Cheap Flights from Portland (PDX) to Oslo Gardermoen (OSL)

Travelers and cabin class

Compare Portland to Oslo Gardermoen flight deals

Find the cheapest month or even day of the year to fly to Oslo Gardermoen

Book the best Oslo Gardermoen fare with no extra fees

Flight deals from Portland to Oslo Gardermoen

Looking for a cheap last-minute deal or the best round-trip flight from Portland to Oslo Gardermoen? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Portland to Oslo Gardermoen

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

Portland to Oslo Gardermoen: Alternative routes

Compare routes from Portland to Oslo below. You may find an airport to fly into that's cheaper, faster, or easier than Oslo Gardermoen.

Portland to Oslo: Flight information

The things to know before you go.
Cheapest flight found$289
Cheapest month to flySeptember

Finding cheap flights from Portland to Oslo Gardermoen: Frequently asked questions

The best price we found for a round-trip flight from Portland to Oslo Gardermoen is $472. 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 Gardermoen. But we found flights with one or more stops from $473.
There are no flights flying from Portland to Oslo Gardermoen, as of May 2025.
The cheapest month to fly from Portland to Oslo Gardermoen is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Oslo Gardermoen Airport on Wednesday, October 15, 2025.
No airlines currently offer direct flights between Portland Airport and Oslo Gardermoen Airport. 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 Gardermoen 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.
Currently, Icelandair offers the cheapest flight tickets to Oslo Gardermoen.

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

  • Oslo's timezone is UTC+1, which makes Oslo eight hours ahead of Portland.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your PDX to OSL flight.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you fly during a high season in general.

  • If you'd like to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Portland International Airport to Oslo Airport Gardermoen. These are the most popular stopovers between PDX and OSL:

    • Keflavik International Airport

    • Amsterdam Airport Schiphol

    • London Heathrow Airport

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

  • Right now, $289 is the lowest price we've found for a one-way Portland International Airport to Oslo Airport Gardermoen flight. The best price for a return ticket is $473. Bear in mind that fares can change due to availability at the time of booking.

  • To pick up cheap tickets from PDX to OSL, book ahead. Airlines usually offer their most competitively priced fares when flights are first made available.

  • Getting cheap flights from Portland International Airport to Oslo Airport Gardermoen is easier if you can be flexible with your travel plans. Use the 'Whole month' search function to see the lowest fares across every month and score a great deal.

  • You won't have to check every day to see if fares have gone down when you set up a Price Alert. We'll send you an update the moment there's a better deal on cheap flights from PDX to OSL.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Portland International Airport to Oslo Airport Gardermoen.

Handy information about Portland International Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • Portland International Airport maintains a strong on-time record, so you're less likely to experience disruptions. Departures from PDX land on schedule 83.65% of the time.

  • To reach Portland International Airport from central Portland, it takes about 20 minutes by car. This depends on traffic though. It's approximately 12 miles from the airport to the city center.

  • Planning to catch public transport? You can expect a journey time of around 45 minutes.

  • Booked an early flight from Portland International Airport to Oslo Airport Gardermoen? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near PDX:

Arriving at Oslo Airport Gardermoen (OSL)

Getting from Oslo Airport Gardermoen (OSL) to central Oslo

  • Oslo Airport Gardermoen to the center of Oslo has a drive time of about 40 minutes. It's approximately 30 miles away.

  • Traveling on public transport will take you around 30 minutes.

When to fly to Oslo Airport Gardermoen (OSL)

  • It's time to work out your dates for your flight from Portland International Airport to Oslo Airport Gardermoen. June is the busiest month to visit Oslo. If you're after a more low-key vibe, go in February.

  • The warmest month in Oslo is July, with temperatures ranging between 46ºF and 77ºF. Lock in your flights from Portland International Airport to Oslo Airport Gardermoen in this month if you like this kind of weather.

  • Search for cheap tickets from PDX to OSL in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 7ºF and 34ºF on average.

Explore more of Norway

  • Bergen is just one of the many places in Norway waiting to be discovered once you've seen the sights of Oslo. Around 190 miles away to the west, its top attractions include Bryggen, Troldhaugen and Fish Market.

  • If you're ready to explore another major stop in Norway, head for Trondheim, roughly 240 miles north of Oslo. Kristiansten Fortress, Ringve Museum and Old Town Bridge are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.