$441 Cheap Flights from Buffalo (BUF) to Oslo (OSL)

View $441 flight on Mon, Nov 24, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Buffalo to Oslo (BUF-OSL)

Prices were available within the past 7 days and start at $441 for one-way flights and $518 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sun, Dec 7 - Fri, Dec 12
BUF
Buffalo
OSL
Oslo
$518 Roundtrip, found 1 day ago
$518
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sun, Dec 7 from Buffalo to Oslo, returning Fri, Dec 12, priced at $518 found 1 day ago
Scandinavian Airlines
Mon, Mar 9 - Tue, Mar 24
BUF
Buffalo
OSL
Oslo
$518 Roundtrip, found 9 hours ago
$518
Roundtrip
found 9 hours ago
Select Scandinavian Airlines flight, departing Mon, Mar 9 from Buffalo to Oslo, returning Tue, Mar 24, priced at $518 found 9 hours ago
TAP Portugal
Tue, Jan 27 - Wed, Feb 4
BUF
Buffalo
OSL
Oslo
$541 Roundtrip, found 2 days ago
$541
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Tue, Jan 27 from Buffalo to Oslo, returning Wed, Feb 4, priced at $541 found 2 days ago
Scandinavian Airlines
Sun, Dec 7 - Fri, Dec 12
BUF
Buffalo
OSL
Oslo
$548 Roundtrip, found 1 day ago
$548
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Sun, Dec 7 from Buffalo to Oslo, returning Fri, Dec 12, priced at $548 found 1 day ago
Delta
Thu, Nov 6 - Sun, Nov 9
BUF
Buffalo
OSL
Oslo
$565 Roundtrip, found 5 days ago
$565
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Nov 6 from Buffalo to Oslo, returning Sun, Nov 9, priced at $565 found 5 days ago
United
Wed, Nov 5 - Mon, Nov 10
BUF
Buffalo
OSL
Oslo
$572 Roundtrip, found 5 days ago
$572
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 5 from Buffalo to Oslo, returning Mon, Nov 10, priced at $572 found 5 days ago
Delta
Thu, Nov 6 - Sun, Nov 9
BUF
Buffalo
OSL
Oslo
$572 Roundtrip, found 5 days ago
$572
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Nov 6 from Buffalo to Oslo, returning Sun, Nov 9, priced at $572 found 5 days ago
United
Thu, Nov 6 - Sun, Nov 9
BUF
Buffalo
OSL
Oslo
$574 Roundtrip, found 5 days ago
$574
Roundtrip
found 5 days ago
Select United flight, departing Thu, Nov 6 from Buffalo to Oslo, returning Sun, Nov 9, priced at $574 found 5 days ago
British Airways
Wed, Dec 10 - Mon, Dec 15
BUF
Buffalo
OSL
Oslo
$578 Roundtrip, found 2 days ago
$578
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Dec 10 from Buffalo to Oslo, returning Mon, Dec 15, priced at $578 found 2 days ago
Lufthansa
Thu, Jan 22 - Tue, Jan 27
BUF
Buffalo
OSL
Oslo
$587 Roundtrip, found 4 days ago
$587
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Thu, Jan 22 from Buffalo to Oslo, returning Tue, Jan 27, priced at $587 found 4 days ago

Alternative airports near Oslo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gardermoen OSL. Cheapest and Closest option available. Average driving time to city center is 40 minutes. Flights from $766
OSL
Gardermoen
CheapestClosest
Average driving time to city center40 min
Flights from $766

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL) cost?
Snag a cheap one-way flight from $441 or cheap return flight from $518 from Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL) 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 Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL)?
The cheapest month to fly from BUF to OSL is December, when there's less demand. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BUF to OSL. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL)?
There aren't any daily nonstop flights departing from Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from BUF to OSL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL)?
To reach Gardermoen Airport (OSL) without delays, pick a flight that leaves Buffalo Niagara Intl. Airport (BUF) 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 Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL) last-minute?
Last-minute fares from BUF to OSL are typically more expensive. To lock in the lowest rates, start looking for flights well in advance. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a BUF to OSL flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to OSL flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Gardermoen Airport (OSL)?
If you booked your BUF to OSL flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Gardermoen
Airlines serving
Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$517
Distance
3709 mi

Book with confidence

Buffalo to Oslo Flights

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

 

The best time to book a flight from Buffalo to Oslo

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $441 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 Buffalo 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 Buffalo 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.

 

Buffalo to Oslo Flights

Explore a world of travel with Expedia

*Available to One Key members.