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 58% 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.

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.

$405 Cheap Flights from Cologne to Illinois in 2026

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.

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

23h 40m1 stop Vienna Intl

9:40 pm - 5:20 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

12h 40m1 stop Munich Franz Josef Strauss

$687Multiple Airlines

Mon, Sep 21 - Sun, Sep 27

1:05 pm - 6:15 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

12h 10m1 stop Munich Franz Josef Strauss

6:00 pm - 7:30 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

18h 30m1 stop Munich Franz Josef Strauss

$688Lufthansa

Fri, Sep 4 - Sun, Sep 13

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

23h 40m1 stop Vienna Intl

3:35 pm - 7:30 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

20h 55m1 stop Munich Franz Josef Strauss

$703Multiple Airlines

Mon, Sep 21 - Sun, Sep 27

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

23h 40m1 stop Vienna Intl

3:35 pm - 7:30 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

20h 55m1 stop Munich Franz Josef Strauss

$704Multiple Airlines

Mon, Sep 21 - Sun, Sep 27

8:10 pm - 12:35 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

23h 25m1 stop Munich Franz Josef Strauss

1:55 pm - 12:25 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

15h 30m2 stops Charlotte Douglas Munich Franz Josef Strauss

$705Lufthansa

Tue, Sep 22 - Wed, Sep 30

1:05 pm - 6:15 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

12h 10m1 stop Munich Franz Josef Strauss

6:00 pm - 4:55 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

15h 55m1 stop Munich Franz Josef Strauss

$706United Airlines

Tue, Oct 20 - Fri, Nov 6

8:30 am - 2:00 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

12h 30m1 stop Munich Franz Josef Strauss

12:52 pm - 12:25 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

16h 33m2 stops Boston Logan Intl Munich Franz Josef Strauss

$707United Airlines

Tue, Sep 1 - Tue, Sep 22

8:40 pm - 4:59 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

27h 19m2 stops Vienna Intl Washington, D.C. Dulles Intl

9:40 pm - 7:30 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

14h 50m1 stop Munich Franz Josef Strauss

$709Multiple Airlines

Fri, Sep 4 - Sun, Sep 13

8:30 am - 7:48 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

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

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

14h 45m1 stop Munich Franz Josef Strauss

$711Multiple Airlines

Fri, Oct 23 - Sun, Nov 8

1:05 pm - 10:31 pmCGN Cologne Köln/Bonn-ORD Chicago O'Hare Intl

16h 26m2 stops Munich Franz Josef Strauss Boston Logan Intl

1:55 pm - 12:25 pmORD Chicago O'Hare Intl-CGN Cologne Köln/Bonn

15h 30m2 stops Boston Logan Intl Munich Franz Josef Strauss

$713United Airlines

Tue, Sep 1 - Tue, Sep 22

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United Airlines flights from Cologne to Illinois

Our best United Airlines deals on Cologne to Illinois flight tickets

United Airlines

Oct 20

CGN1:05 pmCologne Köln/Bonn

12h 10m

1 stop

ORD6:15 pmChicago O'Hare Intl

Nov 6

ORD6:00 pmChicago O'Hare Intl

15h 55m

1 stop

CGN4:55 pmCologne Köln/Bonn

$706

United Airlines

Sep 1

CGN8:30 amCologne Köln/Bonn

12h 30m

1 stop

ORD2:00 pmChicago O'Hare Intl

Sep 22

ORD12:52 pmChicago O'Hare Intl

16h 33m

2 stops

CGN12:25 pmCologne Köln/Bonn

$707

United Airlines

Sep 1

CGN1:05 pmCologne Köln/Bonn

16h 26m

2 stops

ORD10:31 pmChicago O'Hare Intl

Sep 22

ORD1:55 pmChicago O'Hare Intl

15h 30m

2 stops

CGN12:25 pmCologne Köln/Bonn

$713

Lufthansa flights from Cologne to Illinois

Our best Lufthansa deals on Cologne to Illinois flight tickets

Lufthansa

Sep 4

CGN1:05 pmCologne Köln/Bonn

12h 10m

1 stop

ORD6:15 pmChicago O'Hare Intl

Sep 13

ORD6:00 pmChicago O'Hare Intl

18h 30m

1 stop

CGN7:30 pmCologne Köln/Bonn

$688

Lufthansa

Sep 22

CGN8:10 pmCologne Köln/Bonn

23h 25m

1 stop

ORD12:35 pmChicago O'Hare Intl

Sep 30

ORD1:55 pmChicago O'Hare Intl

15h 30m

2 stops

CGN12:25 pmCologne Köln/Bonn

$705

Lufthansa

Sep 22

CGN6:05 pmCologne Köln/Bonn

23h 55m

2 stops

ORD11:00 amChicago O'Hare Intl

Sep 30

ORD1:55 pmChicago O'Hare Intl

15h 30m

2 stops

CGN12:25 pmCologne Köln/Bonn

$725

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

Mon 9/21

8:40 pm-1:20 pm

1 stop23h 40m

Chicago O'Hare Intl

Sun 9/27

9:40 pm-5:20 pm

1 stop12h 40m

$687

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Fri 9/4

1:05 pm-6:15 pm

1 stop12h 10m

Chicago O'Hare Intl

Sun 9/13

6:00 pm-7:30 pm

1 stop18h 30m

$688

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Mon 9/21

8:40 pm-1:20 pm

1 stop23h 40m

Chicago O'Hare Intl

Sun 9/27

3:35 pm-7:30 pm

1 stop20h 55m

$703

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Mon 9/21

8:40 pm-1:20 pm

1 stop23h 40m

Chicago O'Hare Intl

Sun 9/27

3:35 pm-7:30 pm

1 stop20h 55m

$704

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Tue 9/22

8:10 pm-12:35 pm

1 stop23h 25m

Chicago O'Hare Intl

Wed 9/30

1:55 pm-12:25 pm

2 stops15h 30m

$705

Quickest round-trip

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Tue 10/20

1:05 pm-6:15 pm

1 stop12h 10m

Chicago O'Hare Intl

Fri 11/6

6:00 pm-4:55 pm

1 stop15h 55m

$706

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Tue 9/1

8:30 am-2:00 pm

1 stop12h 30m

Chicago O'Hare Intl

Tue 9/22

12:52 pm-12:25 pm

2 stops16h 33m

$707

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Fri 9/4

8:40 pm-4:59 pm

2 stops27h 19m

Chicago O'Hare Intl

Sun 9/13

9:40 pm-7:30 pm

1 stop14h 50m

$709

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Fri 10/23

8:30 am-7:48 pm

2 stops18h 18m

Chicago O'Hare Intl

Sun 11/8

9:50 pm-7:35 pm

1 stop14h 45m

$711

CologneChicago

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

CGNORD

Cologne Köln/Bonn

Tue 9/1

1:05 pm-10:31 pm

2 stops16h 26m

Chicago O'Hare Intl

Tue 9/22

1:55 pm-12:25 pm

2 stops15h 30m

$713

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 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

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

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.