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?

Icelandair, Air France, and Delta 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 December 2025, 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.

$208 Cheap Flights from Portland to Oslo in 2025/26

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 $566 to $694. The lowest price recently found on this route was $490.

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Find the cheapest flights from Portland to Oslo

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 pm - 10:40 pm

PDX

OSL

19h 55m1 stop

7:10 am - 3:55 pm

OSL

PDX

17h 45m1 stop

$490British Airways

Wed, Feb 18 - Fri, Feb 27

5:45 pm - 10:40 pm

PDX

OSL

19h 55m1 stop

7:20 am - 3:55 pm

OSL

PDX

17h 35m1 stop

$491British Airways

Mon, Feb 9 - Mon, Feb 16

7:00 am - 5:40 pm

PDX

OSL

25h 40m2 stops

6:15 am - 6:30 pm

OSL

PDX

21h 15m2 stops

$495Lufthansa

Fri, Jan 23 - Fri, Jan 30

1:18 pm - 5:40 pm

PDX

OSL

19h 22m2 stops

6:15 am - 11:04 pm

OSL

PDX

24h 49m2 stops

$505Lufthansa

Mon, Feb 23 - Tue, Mar 10

3:50 pm - 11:40 pm

PDX

OSL

22h 50m2 stops

6:10 am - 6:49 pm

OSL

PDX

21h 39m2 stops

$506Lufthansa

Wed, Feb 18 - Fri, Feb 27

3:50 pm - 11:40 pm

PDX

OSL

22h 50m2 stops

6:10 am - 11:19 pm

OSL

PDX

26h 09m2 stops

$507Lufthansa

Wed, Feb 18 - Fri, Feb 27

1:45 pm - 6:50 pm

PDX

OSL

21h 05m2 stops

6:30 am - 12:25 pm

OSL

PDX

13h 55m1 stop

$509Delta

Wed, Mar 11 - Mon, Mar 16

2:05 pm - 10:55 am

PDX

OSL

35h 50m2 stops

7:10 am - 3:55 pm

OSL

PDX

17h 45m1 stop

$511British Airways

Wed, Feb 18 - Fri, Feb 27

7:00 am - 2:05 pm

PDX

TRF

22h 05m2 stops

2:35 pm - 10:24 pm

TRF

PDX

40h 49m2 stops

$1,124Scandinavian Airlines

Sun, Feb 22 - Thu, Feb 26

3:30 pm - 11:45 pm

PDX

TRF

23h 15m2 stops

8:55 pm - 11:45 am

TRF

PDX

23h 50m2 stops

$1,130Multiple Airlines

Tue, Jun 16 - Mon, Jun 29

Delta flights from Portland to Oslo

Our best Delta deals on Portland to Oslo flight tickets

Delta

Mar 11

PDX1:45 pmPortland

21h 05m

2 stops

OSL6:50 pmOslo Gardermoen

Mar 16

OSL6:30 amOslo Gardermoen

13h 55m

1 stop

PDX12:25 pmPortland

$509

Find similar

Delta

Jan 23

PDX11:10 amPortland

20h 10m

2 stops

OSL4:20 pmOslo Gardermoen

Jan 30

OSL6:30 amOslo Gardermoen

13h 55m

1 stop

PDX11:25 amPortland

$516

Find similar

Delta

Feb 18

PDX11:35 amPortland

19h 45m

2 stops

OSL4:20 pmOslo Gardermoen

Feb 22

OSL6:30 amOslo Gardermoen

13h 55m

1 stop

PDX11:25 amPortland

$517

Find similar

United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets

United Airlines

Jan 23

PDX5:00 amPortland

27h 40m

2 stops

OSL5:40 pmOslo Gardermoen

Jan 27

OSL6:15 amOslo Gardermoen

23h 57m

2 stops

PDX9:12 pmPortland

$527

Find similar

United Airlines

Jan 23

PDX5:00 amPortland

27h 40m

2 stops

OSL5:40 pmOslo Gardermoen

Jan 27

OSL6:15 amOslo Gardermoen

45h 41m

3 stops

PDX6:56 pmPortland

$537

Find similar

United Airlines

Feb 28

PDX1:18 pmPortland

42h 52m

3 stops

OSL5:10 pmOslo Gardermoen

Mar 14

OSL1:50 pmOslo Gardermoen

18h 45m

2 stops

PDX12:35 amPortland

$539

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$490

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 2/9

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Mon 2/16

7:20 am-3:55 pm

1 stop17h 35m

$491

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 1/23

7:00 am-5:40 pm

2 stops25h 40m

Oslo Gardermoen

Fri 1/30

6:15 am-6:30 pm

2 stops21h 15m

$495

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 2/23

1:18 pm-5:40 pm

2 stops19h 22m

Oslo Gardermoen

Tue 3/10

6:15 am-11:04 pm

2 stops24h 49m

$505

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

3:50 pm-11:40 pm

2 stops22h 50m

Oslo Gardermoen

Fri 2/27

6:10 am-6:49 pm

2 stops21h 39m

$506

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

3:50 pm-11:40 pm

2 stops22h 50m

Oslo Gardermoen

Fri 2/27

6:10 am-11:19 pm

2 stops26h 09m

$507

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 3/11

1:45 pm-6:50 pm

2 stops21h 05m

Oslo Gardermoen

Mon 3/16

6:30 am-12:25 pm

1 stop13h 55m

$509

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

2:05 pm-10:55 am

2 stops35h 50m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$511

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 2/22

7:00 am-2:05 pm

2 stops22h 05m

Oslo Sandefjord

Thu 2/26

2:35 pm-10:24 pm

2 stops40h 49m

$1,124

PortlandOslo

PDX - TRF

PDXTRF

Portland

Tue 6/16

3:30 pm-11:45 pm

2 stops23h 15m

Oslo Sandefjord

Mon 6/29

8:55 pm-11:45 am

2 stops23h 50m

$1,130

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 $578.

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

Flying to Oslo from Portland in the morning is the least expensive time of day to depart. momondo users have found prices as low as $926 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around $1,216. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $799 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 $614 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	12h 05m
Direct flights	None

The fastest flight from Portland to Oslo takes 12h 05m

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 12h 05m 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 December 2025, 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 $317	Free Cancellation	Rating 7.4 1,630 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $436	Free Cancellation	Rating 7.0 592 reviews	Search Icelandair flights
British Airways	PriceFrom $579	Free Cancellation	Rating 6.7 7,616 reviews	Search British Airways flights
Delta	PriceFrom $589	Free Cancellation	Rating 7.9 8,016 reviews	Search Delta flights
KLM	PriceFrom $611	Free Cancellation	Rating 7.7 1,435 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.