 stop
$839Turkish Airlines
Find Deal
Mon, Oct 13 - Sun, Oct 26
Turkish Airlines Logo
7:50 pm - 6:15 pmORD-CGN
15h 25m1 stop
Turkish Airlines Logo
6:15 pm - 11:05 amCGN-ORD
22h 50m1 stop
$847Turkish Airlines
Find Deal
Sun, Oct 12 - Wed, Oct 29

Turkish Airlines flights from Chicago to Cologne

Our best Turkish Airlines deals on Chicago to Cologne flight tickets
Turkish Airlines
Oct 13
ORD11:45 pmChicago O'Hare Intl
26h 45m
1 stop
CGN9:30 amCologne Köln/Bonn
Oct 29
CGN11:35 amCologne Köln/Bonn
29h 30m
1 stop
ORD11:05 amChicago O'Hare Intl
$827
Find similar
Turkish Airlines
Oct 13
ORD11:45 pmChicago O'Hare Intl
31h 05m
1 stop
CGN1:50 pmCologne Köln/Bonn
Oct 26
CGN11:35 amCologne Köln/Bonn
29h 30m
1 stop
ORD11:05 amChicago O'Hare Intl
$839
Find similar
Turkish Airlines
Oct 12
ORD7:50 pmChicago O'Hare Intl
15h 25m
1 stop
CGN6:15 pmCologne Köln/Bonn
Oct 29
CGN6:15 pmCologne Köln/Bonn
22h 50m
1 stop
ORD11:05 amChicago O'Hare Intl
$847
Find similar

British Airways flights from Chicago to Cologne

Our best British Airways deals on Chicago to Cologne flight tickets
British Airways
Dec 1
ORD9:45 pmChicago O'Hare Intl
29h 25m
1 stop
CGN10:10 amCologne Köln/Bonn
Dec 8
CGN5:15 pmCologne Köln/Bonn
27h 35m
1 stop
ORD1:50 pmChicago O'Hare Intl
$624
Find similar
British Airways
Oct 12
ORD9:15 pmChicago O'Hare Intl
16h 10m
1 stop
CGN8:25 pmCologne Köln/Bonn
Oct 27
CGN5:15 pmCologne Köln/Bonn
27h 35m
1 stop
ORD2:50 pmChicago O'Hare Intl
$638
Find similar
British Airways
Dec 1
ORD10:12 pmChicago O'Hare Intl
35h 18m
2 stops
CGN4:30 pmCologne Köln/Bonn
Dec 8
CGN5:15 pmCologne Köln/Bonn
32h 30m
1 stop
ORD6:45 pmChicago O'Hare Intl
$639
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 September 16, 2025.
Use the filters below to find and compare flights from Chicago to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 12/1

9:45 pm-10:10 am

1 stop29h 25m

Cologne Köln/Bonn

Mon 12/8

5:15 pm-1:50 pm

1 stop27h 35m

$624

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 10/12

9:15 pm-8:25 pm

1 stop16h 10m

Cologne Köln/Bonn

Mon 10/27

5:15 pm-2:50 pm

1 stop27h 35m

$638

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 12/1

10:12 pm-4:30 pm

2 stops35h 18m

Cologne Köln/Bonn

Mon 12/8

5:15 pm-6:45 pm

1 stop32h 30m

$639

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 10/30

6:10 pm-3:40 pm

1 stop15h 30m

Cologne Köln/Bonn

Thu 11/6

5:05 pm-1:50 pm

1 stop27h 45m

$674

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 10/13

9:15 pm-8:30 pm

1 stop16h 15m

Cologne Köln/Bonn

Mon 10/27

5:15 pm-7:45 pm

1 stop32h 30m

$683

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sat 10/11

9:15 pm-9:45 am

1 stop29h 30m

Cologne Köln/Bonn

Mon 10/27

5:15 pm-2:50 pm

1 stop27h 35m

$688

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Thu 10/30

8:50 pm-9:15 pm

2 stops18h 25m

Cologne Köln/Bonn

Thu 11/6

6:45 am-4:45 pm

2 stops17h 00m

$733

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 10/13

11:45 pm-9:30 am

1 stop26h 45m

Cologne Köln/Bonn

Wed 10/29

11:35 am-11:05 am

1 stop29h 30m

$827

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Mon 10/13

11:45 pm-1:50 pm

1 stop31h 05m

Cologne Köln/Bonn

Sun 10/26

11:35 am-11:05 am

1 stop29h 30m

$839

ChicagoCologne

ORD - CGN

ORDCGN

Chicago O'Hare Intl

Sun 10/12

7:50 pm-6:15 pm

1 stop15h 25m

Cologne Köln/Bonn

Wed 10/29

6:15 pm-11:05 am

1 stop22h 50m

$847

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 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 is in February. Flight prices, which tend to average around $579, 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 during the month March is also very affordable. Most momondo users find prices during this month for around $643.

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

Direct flights

None
There are no direct flights from Chicago to Cologne. There are no popular flight routes from Chicago to Cologne.
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  • 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 12h 05m, 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?

  • 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?

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 AirwaysPriceFrom $560Free CancellationRating
6.7
7,363 reviews
Search British Airways 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.

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