$465 Cheap Flights from Portland (PDX) to Oslo (OSL)

Popular airlines from Portland International Airport (PDX) to Gardermoen Airport (OSL)

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Cheap Flights from Portland to Oslo (PDX-OSL)

Prices were available within the past 7 days and start at $465 for one-way flights and $491 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Icelandair
Icelandair
Icelandair
Icelandair
Delta
Scandinavian Airlines
British Airways
Air Canada
American Airlines

Find the cheapest month to fly from Portland (PDX) to Oslo (OSL)

November is typically the cheapest month to fly

From $441 - $1,287 per traveler.

Graph displaying average flight prices per month

Alternative airports near Oslo

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

Flights from Portland (PDX) to Oslo (OSL)
Origin airport
Portland Intl.
Destination airport
Gardermoen
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$490
Distance
4676 mi

Portland to Oslo Flights

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

 

The best time to book a flight from Portland to Oslo

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $465 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 Portland 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 Portland 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.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Gardermoen Airport (OSL) cost?
Grab a cheap one-way flight from $465 or cheap return flight from $491 from Portland Intl. Airport (PDX) 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 Portland Intl. Airport (PDX) to Gardermoen Airport (OSL)?
November is the cheapest month to fly from PDX to OSL. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Gardermoen Airport (OSL)?
To find the cheapest airline flying from PDX to OSL, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Portland Intl. Airport (PDX) to Gardermoen Airport (OSL)?
You'll have to catch a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Gardermoen Airport (OSL). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from PDX to OSL?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, including 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 Portland Intl. Airport (PDX) to Gardermoen Airport (OSL)?
To avoid possible delays on the Portland Intl. Airport (PDX) to Gardermoen Airport (OSL) route, travel before 3 PM. Later departures have a 22% higher chance of being 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 Portland Intl. Airport (PDX) to Gardermoen Airport (OSL) last-minute?
Last-minute fares from PDX to OSL are generally more expensive. To secure the best prices, start searching for flights well in advance. That said, if your travel plans are flexible, it's possible to land a cheap fare right before you leave.
Is it cheaper to book a PDX to OSL flight and hotel package?
You can save money by securing a PDX to OSL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've selected your preferred accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Gardermoen Airport (OSL)?
If you reserved your PDX to OSL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.