$448 Cheap Flights from Green Bay (GRB) to Oslo (OSL)

View $448 flight on Tue, Mar 24, 2026Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Gardermoen Airport (OSL)

Cheap Flights from Green Bay to Oslo (GRB-OSL)

Prices were available within the past 7 days and start at $448 for one-way flights and $609 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Nov 19 - Tue, Nov 25
GRB
Green Bay
OSL
Oslo
$609 Roundtrip, found 2 hours ago
$609
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Nov 19 from Green Bay to Oslo, returning Tue, Nov 25, priced at $609 found 2 hours ago
Delta
Tue, Nov 18 - Thu, Nov 27
GRB
Green Bay
OSL
Oslo
$613 Roundtrip, found 4 days ago
$613
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 18 from Green Bay to Oslo, returning Thu, Nov 27, priced at $613 found 4 days ago
Delta
Tue, Oct 21 - Tue, Nov 4
GRB
Green Bay
OSL
Oslo
$613 Roundtrip, found 5 days ago
$613
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 21 from Green Bay to Oslo, returning Tue, Nov 4, priced at $613 found 5 days ago
Delta
Mon, Oct 20 - Tue, Nov 4
GRB
Green Bay
OSL
Oslo
$625 Roundtrip, found 5 days ago
$625
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Oct 20 from Green Bay to Oslo, returning Tue, Nov 4, priced at $625 found 5 days ago
Delta
Mon, Nov 17 - Tue, Nov 25
GRB
Green Bay
OSL
Oslo
$629 Roundtrip, found 3 days ago
$629
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 17 from Green Bay to Oslo, returning Tue, Nov 25, priced at $629 found 3 days ago
Delta
Sun, Nov 16 - Tue, Nov 25
GRB
Green Bay
OSL
Oslo
$629 Roundtrip, found 3 days ago
$629
Roundtrip
found 3 days ago
Select Delta flight, departing Sun, Nov 16 from Green Bay to Oslo, returning Tue, Nov 25, priced at $629 found 3 days ago
Delta
Tue, Nov 18 - Fri, Nov 28
GRB
Green Bay
OSL
Oslo
$634 Roundtrip, found 4 days ago
$634
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 18 from Green Bay to Oslo, returning Fri, Nov 28, priced at $634 found 4 days ago
British Airways
Tue, Nov 18 - Mon, Nov 24
GRB
Green Bay
OSL
Oslo
$639 Roundtrip, found 3 days ago
$639
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Nov 18 from Green Bay to Oslo, returning Mon, Nov 24, priced at $639 found 3 days ago
Air France
Wed, Nov 19 - Fri, Nov 28
GRB
Green Bay
OSL
Oslo
$672 Roundtrip, found 3 days ago
$672
Roundtrip
found 3 days ago
Select Air France flight, departing Wed, Nov 19 from Green Bay to Oslo, returning Fri, Nov 28, priced at $672 found 3 days ago
KLM
Wed, Nov 19 - Tue, Nov 25
GRB
Green Bay
OSL
Oslo
$808 Roundtrip, found 2 hours ago
$808
Roundtrip
found 2 hours ago
Select KLM flight, departing Wed, Nov 19 from Green Bay to Oslo, returning Tue, Nov 25, priced at $808 found 2 hours ago

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Gardermoen Airport (OSL) cost?
Snag a cheap one-way flight from $448 or cheap return flight from $609 from Austin Straubel Intl. Airport (GRB) to Gardermoen Airport (OSL) 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 Gardermoen Airport (OSL)?
Planning your trip for November is a good way to save, as it's the cheapest month for flights between GRB and OSL. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Austin Straubel Intl. Airport (GRB) to Gardermoen Airport (OSL)?
To find the cheapest airline that'll fly you from GRB to OSL, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Gardermoen Airport (OSL)?
Direct flights from Austin Straubel Intl. Airport (GRB) to Gardermoen Airport (OSL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GRB to OSL?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Gardermoen Airport (OSL)?
Select a flight from Austin Straubel Intl. Airport (GRB) to Gardermoen Airport (OSL) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**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 Gardermoen Airport (OSL) last-minute?
Booking your flight from GRB to OSL shortly before your getaway is usually more expensive. But if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a GRB to OSL flight and hotel package?
You can save money by booking a GRB to OSL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Gardermoen Airport (OSL)?
Usually, it's possible to reschedule or cancel your GRB to OSL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Austin Straubel Intl.
Destination airport
Gardermoen
Airlines serving
Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, United
Roundtrip price
$608
Distance
3906 mi

Book with confidence

Book with confidence

Green Bay to Oslo Flights

The cheapest times to fly from Green Bay to Oslo

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 Oslo are during the month of November. You can find some of the cheapest flights from Green Bay to Oslo with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Green Bay to Oslo: 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 Oslo

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 Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $448 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 Oslo 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 Oslo 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 Oslo Flights

Explore a world of travel with Expedia

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*Available to One Key members.