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Cheap flights from Portland to Oslo from $341

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 11/15. 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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0 bags

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Find the cheapest flights from Portland to Oslo

Cheap round-trip flights

Scandinavian Airlines Logo
10:23 am - 7:15 pmPDX-OSL
23h 52m2 stops
Scandinavian Airlines Logo
6:55 pm - 10:54 pmOSL-PDX
35h 59m2 stops
$484Scandinavian Airlines
Find Deal
Wed, Oct 15 - Sun, Oct 26
Icelandair Logo
3:20 pm - 12:35 pmPDX-OSL
12h 15m1 stop
Icelandair Logo
1:10 pm - 6:00 pmOSL-PDX
12h 50m1 stop
$485Icelandair
Find Deal
Fri, Oct 24 - Fri, Oct 31
Icelandair Logo
3:20 pm - 12:35 pmPDX-OSL
12h 15m1 stop
Icelandair Logo
4:45 pm - 5:55 pmOSL-PDX
34h 10m1 stop
$503Icelandair
Find Deal
Mon, Oct 13 - Mon, Oct 20
Logo
6:15 am - 11:55 pmPDX-OSL
32h 40m2 stops
Logo
9:45 am - 11:01 pmOSL-PDX
22h 16m2 stops
$553
Find Deal
Wed, Oct 15 - Tue, Oct 21
Logo
9:55 am - 6:00 pmPDX-OSL
23h 05m2 stops
Logo
1:00 pm - 2:46 pmOSL-PDX
58h 46m2 stops
$589
Find Deal
Wed, Oct 15 - Mon, Oct 20
Delta Logo
1:25 pm - 6:50 pmPDX-OSL
20h 25m2 stops
Delta Logo
6:30 am - 11:20 amOSL-PDX
13h 50m1 stop
$608Delta
Find Deal
Wed, Oct 15 - Mon, Oct 20
British Airways Logo
5:45 pm - 10:10 pmPDX-OSL
19h 25m1 stop
British Airways Logo
7:25 pm - 4:55 pmOSL-PDX
29h 30m1 stop
$611British Airways
Find Deal
Fri, Mar 6 - Tue, Mar 10
KLM Logo
12:06 pm - 12:30 pmPDX-OSL
16h 24m2 stops
KLM Logo
12:40 pm - 11:25 amOSL-PDX
31h 45m1 stop
$621KLM
Find Deal
Tue, Oct 28 - Tue, Nov 4
Delta Logo
1:15 pm - 6:35 pmPDX-OSL
20h 20m1 stop
Delta Logo
6:00 am - 9:04 pmOSL-PDX
24h 04m2 stops
$627Delta
Find Deal
Wed, Oct 15 - Tue, Oct 21
KLM Logo
1:15 pm - 11:05 amPDX-OSL
12h 50m1 stop
KLM Logo
10:05 am - 11:20 amOSL-PDX
34h 15m1 stop
$644KLM
Find Deal
Wed, Oct 15 - Sun, Oct 19

Scandinavian Airlines flights from Portland to Oslo Gardermoen Airport

Our best Scandinavian Airlines deals on Portland to Oslo Gardermoen Airport flight tickets
Scandinavian Airlines
Oct 15
PDX10:23 amPortland
23h 52m
2 stops
OSL7:15 pmOslo Gardermoen
Oct 26
OSL6:55 pmOslo Gardermoen
35h 59m
2 stops
PDX10:54 pmPortland
$484
Find similar
Scandinavian Airlines
Oct 28
PDX12:40 pmPortland
22h 35m
2 stops
OSL7:15 pmOslo Gardermoen
Nov 4
OSL10:00 amOslo Gardermoen
20h 04m
2 stops
PDX9:04 pmPortland
$506
Find similar
Scandinavian Airlines
Nov 12
PDX12:46 pmPortland
20h 29m
2 stops
OSL6:15 pmOslo Gardermoen
Nov 16
OSL6:55 pmOslo Gardermoen
37h 01m
2 stops
PDX10:56 pmPortland
$518
Find similar

