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

Lufthansa, British Airways, and Turkish Airlines are the most popular carriers operating from Cologne Köln/Bonn to Illinois

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.

$547 Cheap Flights from Cologne to Illinois in 2026

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0 bags

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Find the cheapest flights from Cologne to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 pm - 2:00 pm

CGN

ORD

24h 25m

1 stop

9:50 pm - 6:55 pm

ORD

CGN

14h 05m

1 stop

$547Multiple Airlines

Sun, Feb 22 - Mon, Mar 2

8:35 pm - 2:00 pm

CGN

ORD

24h 25m

1 stop

10:50 pm - 5:10 pm

ORD

CGN

12h 20m

1 stop

$549Multiple Airlines

Sun, Mar 1 - Mon, Mar 9

9:10 am - 6:25 pm

CGN

ORD

16h 15m

1 stop

3:55 pm - 9:15 pm

ORD

CGN

23h 20m

2 stops

$554Multiple Airlines

Sun, Mar 1 - Mon, Mar 9

9:10 am - 6:25 pm

CGN

ORD

16h 15m

1 stop

10:50 pm - 6:55 pm

ORD

CGN

14h 05m

1 stop

$565Lufthansa

Sun, Mar 1 - Mon, Mar 9

9:10 am - 2:10 pm

CGN

ORD

12h 00m

1 stop

6:00 pm - 12:50 pm

ORD

CGN

11h 50m

1 stop

$567United Airlines

Sun, Feb 22 - Mon, Mar 2

9:10 am - 2:10 pm

CGN

ORD

12h 00m

1 stop

7:00 pm - 12:50 pm

ORD

CGN

11h 50m

1 stop

$569United Airlines

Sun, Mar 1 - Mon, Mar 9

9:10 am - 2:10 pm

CGN

ORD

12h 00m

1 stop

7:00 pm - 12:50 pm

ORD

CGN

11h 50m

1 stop

$570United Airlines

Sun, Mar 1 - Mon, Mar 9

6:45 am - 4:39 pm

CGN

ORD

39h 54m

2 stops

7:15 am - 4:20 pm

ORD

CGN

27h 05m

2 stops

$574Air Canada

Mon, Mar 9 - Thu, Mar 19

9:10 am - 2:10 pm

CGN

ORD

12h 00m

1 stop

4:47 pm - 12:50 pm

ORD

CGN

14h 03m

2 stops

$575United Airlines

Sun, Mar 1 - Mon, Mar 9

6:55 pm - 5:48 pm

CGN

ORD

29h 53m

2 stops

3:55 pm - 12:10 pm

ORD

CGN

13h 15m

2 stops

$576Air Canada

Sun, Feb 22 - Mon, Mar 2

United Airlines flights from Cologne to Illinois

Our best United Airlines deals on Cologne to Illinois flight tickets

United Airlines

Mar 1

CGN9:10 amCologne Köln/Bonn

16h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

Mar 9

ORD7:00 pmChicago O'Hare Intl

11h 50m

1 stop

CGN12:50 pmCologne Köln/Bonn

$567

United Airlines

Mar 1

CGN9:10 amCologne Köln/Bonn

12h 00m

1 stop

ORD2:10 pmChicago O'Hare Intl

Mar 9

ORD7:00 pmChicago O'Hare Intl

11h 50m

1 stop

CGN12:50 pmCologne Köln/Bonn

$569

United Airlines

Mar 1

CGN9:10 amCologne Köln/Bonn

12h 00m

1 stop

ORD2:10 pmChicago O'Hare Intl

Mar 9

ORD7:00 pmChicago O'Hare Intl

11h 50m

1 stop

CGN12:50 pmCologne Köln/Bonn

$570

British Airways flights from Cologne to Illinois

Our best British Airways deals on Cologne to Illinois flight tickets

British Airways

Mar 1

CGN4:35 pmCologne Köln/Bonn

36h 56m

2 stops

ORD10:31 pmChicago O'Hare Intl

Mar 9

ORD6:54 pmChicago O'Hare Intl

15h 16m

2 stops

CGN4:10 pmCologne Köln/Bonn

$638

British Airways

Feb 19

CGN5:05 pmCologne Köln/Bonn

29h 20m

1 stop

ORD3:25 pmChicago O'Hare Intl

Feb 23

ORD9:45 pmChicago O'Hare Intl

11h 25m

1 stop

CGN4:10 pmCologne Köln/Bonn

$653

British Airways

Feb 19

CGN5:05 pmCologne Köln/Bonn

29h 20m

1 stop

ORD3:25 pmChicago O'Hare Intl

Feb 23

ORD4:10 pmChicago O'Hare Intl

17h 00m

2 stops

CGN4:10 pmCologne Köln/Bonn

$656

Fly from

Fly to

Route

Depart

Return

Price

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 2/22

8:35 pm-2:00 pm

1 stop24h 25m

Chicago O'Hare Intl

Mon 3/2

9:50 pm-6:55 pm

1 stop14h 05m

$547

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 3/1

8:35 pm-2:00 pm

1 stop24h 25m

Chicago O'Hare Intl

Mon 3/9

10:50 pm-5:10 pm

1 stop12h 20m

$549

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 3/1

9:10 am-6:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Mon 3/9

3:55 pm-9:15 pm

2 stops23h 20m

$554

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 3/1

9:10 am-6:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Mon 3/9

10:50 pm-6:55 pm

1 stop14h 05m

$565

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 2/22

9:10 am-2:10 pm

1 stop12h 00m

Chicago O'Hare Intl

Mon 3/2

6:00 pm-12:50 pm

1 stop11h 50m

$567

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 3/1

9:10 am-2:10 pm

1 stop12h 00m

Chicago O'Hare Intl

Mon 3/9

7:00 pm-12:50 pm

1 stop11h 50m

$569

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 3/1

9:10 am-2:10 pm

1 stop12h 00m

Chicago O'Hare Intl

Mon 3/9

7:00 pm-12:50 pm

1 stop11h 50m

$570

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Mon 3/9

6:45 am-4:39 pm

2 stops39h 54m

Chicago O'Hare Intl

Thu 3/19

7:15 am-4:20 pm

2 stops27h 05m

$574

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 3/1

9:10 am-2:10 pm

1 stop12h 00m

Chicago O'Hare Intl

Mon 3/9

4:47 pm-12:50 pm

2 stops14h 03m

$575

CologneChicago

CGN - ORD

CGNORD

Cologne Köln/Bonn

Sun 2/22

6:55 pm-5:48 pm

2 stops29h 53m

Chicago O'Hare Intl

Mon 3/2

3:55 pm-12:10 pm

2 stops13h 15m

$576

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

Can stopping save me money on Cologne to Illinois flights?

You could potentially save up to 8% 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	12h 15m
Direct flights	None

The fastest flight from Cologne to Illinois takes 12h 15m

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.