What airlines fly to Illinois?

Lufthansa, United Airlines and Scandinavian Airlines 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 67% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

SWISS is the most popular carrier 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.

$631 Cheap Flights from Cologne to Illinois in 2026/27

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.

1:35 pm - 6:25 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

11h 50m1 stop Munich Franz Josef Strauss

3:35 pm - 12:25 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

13h 50m1 stop Munich Franz Josef Strauss

$631Lufthansa

Thu, Mar 11 - Fri, Apr 2

9:20 am - 7:58 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

17h 38m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

3:45 pm - 12:50 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

14h 05m2 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss

$640Multiple Airlines

Fri, Jan 8 - Sat, Jan 30

9:20 am - 8:40 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

18h 20m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

9:50 pm - 4:55 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

12h 05m1 stop Munich Franz Josef Strauss

$644Multiple Airlines

Fri, Jan 8 - Sat, Jan 30

1:35 pm - 6:25 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

11h 50m1 stop Munich Franz Josef Strauss

9:50 pm - 4:55 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

12h 05m1 stop Munich Franz Josef Strauss

$649Lufthansa

Thu, Dec 3 - Tue, Dec 8

1:35 pm - 6:25 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

11h 50m1 stop Munich Franz Josef Strauss

9:50 pm - 7:35 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

14h 45m1 stop Munich Franz Josef Strauss

$652Lufthansa

Tue, Nov 10 - Mon, Dec 7

1:35 pm - 6:25 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

11h 50m1 stop Munich Franz Josef Strauss

10:05 am - 12:50 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

19h 45m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

$657Multiple Airlines

Tue, Nov 10 - Mon, Dec 7

1:10 pm - 6:25 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

12h 15m1 stop Munich Franz Josef Strauss

10:50 pm - 7:35 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

14h 45m1 stop Munich Franz Josef Strauss

$661Lufthansa

Wed, Mar 10 - Sun, Mar 14

6:20 am - 1:23 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

38h 03m2 stops Zurich Toronto Pearson Intl

7:09 am - 9:35 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

31h 26m2 stops Toronto Pearson Intl Zurich

$662Air Canada

Wed, Oct 14 - Sun, Oct 18

1:35 pm - 6:25 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

11h 50m1 stop Munich Franz Josef Strauss

6:04 pm - 5:40 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

16h 36m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

$663Lufthansa

Thu, Mar 11 - Fri, Apr 2

8:40 pm - 1:20 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

23h 40m1 stop Vienna Intl

7:00 pm - 7:35 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

18h 35m1 stop Munich Franz Josef Strauss

$668Multiple Airlines

Mon, Oct 19 - Sun, Oct 25

Cheap last minute flights

Enter your travel dates to find the best prices.

7:15 pm - 9:40 amCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

21h 25m1 stop Istanbul

8:10 pm - 9:25 amORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

30h 15m1 stop Istanbul

$1,309Turkish Airlines

Fri, Oct 2 - Tue, Oct 6

7:15 pm - 9:40 amCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

21h 25m1 stop Istanbul

8:10 pm - 9:25 amORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

30h 15m1 stop Istanbul

$1,332Turkish Airlines

Thu, Oct 1 - Tue, Oct 6

1:05 pm - 10:06 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

16h 01m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

9:20 pm - 5:05 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

36h 45m2 stops Toronto Pearson Intl Zurich

$1,339Air Canada

Thu, Oct 1 - Tue, Oct 6

6:20 am - 9:48 amCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

34h 28m2 stops Zurich Toronto Pearson Intl

10:43 am - 5:05 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

23h 22m2 stops Toronto Pearson Intl Zurich

$1,509Air Canada

Fri, Oct 2 - Tue, Oct 6

10:25 am - 9:40 amCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

30h 15m1 stop Istanbul

8:10 pm - 6:15 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

15h 05m1 stop Istanbul

$1,535Turkish Airlines

Thu, Oct 1 - Sun, Oct 4

1:05 pm - 10:06 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

16h 01m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

3:45 pm - 7:10 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

20h 25m2 stops Toronto Pearson Intl Zurich

$1,685Air Canada

Thu, Oct 1 - Sat, Oct 3

10:25 am - 9:40 amCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

30h 15m1 stop Istanbul

8:10 pm - 6:15 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

15h 05m1 stop Istanbul

$1,736Turkish Airlines

Thu, Oct 1 - Fri, Oct 2

10:25 am - 9:40 amCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

30h 15m1 stop Istanbul

8:10 pm - 9:25 amORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

30h 15m1 stop Istanbul

$1,745Turkish Airlines

Thu, Oct 1 - Sat, Oct 3

6:20 am - 3:51 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

16h 31m2 stops Zurich Toronto Pearson Intl

3:45 pm - 7:10 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

20h 25m2 stops Toronto Pearson Intl Zurich

$1,808Air Canada

Fri, Oct 2 - Sat, Oct 3

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Lufthansa flights from Cologne to Illinois

