$322 Cheap Flights from Oslo (OSL) to Buffalo (BUF)

View $322 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Oslo to Buffalo (OSL-BUF)

Prices were available within the past 7 days and start at $322 for one-way flights and $478 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$478 Roundtrip, found 5 days ago
$478
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $478 found 5 days ago
British Airways
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$524 Roundtrip, found 5 days ago
$524
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $524 found 5 days ago
British Airways
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$595 Roundtrip, found 5 days ago
$595
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $595 found 5 days ago
British Airways
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$629 Roundtrip, found 5 days ago
$629
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $629 found 5 days ago
British Airways
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$658 Roundtrip, found 5 days ago
$658
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $658 found 5 days ago
American Airlines
Wed, Dec 24 - Wed, Dec 31
OSL
Oslo
BUF
Buffalo
$660 Roundtrip, found 5 days ago
$660
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Dec 24 from Oslo to Buffalo, returning Wed, Dec 31, priced at $660 found 5 days ago
British Airways
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$673 Roundtrip, found 5 days ago
$673
Roundtrip
found 5 days ago
Select British Airways flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $673 found 5 days ago
Lufthansa
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$793 Roundtrip, found 5 days ago
$793
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $793 found 5 days ago
TAP Portugal
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$805 Roundtrip, found 5 days ago
$805
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $805 found 5 days ago
Virgin Atlantic
Mon, Dec 8 - Mon, Dec 15
OSL
Oslo
BUF
Buffalo
$809 Roundtrip, found 5 days ago
$809
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Mon, Dec 8 from Oslo to Buffalo, returning Mon, Dec 15, priced at $809 found 5 days ago

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF) cost?
Snag a cheap one-way flight from $322 or cheap return flight from $478 from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF)?
The cheapest month to fly from OSL to BUF is December, when demand is low. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline that'll fly you from OSL to BUF, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF)?
You'll have to take a flight with a layover if you're traveling from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from OSL to BUF?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF)?
To avoid potential delays on the Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your flight from OSL to BUF just before your journey is usually more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book an OSL to BUF flight and hotel package?
Compared with arranging flights and hotels separately, booking an OSL to BUF flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of travel planning. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Buffalo Niagara Intl. Airport (BUF)?
If you reserved your OSL to BUF flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Gardermoen
Destination airport
Buffalo Niagara Intl.
Airlines serving
British Airways, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Turkish Airlines, Virgin Atlantic
Roundtrip price
$478
Distance
3709 mi

Book with confidence

Book with confidence

Oslo to Buffalo Flights

The cheapest times to fly from Oslo to Buffalo

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

 

The best time to book a flight from Oslo to Buffalo

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

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 Oslo to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $322 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 Oslo to Buffalo 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 Oslo to Buffalo 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.

 

Oslo to Buffalo Flights

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*Available to One Key members.