Cheap flights from Portland to Oslo from $298
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Oslo departing on 10/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.Lufthansa flights from Portland to Oslo Gardermoen Airport
Our best Lufthansa deals on Portland to Oslo Gardermoen Airport flight tickets
Icelandair flights from Portland to Oslo Gardermoen Airport
Our best Icelandair deals on Portland to Oslo Gardermoen Airport flight tickets
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Fly from
Fly to
Route
Depart
Return
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Sat 10/31
3:45 pm-8:35 pm
1 stop20h 50m
Oslo Gardermoen
Wed 11/4
1:10 pm-5:00 pm
1 stop12h 50m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Thu 3/11
2:45 pm-11:35 am
1 stop11h 50m
Oslo Gardermoen
Mon 3/22
12:50 pm-5:55 pm
1 stop13h 05m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Sun 4/4
3:15 pm-5:55 pm
2 stops17h 40m
Oslo Gardermoen
Sat 4/10
11:45 am-9:25 am
2 stops30h 40m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Sun 4/4
3:15 pm-5:55 pm
2 stops17h 40m
Oslo Gardermoen
Sun 4/11
11:45 am-9:25 am
2 stops30h 40m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Tue 10/27
2:34 pm-5:40 pm
2 stops19h 06m
Oslo Gardermoen
Mon 11/2
11:50 am-10:27 pm
2 stops19h 37m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Wed 11/18
8:30 am-5:40 pm
2 stops24h 10m
Oslo Gardermoen
Wed 11/25
11:50 am-12:44 am
2 stops21h 54m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Tue 11/10
9:58 am-4:10 pm
2 stops21h 12m
Oslo Gardermoen
Sun 11/15
6:05 am-11:40 am
1 stop14h 35m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Tue 12/1
7:00 am-4:10 pm
2 stops24h 10m
Oslo Gardermoen
Mon 12/7
6:05 am-11:20 am
1 stop14h 15m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Wed 11/18
1:40 pm-12:25 pm
1 stop13h 45m
Oslo Gardermoen
Wed 11/25
6:05 am-11:40 am
1 stop14h 35m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Wed 11/18
1:40 pm-12:25 pm
1 stop13h 45m
Oslo Gardermoen
Thu 12/3
6:55 pm-11:20 am
1 stop25h 25m
See travel insights to Oslo from
How to get the cheapest flight ticket from Portland to Oslo Gardermoen Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Portland and Oslo Gardermoen Airport?
Prices are currently low for flights on this route.
Typical prices usually range from $559 to $854.The lowest price recently found on this route was $442.
What is the cheapest month to fly to Oslo Gardermoen Airport?
The cheapest month to fly to Oslo Gardermoen Airport from Portland is in April. Flight prices, which tend to average around $436, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Oslo Gardermoen Airport from Portland during November instead. Flights to Oslo Gardermoen Airport in November, while not as cheap as those in April, still average around $506.
How far in advance should I book a flight from Portland to Oslo Gardermoen Airport?
You are more likely to see cheaper flights to Oslo Gardermoen Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $653 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from Portland for as low as $576 on momondo.
Can stopping save me money on Portland to Oslo Gardermoen Airport flights?
You could potentially save up to 25% on your flight if you consider stops on a Portland to Oslo Gardermoen Airport flight.
How have Portland to Oslo Gardermoen Airport flight prices changed over time?
As of October 2026, prices for Portland to Oslo Gardermoen Airport flights are approximately 30% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Portland to Oslo Gardermoen?
Icelandair, British Airways, and KLM are the most popular carriers operating from Portland to Oslo Gardermoen
What airlines fly to Oslo Gardermoen Airport?
KLM, Icelandair and Delta are the top three most popular airlines that fly to Oslo Gardermoen Airport from Portland according to our data. KLM is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Oslo Gardermoen Airport. Keep in mind that there are 6 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Portland and Oslo Gardermoen Airport?
Amsterdam (AMS) was the most common stop: 65% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Portland to Oslo Gardermoen Airport?
Flights via Amsterdam (AMS) offer the lowest average round-trip price of $645.
Which layover airport has the shortest travel time from Portland to Oslo Gardermoen Airport?
Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 45m.
Which layover airport has the shortest connection time from Portland to Oslo Gardermoen Airport?
New York (JFK) has the shortest average layover time for this route: 2h 07m.
When to book flights from Portland to Oslo Gardermoen Airport
Cheap Portland to Oslo Gardermoen Airport (PDX to OSL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Oslo Gardermoen Airport
Frequently asked questions about flying from Portland to Oslo Gardermoen Airport
How far is Portland to Oslo Gardermoen by plane?
Portland and Oslo Gardermoen are 4679.7 mi apart from one another. Flights usually cover this in 11h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Oslo Gardermoen Airport?
Prices for flights from Portland Airport to Oslo Gardermoen Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Oslo Gardermoen Airport?
As of October 2026, there are 6 operators available to choose from for flights from Portland Airport to Oslo Gardermoen Airport.
How old do you have to be to fly from Portland Airport to Oslo Gardermoen Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Oslo Gardermoen Airport.
What documentation or ID do you need to fly to Oslo Gardermoen Airport?
The travel and health documents required for your trip to Oslo Gardermoen Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oslo Gardermoen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Portland to Oslo Gardermoen Airport?
Based on momondo bookings for flights between Portland and Oslo Gardermoen Airport, the leading airline is KLM, making up 38% of the total bookings. Other popular airlines include Icelandair with 31%, Delta with 18%, and British Airways with 6%.
Best airlines flying from Portland to Oslo Gardermoen Airport
Compare and see reviews for airlines that fly from Portland to Oslo Gardermoen Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $422 | Free Cancellation | Rating 6.9 758 reviews | |||
| PriceFrom $485 | Free Cancellation | Rating 7.4 2,010 reviews | |||
| PriceFrom $496 | Free Cancellation | Rating 6.7 8,255 reviews | |||
| PriceFrom $506 | Free Cancellation | Rating 7.4 10,318 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.8 8,641 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 7.8 1,578 reviews |
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Why should I use momondo to find a flight deal from Portland to Oslo?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Oslo. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Portland to Oslo with flexible booking policies on momondo?
momondo does allow users to show only those flights to Oslo from Portland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Portland to Oslo?
momondo provides multiple filters to help you find the best flight to Oslo from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Portland to Oslo right now. Can momondo alert me if prices change?
Price alerts on flights to Oslo from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.