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Cheap flights from Portland to Oslo from $631

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Oslo departing on 11/12. 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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Find the cheapest flights from Portland to Oslo

Cheap round-trip flights

Scandinavian Airlines Logo
1:00 pm - 2:05 pmPDX-TRF
40h 05m2 stops
Scandinavian Airlines Logo
2:35 pm - 10:20 pmTRF-PDX
40h 45m2 stops
$631Scandinavian Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
Logo
3:20 pm - 6:00 pmPDX-TRF
17h 40m2 stops
Logo
9:00 am - 5:55 pmTRF-PDX
17h 55m2 stops
$2,833
Find Deal
Mon, Sep 8 - Wed, Sep 17

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Oslo Sandefjord Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Portland to Oslo Sandefjord Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - TRF

PDXTRF

Portland

Wed 11/12

1:00 pm-2:05 pm

2 stops40h 05m

Oslo Sandefjord

Sun 11/16

2:35 pm-10:20 pm

2 stops40h 45m

$631

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 9/8

3:20 pm-6:00 pm

2 stops17h 40m

Oslo Sandefjord

Wed 9/17

9:00 am-5:55 pm

2 stops17h 55m

$2,833

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 9/1

11:14 am-2:20 pm

2 stops18h 06m

$2,390

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Oslo from

How to get the cheapest flight ticket from Portland to Oslo Sandefjord 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 cheapest airline that flies from Portland to Oslo Sandefjord?

Scandinavian Airlines is the most popular carrier operating from Portland to Oslo Sandefjord

When to book flights from Portland to Oslo Sandefjord Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Oslo Sandefjord Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Oslo Sandefjord Airport (PDX to TRF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Oslo Sandefjord Airport

Best Price Found

$2,390

Fastest flight time

17h 40m

Direct flights

None
The best one-way flight to Oslo Sandefjord Airport from Portland in the past 72 hours is $2,390. The best round-trip flight deal from Portland to Oslo Sandefjord Airport found on momondo in the last 72 hours is $631.
The fastest flight from Portland to Oslo Sandefjord Airport takes 17h 40m
There are no direct flights from Portland to Oslo Sandefjord Airport. Popular non-direct route for this connection is Portland Airport - Oslo Sandefjord Airport.
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  • How far is Portland to Oslo Sandefjord by plane?

    There are 4721.7 mi between Portland and Oslo Sandefjord. 17h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Oslo Sandefjord Airport?

    Prices for flights from Portland Airport to Oslo Sandefjord Airport were last updated today.

  • How old do you have to be to fly from Portland Airport to Oslo Sandefjord Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Oslo Sandefjord Airport.

  • What documentation or ID do you need to fly to Oslo Sandefjord Airport?

    The travel and health documents required for your trip to Oslo Sandefjord 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 Sandefjord Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Sandefjord

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 enables you to select and highlight flights to Oslo from Portland with this policy.

How can momondo help me find flights from Portland to Oslo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Oslo from Portland.

I’m not ready to book a flight from Portland to Oslo right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Oslo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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