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, KLM, and British Airways 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 October 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.

$374 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 $541 to $648. The lowest price recently found on this route was $474.

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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.

2:45 pm - 11:35 amPDX-OSL

11h 50m1 stop

1:10 pm - 5:00 pmOSL-PDX

12h 50m1 stop

$474Icelandair

Find Deal

Mon, Nov 3 - Mon, Nov 17

12:46 pm - 7:15 pmPDX-OSL

21h 29m2 stops

10:25 am - 10:56 pmOSL-PDX

21h 31m2 stops

$482Scandinavian Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

3:15 pm - 5:40 pmPDX-OSL

41h 25m2 stops

6:15 am - 6:30 pmOSL-PDX

21h 15m2 stops

$536Multiple Airlines

Find Deal

Thu, Nov 27 - Thu, Dec 4

3:15 pm - 5:40 pmPDX-OSL

41h 25m2 stops

6:15 am - 9:15 amOSL-PDX

36h 00m3 stops

$556Multiple Airlines

Find Deal

Thu, Nov 27 - Thu, Dec 4

5:45 pm - 10:40 pmPDX-OSL

19h 55m1 stop

7:10 am - 3:55 pmOSL-PDX

17h 45m1 stop

$561British Airways

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Wed, Feb 18 - Fri, Feb 27

11:10 am - 4:20 pmPDX-OSL

20h 10m2 stops

6:30 am - 11:25 amOSL-PDX

13h 55m1 stop

$563Delta

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Wed, Feb 18 - Fri, Feb 27

1:25 pm - 11:50 amPDX-OSL

13h 25m1 stop

12:40 pm - 11:25 amOSL-PDX

31h 45m1 stop

$564KLM

Find Deal

Fri, Jan 30 - Tue, Feb 10

1:25 pm - 12:30 pmPDX-OSL

14h 05m1 stop

7:45 am - 5:43 pmOSL-PDX

18h 58m2 stops

$573KLM

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Wed, Nov 26 - Wed, Dec 3

11:10 am - 4:20 pmPDX-OSL

21h 10m2 stops

6:30 am - 11:25 amOSL-PDX

13h 55m1 stop

$646Delta

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Wed, Oct 29 - Sun, Nov 9

5:45 pm - 5:30 pmPDX-OSL

14h 45m1 stop

7:25 pm - 4:55 pmOSL-PDX

29h 30m1 stop

$647British Airways

Find Deal

Fri, Mar 6 - Tue, Mar 10

Scandinavian Airlines flights from Portland to Oslo

Our best Scandinavian Airlines deals on Portland to Oslo flight tickets

Scandinavian Airlines

Nov 11

PDX12:46 pmPortland

21h 29m

2 stops

OSL7:15 pmOslo Gardermoen

Nov 18

OSL10:25 amOslo Gardermoen

21h 31m

2 stops

PDX10:56 pmPortland

$482

Find similar

Scandinavian Airlines

Feb 18

PDX1:00 pmPortland

20h 15m

2 stops

OSL6:15 pmOslo Gardermoen

Feb 27

OSL12:10 pmOslo Gardermoen

19h 12m

2 stops

PDX10:22 pmPortland

$483

Find similar

Scandinavian Airlines

Feb 18

PDX1:00 pmPortland

20h 15m

2 stops

OSL6:15 pmOslo Gardermoen

Feb 27

OSL12:10 pmOslo Gardermoen

19h 12m

2 stops

PDX10:22 pmPortland

$484

Find similar

British Airways flights from Portland to Oslo

Our best British Airways deals on Portland to Oslo flight tickets

British Airways

Feb 18

PDX5:45 pmPortland

19h 55m

1 stop

OSL10:40 pmOslo Gardermoen

Feb 27

OSL7:10 amOslo Gardermoen

17h 45m

1 stop

PDX3:55 pmPortland

$561

Find similar

British Airways

Mar 6

PDX5:45 pmPortland

14h 45m

1 stop

OSL5:30 pmOslo Gardermoen

Mar 10

OSL7:25 pmOslo Gardermoen

29h 30m

1 stop

PDX4:55 pmPortland

$647

Find similar

British Airways

Nov 3

PDX5:45 pmPortland

32h 10m

1 stop

OSL10:55 amOslo Gardermoen

Nov 17

OSL11:35 amOslo Gardermoen

20h 51m

2 stops

PDX11:26 pmPortland

$767

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 11/3

2:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Mon 11/17

1:10 pm-5:00 pm

1 stop12h 50m

$474

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 11/11

12:46 pm-7:15 pm

2 stops21h 29m

Oslo Gardermoen

Tue 11/18

10:25 am-10:56 pm

2 stops21h 31m

$482

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 11/27

3:15 pm-5:40 pm

2 stops41h 25m

Oslo Gardermoen

Thu 12/4

6:15 am-6:30 pm

2 stops21h 15m

$536

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 11/27

3:15 pm-5:40 pm

2 stops41h 25m

Oslo Gardermoen

Thu 12/4

6:15 am-9:15 am

3 stops36h 00m

$556

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

$561

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

11:10 am-4:20 pm

2 stops20h 10m

Oslo Gardermoen

Fri 2/27

6:30 am-11:25 am

1 stop13h 55m

$563

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 1/30

1:25 pm-11:50 am

1 stop13h 25m

Oslo Gardermoen

Tue 2/10

12:40 pm-11:25 am

1 stop31h 45m

$564

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 11/26

1:25 pm-12:30 pm

1 stop14h 05m

Oslo Gardermoen

Wed 12/3

7:45 am-5:43 pm

2 stops18h 58m

$573

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 10/29

11:10 am-4:20 pm

2 stops21h 10m

Oslo Gardermoen

Sun 11/9

6:30 am-11:25 am

1 stop13h 55m

$646

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 3/6

5:45 pm-5:30 pm

1 stop14h 45m

Oslo Gardermoen

Tue 3/10

7:25 pm-4:55 pm

1 stop29h 30m

$647

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 October is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $577. If you’re not able to fly to Oslo in October, then September is your next best option. Flight prices from Portland to Oslo during September average around $639.

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

The cheapest day to depart on your flight to Oslo is on a Tuesday when prices can be found for as low as $971. This is often the case because there is less demand to fly during this day of the week. 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 for around $1,320.

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 $843 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 $652 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

Direct flights	None

There are no direct flights from Portland to Oslo. There are no popular flight routes from Portland to Oslo.

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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 October 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 1,531 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $498	Free Cancellation	Rating 7.0 555 reviews	Search Icelandair flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,453 reviews	Search British Airways flights
Delta	PriceFrom $590	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
KLM	PriceFrom $607	Free Cancellation	Rating 7.7 1,402 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.