Our best Lufthansa deals on Cologne to Illinois flight tickets

Lufthansa

Mar 11

CGN1:35 pmCologne Köln/Bonn

11h 50m

1 stop

ORD6:25 pmChicago O'Hare Intl

Apr 2

ORD3:35 pmChicago O'Hare Intl

13h 50m

1 stop

CGN12:25 pmCologne Köln/Bonn

$631

Lufthansa

Nov 10

CGN1:35 pmCologne Köln/Bonn

11h 50m

1 stop

ORD6:25 pmChicago O'Hare Intl

Dec 7

ORD9:50 pmChicago O'Hare Intl

14h 45m

1 stop

CGN7:35 pmCologne Köln/Bonn

$652

Lufthansa

Mar 10

CGN1:10 pmCologne Köln/Bonn

12h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

Mar 14

ORD10:50 pmChicago O'Hare Intl

14h 45m

1 stop

CGN7:35 pmCologne Köln/Bonn

$661

United Airlines flights from Cologne to Illinois

Our best United Airlines deals on Cologne to Illinois flight tickets

United Airlines

Nov 19

CGN9:20 amCologne Köln/Bonn

16h 05m

1 stop

ORD6:25 pmChicago O'Hare Intl

Nov 30

ORD6:29 amChicago O'Hare Intl

23h 21m

2 stops

CGN12:50 pmCologne Köln/Bonn

$670

United Airlines

Dec 17

CGN1:35 pmCologne Köln/Bonn

11h 50m

1 stop

ORD6:25 pmChicago O'Hare Intl

Jan 1

ORD1:00 pmChicago O'Hare Intl

20h 55m

2 stops

CGN4:55 pmCologne Köln/Bonn

$671

United Airlines

Nov 16

CGN9:20 amCologne Köln/Bonn

20h 26m

2 stops

ORD10:46 pmChicago O'Hare Intl

Nov 28

ORD9:50 pmChicago O'Hare Intl

12h 05m

1 stop

CGN4:55 pmCologne Köln/Bonn

$676

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Thu 3/11

1:35 pm-6:25 pm

1 stop11h 50m

Chicago O'Hare Intl

Fri 4/2

3:35 pm-12:25 pm

1 stop13h 50m

$631

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Fri 1/8

9:20 am-7:58 pm

2 stops17h 38m

Chicago O'Hare Intl

Sat 1/30

3:45 pm-12:50 pm

2 stops14h 05m

$640

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Fri 1/8

9:20 am-8:40 pm

2 stops18h 20m

Chicago O'Hare Intl

Sat 1/30

9:50 pm-4:55 pm

1 stop12h 05m

$644

Quickest round-trip

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Thu 12/3

1:35 pm-6:25 pm

1 stop11h 50m

Chicago O'Hare Intl

Tue 12/8

9:50 pm-4:55 pm

1 stop12h 05m

$649

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Tue 11/10

1:35 pm-6:25 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 12/7

9:50 pm-7:35 pm

1 stop14h 45m

$652

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Tue 11/10

1:35 pm-6:25 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 12/7

10:05 am-12:50 pm

2 stops19h 45m

$657

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Wed 3/10

1:10 pm-6:25 pm

1 stop12h 15m

Chicago O'Hare Intl

Sun 3/14

10:50 pm-7:35 pm

1 stop14h 45m

$661

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Wed 10/14

6:20 am-1:23 pm

2 stops38h 03m

Chicago O'Hare Intl

Sun 10/18

7:09 am-9:35 pm

2 stops31h 26m

$662

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Thu 3/11

1:35 pm-6:25 pm

1 stop11h 50m

Chicago O'Hare Intl

Fri 4/2

6:04 pm-5:40 pm

2 stops16h 36m

$663

CologneChicago

CGN Cologne Köln/Bonn - ORD Chicago O'Hare Intl

CGNORD

Cologne Köln/Bonn

Mon 10/19

8:40 pm-1:20 pm

1 stop23h 40m

Chicago O'Hare Intl

Sun 10/25

7:00 pm-7:35 pm

1 stop18h 35m

$668

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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 month to fly to Illinois?

The cheapest month to fly to Illinois from Cologne is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $481.

Cheap Cologne to Illinois flight deals and tips

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

Best Price Found	$1,422
Fastest flight time	11h 50m
Direct flights	None

The best one-way flight to Illinois from Cologne in the past 72 hours is $1,422. The best round-trip flight deal from Cologne to Illinois found on momondo in the last 72 hours is $631.

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

Frequently asked questions about flying from Cologne 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.

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.