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Cheap flights from Portland to Oslo from $316

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 5/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:45 pm - 11:35 am
PDX
-
OSL
11h 50m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$397Icelandair
Sat, Mar 28 - Sun, Apr 5
Icelandair Logo
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
4:30 pm - 6:00 pm
OSL
-
PDX
34h 30m
1 stop
$399Icelandair
Mon, Mar 30 - Thu, Apr 9
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$411Icelandair
Sat, Apr 25 - Sun, May 3
Icelandair Logo
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
4:30 pm - 6:00 pm
OSL
-
PDX
34h 30m
1 stop
$412Icelandair
Mon, Apr 27 - Tue, May 5
Icelandair Logo
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
4:30 pm - 11:45 am
OSL
-
PDX
28h 15m
1 stop
$415Icelandair
Mon, May 18 - Mon, May 25
Icelandair Logo
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
4:30 pm - 11:45 am
OSL
-
PDX
28h 15m
1 stop
$416Icelandair
Mon, May 18 - Mon, May 25
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
4:30 pm - 5:55 pm
OSL
-
PDX
34h 25m
1 stop
$420Icelandair
Mon, May 11 - Tue, May 19
Icelandair Logo
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
4:30 pm - 5:55 pm
OSL
-
PDX
34h 25m
1 stop
$421Icelandair
Tue, Jun 2 - Thu, Jun 18
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$424Icelandair
Tue, Mar 31 - Sun, Apr 5
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
4:30 pm - 6:00 pm
OSL
-
PDX
34h 30m
1 stop
$426Icelandair
Tue, Mar 31 - Sat, Apr 4

Scandinavian Airlines flights from Portland to Oslo Gardermoen Airport

Our best Scandinavian Airlines deals on Portland to Oslo Gardermoen Airport flight tickets
Scandinavian Airlines
Mar 7
PDX9:45 pmPortland
30h 40m
2 stops
OSL1:25 pmOslo Gardermoen
Mar 17
OSL6:25 amOslo Gardermoen
23h 28m
2 stops
PDX9:53 pmPortland
$494
Scandinavian Airlines
Mar 28
PDX7:00 amPortland
23h 15m
2 stops
OSL2:15 pmOslo Gardermoen
Apr 5
OSL2:10 pmOslo Gardermoen
30h 00m
1 stop
PDX11:10 amPortland
$497

Icelandair flights from Portland to Oslo Gardermoen Airport

Our best Icelandair deals on Portland to Oslo Gardermoen Airport flight tickets
Icelandair
Mar 28
PDX3:45 pmPortland
11h 50m
1 stop
OSL11:35 amOslo Gardermoen
Apr 5
OSL1:50 pmOslo Gardermoen
13h 10m
1 stop
PDX6:00 pmPortland
$397
Icelandair
Mar 30
PDX3:30 pmPortland
14h 55m
1 stop
OSL3:25 pmOslo Gardermoen
Apr 9
OSL4:30 pmOslo Gardermoen
34h 30m
1 stop
PDX6:00 pmPortland
$399
Icelandair
Apr 25
PDX3:30 pmPortland
12h 05m
1 stop
OSL12:35 pmOslo Gardermoen
May 3
OSL1:50 pmOslo Gardermoen
13h 10m
1 stop
PDX6:00 pmPortland
$411

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Oslo Gardermoen 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 February 13, 2026.
Use the filters below to find and compare flights from Portland to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 3/28

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sun 4/5

1:50 pm-6:00 pm

1 stop13h 10m

$397

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/30

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Thu 4/9

4:30 pm-6:00 pm

1 stop34h 30m

$399

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 4/25

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Sun 5/3

1:50 pm-6:00 pm

1 stop13h 10m

$411

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/27

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Tue 5/5

4:30 pm-6:00 pm

1 stop34h 30m

$412

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 5/18

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Mon 5/25

4:30 pm-11:45 am

1 stop28h 15m

$415

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 5/18

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Mon 5/25

4:30 pm-11:45 am

1 stop28h 15m

$416

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 5/11

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Tue 5/19

4:30 pm-5:55 pm

1 stop34h 25m

$420

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 6/2

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Thu 6/18

4:30 pm-5:55 pm

1 stop34h 25m

$421

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/31

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Sun 4/5

1:50 pm-6:00 pm

1 stop13h 10m

$424

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/31

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Sat 4/4

4:30 pm-6:00 pm

1 stop34h 30m

$426

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

What is the cheapest month to fly to Oslo Gardermoen Airport?

The cheapest month to fly to Oslo Gardermoen Airport from Portland is in January. Flight prices, which tend to average around $538, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, 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 January, still average around $549.

How far in advance should I book a flight 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 $726 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 $623 on momondo.

Can stopping save me money on Portland to Oslo Gardermoen Airport flights?

You could potentially save up to 19% 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 February 2026, prices for Portland to Oslo Gardermoen Airport flights are approximately 44% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Oslo Gardermoen Airport

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

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

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from Portland to Oslo Gardermoen Airport takes 11h 20m
There are no direct flights from Portland to Oslo Gardermoen Airport. There are no popular flight routes from Portland to Oslo Gardermoen Airport.
Search flight deals

  • 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 20m, 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?

  • 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?

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
IcelandairPriceFrom $436Free CancellationRating
7.1
614 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.3
1,682 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $516Free CancellationRating
6.7
7,737 reviews
Search British Airways flights
DeltaPriceFrom $548Free CancellationRating
7.9
8,196 reviews
Search Delta flights
KLMPriceFrom $594Free CancellationRating
7.7
1,454 reviews
Search KLM flights

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Gardermoen
Fredrikstad
Lillehammer
Drammen

Why use momondo?

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.

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