How long is the flight from Green Bay to Cologne?

For as low as $1,085, American Airlines can have you in Cologne from Green Bay in 15h 41m. There are 4133 mi between Green Bay and Cologne. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Cologne ranges from 2.0 - 3.5 inches per month. June is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Cologne when rainfall is around 2.0 in.

If weather is an important factor for your trip to Cologne, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from GRB to CGN?

When flying from Green Bay to Cologne, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Green Bay to Cologne that include hotel bookings?

Yes. In addition to deals on Green Bay to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Green Bay to Cologne?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Cologne.

Can I find deals for business class flights from Green Bay to Cologne?

Yes. Cheapflights offers flight deals from Green Bay to Cologne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,085+ Flights from Green Bay to Cologne

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Fri 3/276:39 pmGRB - CGN

2 stops15h 41mAmerican Airlines

Tue 3/313:30 pmCGN - GRB

2 stops33h 13mAmerican Airlines

Deal found 10/26

$1,085

Fri 3/2710:40 amGRB - CGN

2 stops24h 30mUnited Airlines

Tue 3/316:05 amCGN - GRB

2 stops17h 38mUnited Airlines

Deal found 10/27

$1,126

Cheap flight deals from Green Bay to Cologne

Round-trip from	$1,085 (American Airlines)

From Green Bay Austin-Straubel to Cologne Köln/Bonn

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Green BayCologne

GRB - CGN

GRBCGN

Green Bay Austin-Straubel

Fri 3/27

6:39 pm-4:20 pm

2 stops15h 41m

Cologne Köln/Bonn

Tue 3/31

3:30 pm-5:43 pm

2 stops33h 13m

$1,085

Green BayCologne

GRB - CGN

GRBCGN

Green Bay Austin-Straubel

Fri 3/27

10:40 am-5:10 pm

2 stops24h 30m

Cologne Köln/Bonn

Tue 3/31

6:05 am-4:43 pm

2 stops17h 38m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Green Bay to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Green Bay with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Green Bay to Cologne?
For as low as $1,085, American Airlines can have you in Cologne from Green Bay in 15h 41m. There are 4133 mi between Green Bay and Cologne. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Green Bay to Cologne that include hotel bookings?
Yes. In addition to deals on Green Bay to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Green Bay to Cologne?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Cologne.
Can I find deals for business class flights from Green Bay to Cologne?
Yes. Cheapflights offers flight deals from Green Bay to Cologne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Green Bay to Cologne with Cheapflights

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Find flight deals from Green Bay to Cologne

Best flights from Green Bay to Cologne
Discover carefully curated flight deals from Green Bay to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

Discover carefully curated flight deals from Green Bay to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

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How long is the flight from Green Bay to Cologne?

Can I find deals for flights from Green Bay to Cologne that include hotel bookings?

How can I find direct flights from Green Bay to Cologne?

Can I find deals for business class flights from Green Bay to Cologne?

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$1,085+ Cheap flights from Green Bay (GRB) to Cologne (CGN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Green Bay to Cologne with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Green Bay to Cologne

Best flights from Green Bay to CologneDiscover carefully curated flight deals from Green Bay to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

Discover carefully curated flight deals from Green Bay to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

Cheap flight deals from Green Bay to Cologne

Round-trip from

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Use the filters below to find and compare flights from Green Bay to Cologne that are best for you.

Best time to book a flight from Green Bay to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Green Bay with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Cologne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Green Bay to Cologne?

Can I find deals for flights from Green Bay to Cologne that include hotel bookings?

How can I find direct flights from Green Bay to Cologne?

Can I find deals for business class flights from Green Bay to Cologne?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Green Bay to Cologne

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Book with Flexibility

Travel Smart

Best flights from Green Bay to Cologne
Discover carefully curated flight deals from Green Bay to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.