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Cheap flights from Portland to Oslo from $168

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 4/13. 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 - 2:25 pm
PDX
-
OSL
14h 40m
1 stop
Icelandair Logo
4:30 pm - 6:00 pm
OSL
-
PDX
34h 30m
1 stop
$366Icelandair
Sat, Mar 28 - Sun, Apr 12
Icelandair Logo
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$398Icelandair
Sat, Apr 11 - Mon, Apr 20
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
$402Icelandair
Mon, Apr 20 - Mon, Apr 27
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
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$425Icelandair
Tue, Mar 31 - Sun, Apr 5
Icelandair Logo
7:05 pm - 3:25 pm
PDX
-
OSL
11h 20m
1 stop
Icelandair Logo
4:30 pm - 11:45 am
OSL
-
PDX
28h 15m
1 stop
$426Icelandair
Sun, Jul 5 - Fri, Jul 17
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
$427Icelandair
Tue, Mar 31 - Sat, Apr 4
Scandinavian Airlines Logo
1:38 pm - 2:30 pm
PDX
-
TRF
15h 52m
2 stops
Scandinavian Airlines Logo
3:05 pm - 6:41 pm
TRF
-
PDX
36h 36m
2 stops
$705Scandinavian Airlines
Sat, Aug 15 - Mon, Aug 24
Scandinavian Airlines Logo
1:38 pm - 2:30 pm
PDX
-
TRF
15h 52m
2 stops
Scandinavian Airlines Logo
6:00 am - 6:41 pm
TRF
-
PDX
21h 41m
2 stops
$721Scandinavian Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
3:30 pm - 9:10 pm
PDX
-
TRF
20h 40m
2 stops
Multiple Airlines Logo
3:30 pm - 6:00 pm
TRF
-
PDX
35h 30m
2 stops
$767Multiple Airlines
Mon, May 4 - Thu, May 14

KLM flights from Portland to Oslo

Our best KLM deals on Portland to Oslo flight tickets
KLM
Feb 23
PDX1:25 pmPortland
22h 35m
1 stop
OSL9:00 pmOslo Gardermoen
Feb 26
OSL7:00 pmOslo Gardermoen
25h 25m
1 stop
PDX11:25 amPortland
$478
KLM
Feb 23
PDX7:00 amPortland
16h 40m
2 stops
OSL8:40 amOslo Gardermoen
Feb 26
OSL5:00 pmOslo Gardermoen
27h 25m
1 stop
PDX11:25 amPortland
$483
KLM
Apr 9
PDX1:05 pmPortland
22h 50m
1 stop
OSL8:55 pmOslo Gardermoen
Apr 23
OSL9:20 amOslo Gardermoen
34h 50m
1 stop
PDX11:10 amPortland
$544

Delta flights from Portland to Oslo

Our best Delta deals on Portland to Oslo flight tickets
Delta
Jun 4
PDX3:32 pmPortland
20h 08m
2 stops
OSL8:40 pmOslo Gardermoen
Jun 7
OSL6:30 amOslo Gardermoen
13h 40m
1 stop
PDX11:10 amPortland
$470
Delta
Mar 31
PDX1:05 pmPortland
15h 35m
1 stop
OSL1:40 pmOslo Gardermoen
Apr 7
OSL6:00 amOslo Gardermoen
25h 10m
2 stops
PDX10:10 pmPortland
$476
Delta
Mar 31
PDX1:05 pmPortland
13h 00m
1 stop
OSL11:05 amOslo Gardermoen
Apr 8
OSL11:50 amOslo Gardermoen
32h 20m
1 stop
PDX11:10 amPortland
$477

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Oslo 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 21, 2026.
Use the filters below to find and compare flights from Portland to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 3/28

3:45 pm-2:25 pm

1 stop14h 40m

Oslo Gardermoen

Sun 4/12

4:30 pm-6:00 pm

1 stop34h 30m

$366

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 4/11

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Mon 4/20

1:50 pm-6:00 pm

1 stop13h 10m

$398

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/20

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Mon 4/27

1:50 pm-6:00 pm

1 stop13h 10m

$402

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

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

$425

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 7/5

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Fri 7/17

4:30 pm-11:45 am

1 stop28h 15m

$426

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

$427

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sat 8/15

1:38 pm-2:30 pm

2 stops15h 52m

Oslo Sandefjord

Mon 8/24

3:05 pm-6:41 pm

2 stops36h 36m

$705

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sat 8/15

1:38 pm-2:30 pm

2 stops15h 52m

Oslo Sandefjord

Sat 8/22

6:00 am-6:41 pm

2 stops21h 41m

$721

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 5/4

3:30 pm-9:10 pm

2 stops20h 40m

Oslo Sandefjord

Thu 5/14

3:30 pm-6:00 pm

2 stops35h 30m

$767

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

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?

What is the cheapest month to fly to Oslo?

The month of January is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $538. If you’re not able to fly to Oslo in January, then November is your next best option. Flight prices from Portland to Oslo during November average around $549.

How far in advance should I book a flight 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 $718 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 $623 on momondo.

Cheap Portland to Oslo flight deals and tips

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

Fastest flight time

11h 20m

Direct flights

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

  • How far is Portland to Oslo by plane?

    Oslo is 4689.3 mi away from Portland. Typically, this will take 11h 20m 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?

  • 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
IcelandairPriceFrom $436Free CancellationRating
7.1
617 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.3
1,692 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,756 reviews
Search British Airways flights
DeltaPriceFrom $533Free CancellationRating
7.9
8,230 reviews
Search Delta flights
KLMPriceFrom $544Free CancellationRating
7.7
1,457 reviews
Search KLM flights

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.

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Find better results for your trip to Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo
Oslo Gardermoen Airport
Oslo Sandefjord Airport