410 € Cheap Flights from Portland to Oslo

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Flight deals from Portland to Oslo

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Oslo? If you want to travel next month, return fares start from 578 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Oslo

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Oslo flights are currently cheapest in October.

Alternative Portland to Oslo routes

Looking for the cheapest, fastest or easiest route from Portland to Oslo? You could fly into the following airports instead.

Portland to Oslo: Flight information

The things to know before you go.
Cheapest flight found410 €
Cheapest month to flyOctober

Finding cheap flights from Portland to Oslo: Frequently asked questions

There are 2 airports in Oslo: Oslo Gardermoen and TORP Sandefjord.
The best price we found for a return flight from Portland to Oslo is 410 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Oslo. But we found flights with one or more stops from 410 €.
As of June 2026, there are no flights flying from Portland to Oslo.
The cheapest month to fly from Portland to Oslo is usually October.
If you're flying from Portland Airport, the cheapest airport near Oslo is Oslo Gardermoen – which is 37.2 km away from the centre of Oslo. We've found flights into this airport from 410 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Oslo on Monday, 19 October 2026.
No airlines currently offer direct flights between Portland Airport and Oslo. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Oslo but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Oslo is around 40 days in advance, so don’t leave your flight to the last minute.

In June, the average temperature is usually around 13°C. July is typically the warmest month in Oslo, when it usually averages around 20°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging -9°C. The rainiest month is August.
Currently, Icelandair offers the cheapest flight tickets to Oslo.

Flying from Portland International Airport (PDX) to Oslo: what you need to know

  • Portland International Airport is located in Portland. Following the UTC+1 timezone, Oslo is nine hours ahead of Portland.

  • For a relaxed start to your PDX to Oslo flight, leave enough time for things like check-in and baggage drop. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months such as July, it's wise to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead for international flights when you fly during high season in general.

  • We make it easy to book plane tickets from PDX to Oslo with a stopover. To see all your options, uncheck 'Direct flights only.' Next, choose a flight offering a stop long enough to see the sights of the city of your choice. The most sought-after stopovers include:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Keflavik Airport (KEF)

  • Located around 10 kilometres from the centre of Portland, PDX can be reached in about 20 minutes by car (depending on traffic). The journey on public transport will take roughly 40 minutes.

  • Catching an early flight from Portland International Airport to Oslo? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these stays near PDX:

  • Portland International Airport earns top marks for on-time performance. 83% of flights that depart PDX arrive at their destination without delay.

  • PDX is located at 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Oslo

  • 180 € is the lowest price we've seen for a one-way Portland International Airport to Oslo flight. A return plane ticket right now is 410 €. Depending on how early you book and the availability, these fares may change.

  • To pick up cheap flights from PDX to Oslo, book as early as possible. Airlines generally offer lower fares when tickets first go on sale.

  • The 'Whole month' search tool will show you the cheapest tickets from Portland International Airport to Oslo across every month. It's a great way to find a bargain if your travel plans are flexible.

  • Picking up a cheap flight from PDX to Oslo couldn't be easier with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know when a lower fare pops up.

  • Pick your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Portland International Airport to Oslo by 'Best,' 'Cheapest' or 'Fastest.'

Airports in Oslo

Oslo Gardermoen Airport (OSL)

  • Oslo Gardermoen Airport (OSL) is around 48 kilometres from central Oslo. If you're grabbing a taxi or a ride-share, the drive takes roughly 40 minutes.

  • It'll take around 20 minutes if you're using public transport.

  • If you're coming in on a late flight from Portland International Airport to Oslo, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these hotels near OSL:

  • Booking your ride from Oslo Gardermoen Airport about three weeks ahead of your flight from PDX to Oslo can help you get the best possible rate.

TORP Sandefjord (TRF)

  • TORP Sandefjord (TRF) is around 113 kilometres from the centre of Oslo. Following your flight from Portland International Airport to Oslo, it'll take you around 1 hour 30 minutes to get to the heart of the city in a ride-share or taxi.

  • The trip will take roughly 1 hour 50 minutes on public transport.

  • After stepping off your PDX to Oslo flight, settle in at a hotel near TRF. These are some great options that'll help you get into relaxation mode:

  • Get first dibs on the best options. Reserving your ride from TRF one week ahead of time often means more savings and a greater range of vehicles.

Best time to go to Oslo

  • September is the most popular month for flights from Portland International Airport to Oslo. To escape the crowds, visit Oslo in January.

  • Before locking in your Portland International Airport to Oslo plane ticket, think about the kind of weather you prefer. July is the warmest month in Oslo, with temperatures ranging from 8ºC (46ºF) to 25ºC (77ºF).

  • Search for cheap tickets from PDX to Oslo in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -14ºC (7ºF) and 1ºC (34ºF) on average.

More about Oslo

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Oslo right here. Check out these hotels after locking in your flight from Portland International Airport to Oslo:

  • There are so many things to see and do in this city it can be difficult to know where to start. Viking Ship Museum, The Norwegian National Opera & Ballet and Det Kongelige Slott are popular attractions which should be on any well-planned Oslo itinerary.

Explore more of Norway

  • Oslo is easy to fall in love with, but there are so many other parts of Norway waiting to be discovered. About 306 kilometres west of Oslo, a visit to Bergen will keep you busy. Don't miss top attractions like Fløyfjellet, Bergen? And Fløyen Panorama.

  • Trondheim is another standout destination in Norway and is around 386 kilometres north of Oslo. No journey is complete without dropping by Nidaros Cathedral (Nidaros Domkirke), Nigard Glacier and Tyholttarnet.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.