What airlines fly to Oslo?

Icelandair, KLM and Delta are the top three most popular airlines that fly to Oslo from Portland according to our data. Icelandair is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 5 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to Oslo?

KLM and Lufthansa are the most popular carriers operating from Portland to Oslo

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?

As of January 2026, there are 5 operators available to choose from 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.

$245 Cheap Flights from Portland to Oslo in 2026

Q: What is the typical price of a round-trip flight between Portland and Oslo?

Prices are currently low for flights on this route. Typical prices usually range from $609 to $707. The lowest price recently found on this route was $396.

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Find the cheapest flights from Portland to Oslo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 3:25 pm

PDX

OSL

14h 55m

1 stop

1:50 pm - 6:00 pm

OSL

PDX

13h 10m

1 stop

$396Icelandair

Mon, Apr 20 - Mon, Apr 27

6:05 pm - 8:40 pm

PDX

OSL

17h 35m

2 stops

6:30 am - 5:10 pm

OSL

PDX

19h 40m

2 stops

$476Delta

Mon, Apr 20 - Mon, Apr 27

7:00 am - 8:40 am

PDX

OSL

16h 40m

2 stops

6:30 am - 11:25 am

OSL

PDX

13h 55m

1 stop

$480KLM

Wed, Feb 18 - Fri, Feb 27

6:05 pm - 8:40 pm

PDX

OSL

17h 35m

2 stops

6:30 am - 11:10 am

OSL

PDX

13h 40m

1 stop

$485Delta

Mon, Apr 20 - Mon, Apr 27

7:00 am - 8:40 am

PDX

OSL

16h 40m

2 stops

6:25 am - 4:08 pm

OSL

PDX

18h 43m

2 stops

$489Multiple Airlines

Wed, Feb 18 - Fri, Feb 27

3:45 pm - 11:35 am

PDX

OSL

11h 50m

1 stop

1:10 pm - 6:00 pm

OSL

PDX

12h 50m

1 stop

$503Icelandair

Tue, Mar 17 - Wed, Mar 25

1:52 pm - 10:40 pm

PDX

OSL

24h 48m

2 stops

7:20 am - 4:55 pm

OSL

PDX

17h 35m

1 stop

$512British Airways

Mon, Mar 9 - Mon, Mar 16

5:45 pm - 10:40 pm

PDX

OSL

19h 55m

1 stop

7:20 am - 3:55 pm

OSL

PDX

17h 35m

1 stop

$514British Airways

Mon, Feb 23 - Mon, Mar 2

11:03 am - 12:25 am

PDX

TRF

28h 22m

2 stops

6:00 am - 10:42 pm

TRF

PDX

25h 42m

2 stops

$891Scandinavian Airlines

Mon, Apr 20 - Mon, Apr 27

10:58 am - 2:05 pm

PDX

TRF

43h 07m

2 stops

6:00 am - 10:10 pm

TRF

PDX

24h 10m

2 stops

$1,595Scandinavian Airlines

Sat, Mar 14 - Sat, Mar 28

Lufthansa flights from Portland to Oslo

Our best Lufthansa deals on Portland to Oslo flight tickets

Lufthansa

Feb 23

PDX7:30 amPortland

22h 50m

2 stops

OSL3:20 pmOslo Gardermoen

Mar 2

OSL6:10 amOslo Gardermoen

27h 24m

2 stops

PDX12:34 amPortland

$521

Lufthansa

Feb 18

PDX3:50 pmPortland

22h 50m

2 stops

OSL11:40 pmOslo Gardermoen

Feb 27

OSL6:15 amOslo Gardermoen

21h 40m

2 stops

PDX6:55 pmPortland

$610

Lufthansa

May 14

PDX3:59 pmPortland

21h 06m

2 stops

OSL10:05 pmOslo Gardermoen

May 25

OSL4:45 pmOslo Gardermoen

35h 20m

2 stops

PDX7:05 pmPortland

$714

KLM flights from Portland to Oslo

Our best KLM deals on Portland to Oslo flight tickets

KLM

Feb 18

PDX7:00 amPortland

16h 40m

2 stops

OSL8:40 amOslo Gardermoen

Feb 27

OSL6:30 amOslo Gardermoen

13h 55m

1 stop

PDX11:25 amPortland

$480

KLM

Feb 18

PDX1:25 pmPortland

22h 35m

1 stop

OSL9:00 pmOslo Gardermoen

Feb 27

OSL6:30 amOslo Gardermoen

13h 55m

1 stop

PDX11:25 amPortland

$543

KLM

Feb 4

PDX1:25 pmPortland

22h 35m

1 stop

OSL9:00 pmOslo Gardermoen

Feb 15

OSL6:30 amOslo Gardermoen

17h 41m

2 stops

PDX3:11 pmPortland

$553

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/20

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Mon 4/27

1:50 pm-6:00 pm

1 stop13h 10m

$396

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/20

6:05 pm-8:40 pm

2 stops17h 35m

Oslo Gardermoen

Mon 4/27

6:30 am-5:10 pm

2 stops19h 40m

$476

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

7:00 am-8:40 am

2 stops16h 40m

Oslo Gardermoen

Fri 2/27

6:30 am-11:25 am

1 stop13h 55m

$480

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/20

6:05 pm-8:40 pm

2 stops17h 35m

Oslo Gardermoen

Mon 4/27

6:30 am-11:10 am

1 stop13h 40m

$485

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

7:00 am-8:40 am

2 stops16h 40m

Oslo Gardermoen

Fri 2/27

6:25 am-4:08 pm

2 stops18h 43m

$489

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/17

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Wed 3/25

1:10 pm-6:00 pm

1 stop12h 50m

$503

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/9

1:52 pm-10:40 pm

2 stops24h 48m

Oslo Gardermoen

Mon 3/16

7:20 am-4:55 pm

1 stop17h 35m

$512

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 2/23

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Mon 3/2

7:20 am-3:55 pm

1 stop17h 35m

$514

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 4/20

11:03 am-12:25 am

2 stops28h 22m

Oslo Sandefjord

Mon 4/27

6:00 am-10:42 pm

2 stops25h 42m

$891

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sat 3/14

10:58 am-2:05 pm

2 stops43h 07m

Oslo Sandefjord

Sat 3/28

6:00 am-10:10 pm

2 stops24h 10m

$1,595

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 November is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $549. If you’re not able to fly to Oslo in November, then October is your next best option. Flight prices from Portland to Oslo during October average around $577.

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 $756 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 $600 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 50m
Direct flights	None

The fastest flight from Portland to Oslo takes 11h 50m

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 50m 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?
As of January 2026, there are 5 operators available to choose from 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
Scandinavian Airlines	PriceFrom $421	Free Cancellation	Rating 7.3 1,672 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $436	Free Cancellation	Rating 7.1 603 reviews	Search Icelandair flights
British Airways	PriceFrom $516	Free Cancellation	Rating 6.7 7,704 reviews	Search British Airways flights
Delta	PriceFrom $548	Free Cancellation	Rating 7.9 8,124 reviews	Search Delta flights
KLM	PriceFrom $596	Free Cancellation	Rating 7.7 1,443 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.