Cheap flights from Portland to Oslo from $266
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 10/21. 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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Fly from
Fly to
Route
Depart
Return
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Sun 9/6
7:00 pm-3:25 pm
1 stop11h 25m
Oslo Gardermoen
Mon 9/21
4:30 pm-5:55 pm
1 stop34h 25m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Sat 10/24
3:30 pm-3:25 pm
1 stop14h 55m
Oslo Gardermoen
Mon 11/2
1:10 pm-5:00 pm
1 stop12h 50m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Tue 1/19
10:00 am-5:40 pm
2 stops22h 40m
Oslo Gardermoen
Wed 1/27
6:15 am-6:31 pm
2 stops21h 16m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Mon 10/19
3:30 pm-5:55 pm
2 stops17h 25m
Oslo Gardermoen
Fri 10/23
6:25 am-7:06 pm
2 stops21h 41m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Sat 10/31
11:25 am-4:10 pm
2 stops20h 45m
Oslo Gardermoen
Wed 11/4
6:05 am-11:20 am
1 stop14h 15m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Wed 11/11
11:31 am-4:10 pm
2 stops19h 39m
Oslo Gardermoen
Wed 11/18
6:05 am-11:20 am
1 stop14h 15m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Sun 11/1
1:20 pm-6:10 pm
1 stop19h 50m
Oslo Gardermoen
Fri 11/6
6:05 am-11:20 am
1 stop14h 15m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Mon 1/11
1:20 pm-6:10 pm
1 stop19h 50m
Oslo Gardermoen
Mon 1/18
6:05 am-11:20 am
1 stop14h 15m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Tue 1/19
2:18 pm-10:40 pm
2 stops23h 22m
Oslo Gardermoen
Wed 1/27
6:55 am-3:50 pm
1 stop17h 55m
PortlandOslo
PDX Portland - OSL Oslo Gardermoen
PDXOSL
Portland
Mon 2/1
5:45 pm-10:40 pm
1 stop19h 55m
Oslo Gardermoen
Fri 2/5
7:10 am-3:50 pm
1 stop17h 40m
See travel insights to Oslo from
How to get the cheapest flight ticket from Portland to Oslo
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?
Prices are currently low for flights on this route.
Typical prices usually range from $600 to $870.The lowest price recently found on this route was $444.
What is the cheapest month to fly to Oslo?
The month of April is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $436. If you’re not able to fly to Oslo in April, then November is your next best option. Flight prices from Portland to Oslo during November average around $506.
How far in advance should I book a flight from Portland to Oslo?
You are more likely to see cheaper flights to Oslo from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo for around $645 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo from Portland for as low as $537 on momondo.
What is the cheapest airline that flies from Portland to Oslo?
Delta and KLM are the most popular carriers operating from Portland to Oslo
What airlines fly to Oslo?
KLM, Icelandair and Delta are the top three most popular airlines that fly to Oslo from Portland according to our data. KLM is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 5 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.
Cheap Portland to Oslo flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Oslo
Frequently asked questions about flying from Portland to Oslo
How far is Portland to Oslo by plane?
Oslo is 4689.3 mi away from Portland. Typically, this will take 11h 50m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to Oslo?
Prices for flights from Portland Airport to Oslo are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Oslo?
As of August 2026, there are 5 operators available to choose from for flights from Portland Airport to Oslo.
How old do you have to be to fly from Portland Airport to Oslo?
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.
What documentation or ID do you need to fly to Oslo?
The travel and health documents required for your trip to Oslo 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Portland to Oslo
Compare and see reviews for airlines that fly from Portland to Oslo with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $424 | Free Cancellation | Rating 6.9 726 reviews | |||
| PriceFrom $485 | Free Cancellation | Rating 7.4 1,932 reviews | |||
| PriceFrom $496 | Free Cancellation | Rating 6.7 8,153 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.8 8,502 reviews | |||
| PriceFrom $544 | Free Cancellation | Rating 7.8 1,555 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Oslo?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Portland.
Can I find flights from Portland to Oslo with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Portland to Oslo flights to just show those with flexible booking policies.
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?
Yes. momondo can track prices for Portland to Oslo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.