What is the cheapest airline that flies from Cologne Köln/Bonn to Illinois?

British Airways is the most popular carrier operating from Cologne Köln/Bonn to Illinois

What airlines fly to Illinois?

Lufthansa, United Airlines and British Airways are the top three most popular airlines that fly to Illinois from Cologne according to our data. Lufthansa is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Illinois?

Prices for flights from Cologne Köln/Bonn Airport to Illinois are refreshed on a daily basis.

How old do you have to be to fly from Cologne Köln/Bonn Airport to Illinois?

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 Cologne Köln/Bonn Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$390 Cheap Flights from Cologne to Illinois in 2025/26

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Find the cheapest flights from Cologne to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:35 pm - 6:25 pm

CGN

ORD

11h 50m1 stop

1:00 pm - 10:00 pm

ORD

CGN

26h 00m2 stops

$577Multiple Airlines

Thu, Jan 15 - Mon, Jan 19

9:10 am - 6:25 pm

CGN

ORD

16h 15m1 stop

9:50 pm - 6:55 pm

ORD

CGN

14h 05m1 stop

$587Lufthansa

Thu, Jan 15 - Mon, Jan 19

1:35 pm - 6:25 pm

CGN

ORD

11h 50m1 stop

9:50 pm - 6:55 pm

ORD

CGN

14h 05m1 stop

$588Lufthansa

Thu, Jan 15 - Mon, Jan 19

1:15 pm - 6:25 pm

CGN

ORD

12h 10m1 stop

9:50 pm - 5:10 pm

ORD

CGN

12h 20m1 stop

$590Lufthansa

Sat, Jan 31 - Sat, Feb 7

9:10 am - 2:10 pm

CGN

ORD

12h 00m1 stop

6:00 pm - 12:30 pm

ORD

CGN

11h 30m1 stop

$607United Airlines

Sat, Jan 31 - Sat, Feb 7

9:10 am - 6:37 pm

CGN

ORD

16h 27m2 stops

3:55 pm - 12:30 pm

ORD

CGN

13h 35m2 stops

$620United Airlines

Sat, Jan 31 - Sat, Feb 7

8:40 am - 8:10 pm

CGN

ORD

18h 30m2 stops

3:35 pm - 12:10 pm

ORD

CGN

13h 35m2 stops

$623Air Canada

Thu, Jan 15 - Mon, Jan 19

8:40 am - 5:48 pm

CGN

ORD

16h 08m2 stops

12:50 pm - 12:10 pm

ORD

CGN

16h 20m2 stops

$624Air Canada

Thu, Jan 15 - Mon, Jan 19

8:40 am - 5:48 pm

CGN

ORD

16h 08m2 stops

12:50 pm - 12:10 pm

ORD

CGN

16h 20m2 stops

$631Air Canada

Mon, Feb 16 - Thu, Feb 26

5:05 pm - 10:59 pm

CGN

STL

36h 54m2 stops

2:54 pm - 4:10 pm

STL

CGN

18h 16m2 stops

$826British Airways

Thu, Jan 22 - Mon, Jan 26

Lufthansa flights from Cologne to Illinois

Our best Lufthansa deals on Cologne to Illinois flight tickets

Lufthansa

Jan 15

CGN9:10 amCologne Köln/Bonn

16h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

Jan 19

ORD9:50 pmChicago O'Hare Intl

14h 05m

1 stop

CGN6:55 pmCologne Köln/Bonn

$587

Find similar

Lufthansa

Jan 15

CGN1:35 pmCologne Köln/Bonn

11h 50m

1 stop

ORD6:25 pmChicago O'Hare Intl

Jan 19

ORD9:50 pmChicago O'Hare Intl

14h 05m

1 stop

CGN6:55 pmCologne Köln/Bonn

$588

Find similar

Lufthansa

Jan 31

CGN1:15 pmCologne Köln/Bonn

12h 10m

1 stop

ORD6:25 pmChicago O'Hare Intl

Feb 7

ORD9:50 pmChicago O'Hare Intl

12h 20m

1 stop

CGN5:10 pmCologne Köln/Bonn

$590

Find similar

Air Canada flights from Cologne to Illinois

Our best Air Canada deals on Cologne to Illinois flight tickets

Air Canada

Jan 15

CGN8:40 amCologne Köln/Bonn

18h 30m

2 stops

ORD8:10 pmChicago O'Hare Intl

Jan 19

ORD3:35 pmChicago O'Hare Intl

13h 35m

2 stops

CGN12:10 pmCologne Köln/Bonn

$623

Find similar

Air Canada

Jan 15

CGN8:40 amCologne Köln/Bonn

16h 08m

2 stops

ORD5:48 pmChicago O'Hare Intl

Jan 19

ORD12:50 pmChicago O'Hare Intl

16h 20m

2 stops

CGN12:10 pmCologne Köln/Bonn

$624

