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Cheap flights from Portland to Oslo from $317

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.
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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
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$397Icelandair
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 - 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 - 12:35 pm
PDX
-
OSL
12h 05m
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
Scandinavian Airlines Logo
1:05 pm - 12:25 am
PDX
-
TRF
26h 20m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:42 pm
TRF
-
PDX
25h 42m
2 stops
$801Scandinavian Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
3:30 pm - 6:00 pm
PDX
-
TRF
17h 30m
2 stops
Multiple Airlines Logo
12:10 pm - 5:55 pm
TRF
-
PDX
14h 45m
2 stops
$845Multiple Airlines
Thu, May 14 - Fri, May 22
Scandinavian Airlines Logo
1:10 pm - 12:25 am
PDX
-
TRF
26h 15m
2 stops
Scandinavian Airlines Logo
6:00 am - 9:10 pm
TRF
-
PDX
24h 10m
2 stops
$855Scandinavian Airlines
Tue, Mar 31 - Sat, Apr 4
Scandinavian Airlines Logo
10:25 am - 2:05 pm
PDX
-
TRF
42h 40m
2 stops
Scandinavian Airlines Logo
2:00 pm - 10:10 pm
TRF
-
PDX
40h 10m
2 stops
$1,741Scandinavian Airlines
Wed, Mar 4 - Sun, Mar 8

Scandinavian Airlines flights from Portland to Oslo

Our best Scandinavian Airlines deals on Portland to Oslo 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
Feb 21
PDX5:45 amPortland
30h 15m
2 stops
OSL9:00 pmOslo Gardermoen
Feb 26
OSL4:25 pmOslo Gardermoen
28h 00m
1 stop
PDX11:25 amPortland
$539
Scandinavian Airlines
Mar 8
PDX10:30 pmPortland
26h 10m
2 stops
OSL8:40 amOslo Gardermoen
Mar 16
OSL6:25 amOslo Gardermoen
22h 34m
2 stops
PDX8:59 pmPortland
$541

Delta flights from Portland to Oslo

Our best Delta deals on Portland to Oslo flight tickets
Delta
Apr 20
PDX1:25 pmPortland
20h 20m
2 stops
OSL6:45 pmOslo Gardermoen
Apr 27
OSL6:30 amOslo Gardermoen
13h 40m
1 stop
PDX11:10 amPortland
$468
Delta
Apr 23
PDX7:32 pmPortland
16h 08m
2 stops
OSL8:40 pmOslo Gardermoen
May 7
OSL2:10 pmOslo Gardermoen
30h 00m
1 stop
PDX11:10 amPortland
$469
Delta
Mar 9
PDX10:42 amPortland
21h 38m
2 stops
OSL4:20 pmOslo Gardermoen
Mar 18
OSL6:30 amOslo Gardermoen
13h 55m
1 stop
PDX12:25 pmPortland
$470

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 14, 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

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

$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-12:35 pm

1 stop12h 05m

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 - TRF

PDXTRF

Portland

Mon 4/20

1:05 pm-12:25 am

2 stops26h 20m

Oslo Sandefjord

Mon 4/27

6:00 am-10:42 pm

2 stops25h 42m

$801

PortlandOslo

PDX - TRF

PDXTRF

Portland

Thu 5/14

3:30 pm-6:00 pm

2 stops17h 30m

Oslo Sandefjord

Fri 5/22

12:10 pm-5:55 pm

2 stops14h 45m

$845

PortlandOslo

PDX - TRF

PDXTRF

Portland

Tue 3/31

1:10 pm-12:25 am

2 stops26h 15m

Oslo Sandefjord

Sat 4/4

6:00 am-9:10 pm

2 stops24h 10m

$855

PortlandOslo

PDX - TRF

PDXTRF

Portland

Wed 3/4

10:25 am-2:05 pm

2 stops42h 40m

Oslo Sandefjord

Sun 3/8

2:00 pm-10:10 pm

2 stops40h 10m

$1,741

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 $722 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
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

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