$439 Cheap Flights from Green Bay (GRB) to Copenhagen (CPH)

View $439 flight on Fri, Feb 6, 2026Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Copenhagen Airport, Kastrup (CPH)

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Cheap Flights from Green Bay to Copenhagen (GRB-CPH)

Prices were available within the past 7 days and start at $439 for one-way flights and $591 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 9 - Thu, Dec 25
GRB
Green Bay
CPH
Copenhagen
$591 Roundtrip, found 15 hours ago
$591
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Dec 9 from Green Bay to Copenhagen, returning Thu, Dec 25, priced at $591 found 15 hours ago
Delta
Mon, Jan 26 - Tue, Feb 10
GRB
Green Bay
CPH
Copenhagen
$593 Roundtrip, found 15 hours ago
$593
Roundtrip
found 15 hours ago
Select Delta flight, departing Mon, Jan 26 from Green Bay to Copenhagen, returning Tue, Feb 10, priced at $593 found 15 hours ago
Lufthansa
Tue, Nov 25 - Tue, Dec 9
GRB
Green Bay
CPH
Copenhagen
$596 Roundtrip, found 2 days ago
$596
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Nov 25 from Green Bay to Copenhagen, returning Tue, Dec 9, priced at $596 found 2 days ago
United
Wed, Dec 10 - Thu, Dec 25
GRB
Green Bay
CPH
Copenhagen
$597 Roundtrip, found 15 hours ago
$597
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Dec 10 from Green Bay to Copenhagen, returning Thu, Dec 25, priced at $597 found 15 hours ago
Lufthansa
Tue, Nov 25 - Tue, Dec 9
GRB
Green Bay
CPH
Copenhagen
$598 Roundtrip, found 2 days ago
$598
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Nov 25 from Green Bay to Copenhagen, returning Tue, Dec 9, priced at $598 found 2 days ago
United
Thu, Dec 11 - Thu, Dec 25
GRB
Green Bay
CPH
Copenhagen
$599 Roundtrip, found 15 hours ago
$599
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Dec 11 from Green Bay to Copenhagen, returning Thu, Dec 25, priced at $599 found 15 hours ago
Delta
Tue, Feb 3 - Mon, Feb 9
GRB
Green Bay
CPH
Copenhagen
$600 Roundtrip, found 9 hours ago
$600
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Feb 3 from Green Bay to Copenhagen, returning Mon, Feb 9, priced at $600 found 9 hours ago
United
Fri, Feb 6 - Fri, Feb 20
GRB
Green Bay
CPH
Copenhagen
$601 Roundtrip, found 12 hours ago
$601
Roundtrip
found 12 hours ago
Select United flight, departing Fri, Feb 6 from Green Bay to Copenhagen, returning Fri, Feb 20, priced at $601 found 12 hours ago
American Airlines
Fri, Feb 6 - Fri, Feb 20
GRB
Green Bay
CPH
Copenhagen
$602 Roundtrip, found 12 hours ago
$602
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Feb 6 from Green Bay to Copenhagen, returning Fri, Feb 20, priced at $602 found 12 hours ago
British Airways
Wed, Feb 4 - Mon, Feb 9
GRB
Green Bay
CPH
Copenhagen
$604 Roundtrip, found 9 hours ago
$604
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Feb 4 from Green Bay to Copenhagen, returning Mon, Feb 9, priced at $604 found 9 hours ago

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH) cost?
Secure a cheap one-way flight from $439 or cheap return flight from $591 from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH)?
December is the least expensive month to fly from GRB to CPH. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GRB to CPH. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH)?
Direct flights from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GRB to CPH?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH)?
To arrive at Kastrup Airport (CPH) on time, pick a flight that leaves Austin Straubel Intl. Airport (GRB) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH) last-minute?
Booking your flight from GRB to CPH right before your journey is typically more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a GRB to CPH flight and hotel package?
Securing a GRB to CPH flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Kastrup Airport (CPH)?
If you reserved your GRB to CPH flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Austin Straubel Intl.
Destination airport
Kastrup
Airlines serving
American Airlines, British Airways, Delta, KLM, Lufthansa, United
Roundtrip price
$591
Distance
4130 mi

Book with confidence

Green Bay to Copenhagen Flights

The cheapest times to fly from Green Bay to Copenhagen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Green Bay to Copenhagen are during the month of December. You can find some of the cheapest flights from Green Bay to Copenhagen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Green Bay to Copenhagen

Sunday is one of the best days to book for cheap flights from Green Bay to Copenhagen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Green Bay to Copenhagen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Green Bay to Copenhagen in 2025. You can also book with separate airlines for your outbound and return journeys, from $439 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Green Bay to Copenhagen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Green Bay to Copenhagen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Green Bay to Copenhagen Flights

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*Available to One Key members.