Find similar

Air Canada

Feb 26

CGN8:40 amCologne Köln/Bonn

18h 30m

2 stops

ORD8:10 pmChicago O'Hare Intl

Mar 5

ORD12:50 pmChicago O'Hare Intl

16h 20m

2 stops

CGN12:10 pmCologne Köln/Bonn

$627

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Thu 1/15

1:35 pm-6:25 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 1/19

1:00 pm-10:00 pm

2 stops26h 00m

$577

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Thu 1/15

9:10 am-6:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Mon 1/19

9:50 pm-6:55 pm

1 stop14h 05m

$587

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Thu 1/15

1:35 pm-6:25 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 1/19

9:50 pm-6:55 pm

1 stop14h 05m

$588

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 1/31

1:15 pm-6:25 pm

1 stop12h 10m

Chicago O'Hare Intl

Sat 2/7

9:50 pm-5:10 pm

1 stop12h 20m

$590

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 1/31

9:10 am-2:10 pm

1 stop12h 00m

Chicago O'Hare Intl

Sat 2/7

6:00 pm-12:30 pm

1 stop11h 30m

$607

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sat 1/31

9:10 am-6:37 pm

2 stops16h 27m

Chicago O'Hare Intl

Sat 2/7

3:55 pm-12:30 pm

2 stops13h 35m

$620

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Thu 1/15

8:40 am-8:10 pm

2 stops18h 30m

Chicago O'Hare Intl

Mon 1/19

3:35 pm-12:10 pm

2 stops13h 35m

$623

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Thu 1/15

8:40 am-5:48 pm

2 stops16h 08m

Chicago O'Hare Intl

Mon 1/19

12:50 pm-12:10 pm

2 stops16h 20m

$624

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Mon 2/16

8:40 am-5:48 pm

2 stops16h 08m

Chicago O'Hare Intl

Thu 2/26

12:50 pm-12:10 pm

2 stops16h 20m

$631

CologneSt. Louis

CGN - STL

CGNSTL

Cologne Köln/Bonn

Thu 1/22

5:05 pm-10:59 pm

2 stops36h 54m

Lambert-St Louis

Mon 1/26

2:54 pm-4:10 pm

2 stops18h 16m

$826

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cologne to Illinois

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

Prices

Airlines

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Cologne to Illinois during this time can be as low as $884. Flights at noon are often more expensive with an average ticket price of $918.

Can stopping save me money on Cologne to Illinois flights?

You could potentially save up to 20% on your flight if you consider stops on a Cologne to Illinois flight.

Cheap Cologne to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cologne to Illinois

Fastest flight time	11h 50m
Direct flights	None

The fastest flight from Cologne to Illinois takes 11h 50m

There are no direct flights from Cologne to Illinois. There are no popular flight routes from Cologne to Illinois.

Search flight deals

When did momondo last update prices for flights from Cologne Köln/Bonn Airport to Illinois?
Prices for flights from Cologne Köln/Bonn Airport to Illinois are refreshed on a daily basis.
How old do you have to be to fly from Cologne Köln/Bonn Airport to Illinois?
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 Cologne Köln/Bonn Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Cologne to Illinois. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Cologne to Illinois with flexible booking policies on momondo?

All flight searches from Cologne to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Cologne to Illinois?

Once you have performed a search for Cologne to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Cologne and alert you when they change.