Icelandair flights from Portland to Oslo Gardermoen Airport

Our best Icelandair deals on Portland to Oslo Gardermoen Airport flight tickets
Icelandair
Oct 24
PDX3:20 pmPortland
12h 15m
1 stop
OSL12:35 pmOslo Gardermoen
Oct 31
OSL1:10 pmOslo Gardermoen
12h 50m
1 stop
PDX6:00 pmPortland
$485
Find similar
Icelandair
Oct 13
PDX3:20 pmPortland
12h 15m
1 stop
OSL12:35 pmOslo Gardermoen
Oct 20
OSL4:45 pmOslo Gardermoen
34h 10m
1 stop
PDX5:55 pmPortland
$503
Find similar
Icelandair
Oct 15
PDX3:20 pmPortland
12h 15m
1 stop
OSL12:35 pmOslo Gardermoen
Oct 26
OSL9:30 pmOslo Gardermoen
28h 30m
1 stop
PDX6:00 pmPortland
$545
Find similar

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 September 15, 2025.
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

Wed 10/15

10:23 am-7:15 pm

2 stops23h 52m

Oslo Gardermoen

Sun 10/26

6:55 pm-10:54 pm

2 stops35h 59m

$484

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 10/24

3:20 pm-12:35 pm

1 stop12h 15m

Oslo Gardermoen

Fri 10/31

1:10 pm-6:00 pm

1 stop12h 50m

$485

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 10/13

3:20 pm-12:35 pm

1 stop12h 15m

Oslo Gardermoen

Mon 10/20

4:45 pm-5:55 pm

1 stop34h 10m

$503

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 10/15

6:15 am-11:55 pm

2 stops32h 40m

Oslo Gardermoen

Tue 10/21

9:45 am-11:01 pm

2 stops22h 16m

$553

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 10/15

9:55 am-6:00 pm

2 stops23h 05m

Oslo Gardermoen

Mon 10/20

1:00 pm-2:46 pm

2 stops58h 46m

$589

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 10/15

1:25 pm-6:50 pm

2 stops20h 25m

Oslo Gardermoen

Mon 10/20

6:30 am-11:20 am

1 stop13h 50m

$608

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 3/6

5:45 pm-10:10 pm

1 stop19h 25m

Oslo Gardermoen

Tue 3/10

7:25 pm-4:55 pm

1 stop29h 30m

$611

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 10/28

12:06 pm-12:30 pm

2 stops16h 24m

Oslo Gardermoen

Tue 11/4

12:40 pm-11:25 am

1 stop31h 45m

$621

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 10/15

1:15 pm-6:35 pm

1 stop20h 20m

Oslo Gardermoen

Tue 10/21

6:00 am-9:04 pm

2 stops24h 04m

$627

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 10/15

1:15 pm-11:05 am

1 stop12h 50m

Oslo Gardermoen

Sun 10/19

10:05 am-11:20 am

1 stop34h 15m

$644

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 October. Flight prices, which tend to average around $577, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Oslo Gardermoen Airport from Portland during September instead. Flights to Oslo Gardermoen Airport in September, while not as cheap as those in October, still average around $639.

What is the cheapest day to depart on your flight to Oslo Gardermoen Airport?

According to our data, Tuesday is the cheapest day to fly to Oslo Gardermoen Airport from Portland. The lowest ticket price found for a Tuesday departure recently was $971. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Oslo Gardermoen Airport for around $1,320.

What is the cheapest time of day to depart on your flight to Oslo Gardermoen Airport?

Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is in the morning. Flights from Portland to Oslo Gardermoen Airport during this time can be as low as $926. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is in the afternoon when prices are around $1,216.

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 $846 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 $652 on momondo.

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

Direct flights

None
There are no direct flights from Portland to Oslo Gardermoen Airport. There are no popular flight routes from Portland to Oslo Gardermoen Airport.
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  • 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 12h 15m, 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
Scandinavian AirlinesPriceFrom $317Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $498Free CancellationRating
7.0
544 reviews
Search Icelandair flights
British AirwaysPriceFrom $581Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
DeltaPriceFrom $588Free CancellationRating
7.9
7,954 reviews
Search Delta flights
KLMPriceFrom $607Free CancellationRating
7.8
1,385 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
Drammen
Lillehammer

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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