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Cheap flights from Green Bay to Cologne from $1,157

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Cologne departing on 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Green Bay to Cologne

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:18 pm - 5:15 pm
GRB
-
CGN
40h 57m
2 stops
United Airlines Logo
6:45 am - 7:05 pm
CGN
-
GRB
19h 20m
2 stops
$1,157United Airlines
Sat, Nov 28 - Wed, Dec 2
United Airlines Logo
10:45 am - 12:50 pm
GRB
-
CGN
19h 05m
2 stops
United Airlines Logo
6:45 am - 4:43 pm
CGN
-
GRB
16h 58m
2 stops
$1,507United Airlines
Sat, Nov 28 - Wed, Dec 2
United Airlines Logo
10:45 am - 12:50 pm
GRB
-
CGN
19h 05m
2 stops
United Airlines Logo
6:45 am - 4:43 pm
CGN
-
GRB
16h 58m
2 stops
$1,508United Airlines
Sat, Nov 28 - Wed, Dec 2
United Airlines Logo
10:45 am - 12:50 pm
GRB
-
CGN
19h 05m
2 stops
United Airlines Logo
6:45 am - 4:43 pm
CGN
-
GRB
16h 58m
2 stops
$1,509United Airlines
Sat, Nov 28 - Wed, Dec 2

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United Airlines flights from Green Bay to Cologne

Our best United Airlines deals on Green Bay to Cologne flight tickets
United Airlines
Nov 28
GRB5:18 pmGreen Bay Austin-Straubel
40h 57m
2 stops
CGN5:15 pmCologne Köln/Bonn
Dec 2
CGN6:45 amCologne Köln/Bonn
19h 20m
2 stops
GRB7:05 pmGreen Bay Austin-Straubel
$1,157
United Airlines
Nov 28
GRB10:45 amGreen Bay Austin-Straubel
19h 05m
2 stops
CGN12:50 pmCologne Köln/Bonn
Dec 2
CGN6:45 amCologne Köln/Bonn
16h 58m
2 stops
GRB4:43 pmGreen Bay Austin-Straubel
$1,507
United Airlines
Nov 28
GRB10:45 amGreen Bay Austin-Straubel
19h 05m
2 stops
CGN12:50 pmCologne Köln/Bonn
Dec 2
CGN6:45 amCologne Köln/Bonn
16h 58m
2 stops
GRB4:43 pmGreen Bay Austin-Straubel
$1,508

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay 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 June 27, 2026.
Use the filters below to find and compare flights from Green Bay to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Green BayCologne

GRB - CGN

GRBCGN

Green Bay Austin-Straubel

Sat 11/28

5:18 pm-5:15 pm

2 stops40h 57m

Cologne Köln/Bonn

Wed 12/2

6:45 am-7:05 pm

2 stops19h 20m

$1,157
Quickest round-trip

Green BayCologne

GRB - CGN

GRBCGN

Green Bay Austin-Straubel

Sat 11/28

10:45 am-12:50 pm

2 stops19h 05m

Cologne Köln/Bonn

Wed 12/2

6:45 am-4:43 pm

2 stops16h 58m

$1,507

Green BayCologne

GRB - CGN

GRBCGN

Green Bay Austin-Straubel

Sat 11/28

10:45 am-12:50 pm

2 stops19h 05m

Cologne Köln/Bonn

Wed 12/2

6:45 am-4:43 pm

2 stops16h 58m

$1,508

Green BayCologne

GRB - CGN

GRBCGN

Green Bay Austin-Straubel

Sat 11/28

10:45 am-12:50 pm

2 stops19h 05m

Cologne Köln/Bonn

Wed 12/2

6:45 am-4:43 pm

2 stops16h 58m

$1,509

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Cologne from

How to get the cheapest flight ticket from Green Bay 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 airlines fly to Cologne?

Delta, United Airlines and KLM are the top three most popular airlines that fly to Cologne from Green Bay according to our data. Delta is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Cologne. Keep in mind that there are 3 different airlines that fly to Cologne on a routine basis, so you have a few additional options to choose from.

When to book flights from Green Bay to Cologne

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Cologne according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Cologne (GRB to CGN) flight deals and tips

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

Fastest flight time

19h 05m

Direct flights

None
The fastest flight from Green Bay to Cologne takes 19h 05m
There are no direct flights from Green Bay to Cologne. There are no popular flight routes from Green Bay to Cologne.
Search flight deals

Frequently asked questions about flying from Green Bay to Cologne

  • How far is Green Bay Austin-Straubel to Cologne Köln/Bonn by plane?

    The straight-line distance from Green Bay Austin-Straubel to Cologne Köln/Bonn is 4117.6 mi. In terms of flight time, this usually takes a little over 19h 05m.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Cologne Köln/Bonn Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Cologne Köln/Bonn Airport were last updated today.

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Cologne Köln/Bonn Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Cologne Köln/Bonn Airport.

  • What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

    The travel and health documents you'll need for your trip to Cologne Köln/Bonn Airport 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 Cologne Köln/Bonn Airport. 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 Green Bay to Cologne?

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

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

Yes. momondo enables you to select and highlight flights to Cologne from Green Bay with this policy.

How can momondo help me find flights from Green Bay to Cologne?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Green Bay to Cologne.

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

If you are not ready to book a flight from Green Bay to Cologne now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cologne and let you know when they change.

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