What airlines fly to Oslo?

KLM, Icelandair and Delta are the top three most popular airlines that fly to Oslo from Portland according to our data. KLM is the first choice among our users, with 41% 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, British Airways, and American Airlines 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 September 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.

$261 Cheap Flights from Portland to Oslo in 2026

Discover deals from 900+ travel sites with momondo.

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 - 12:15 pmPDX Portland-OSL Oslo Gardermoen

11h 45m1 stop Reykjavik Keflavik Intl

1:50 pm - 5:55 pmOSL Oslo Gardermoen-PDX Portland

13h 05m1 stop Reykjavik Keflavik Intl

$446Icelandair

Wed, Oct 7 - Wed, Oct 21

2:45 pm - 11:35 amPDX Portland-OSL Oslo Gardermoen

11h 50m1 stop Reykjavik Keflavik Intl

1:10 pm - 5:00 pmOSL Oslo Gardermoen-PDX Portland

12h 50m1 stop Reykjavik Keflavik Intl

$447Icelandair

Wed, Feb 10 - Sun, Feb 28

3:30 pm - 5:55 pmPDX Portland-OSL Oslo Gardermoen

17h 25m2 stops Vancouver Intl Munich Franz Josef Strauss

6:25 am - 7:11 pmOSL Oslo Gardermoen-PDX Portland

21h 46m2 stops Frankfurt am Main Vancouver Intl

$487Multiple Airlines

Wed, Oct 14 - Sun, Oct 18

7:00 am - 5:40 pmPDX Portland-OSL Oslo Gardermoen

25h 40m2 stops Vancouver Intl Munich Franz Josef Strauss

9:35 am - 9:26 amOSL Oslo Gardermoen-PDX Portland

32h 51m3 stops Frankfurt am Main Calgary Vancouver Intl

$499Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

10:15 pm - 11:45 amPDX Portland-OSL Oslo Gardermoen

28h 30m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

9:30 am - 11:20 amOSL Oslo Gardermoen-PDX Portland

34h 50m1 stop Amsterdam Schiphol

$621Delta

Thu, Oct 22 - Thu, Nov 5

11:25 am - 11:45 amPDX Portland-OSL Oslo Gardermoen

15h 20m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

9:30 am - 11:20 amOSL Oslo Gardermoen-PDX Portland

34h 50m1 stop Amsterdam Schiphol

$624Delta

Thu, Oct 22 - Thu, Nov 5

1:05 pm - 12:30 pmPDX Portland-OSL Oslo Gardermoen

14h 25m1 stop Amsterdam Schiphol

9:30 am - 11:20 amOSL Oslo Gardermoen-PDX Portland

34h 50m1 stop Amsterdam Schiphol

$628KLM

Thu, Oct 22 - Thu, Nov 5

1:40 pm - 12:25 pmPDX Portland-OSL Oslo Gardermoen

13h 45m1 stop Amsterdam Schiphol

6:05 am - 11:40 amOSL Oslo Gardermoen-PDX Portland

14h 35m1 stop Amsterdam Schiphol

$634KLM

Wed, Dec 2 - Wed, Dec 9

5:45 pm - 10:40 pmPDX Portland-OSL Oslo Gardermoen

19h 55m1 stop London Heathrow

6:35 pm - 3:50 pmOSL Oslo Gardermoen-PDX Portland

30h 15m1 stop London Heathrow

$740British Airways

Sun, Nov 15 - Sat, Nov 21

5:45 pm - 10:40 pmPDX Portland-OSL Oslo Gardermoen

19h 55m1 stop London Heathrow

6:35 pm - 3:50 pmOSL Oslo Gardermoen-PDX Portland

30h 15m1 stop London Heathrow

$741British Airways

Sun, Nov 15 - Sat, Nov 21

Cheap last minute flights

Enter your travel dates to find the best prices.

9:00 am - 10:05 pmPDX Portland-OSL Oslo Gardermoen

28h 05m2 stops San Francisco Munich Franz Josef Strauss

6:35 am - 7:11 pmOSL Oslo Gardermoen-PDX Portland

21h 36m2 stops Frankfurt am Main Vancouver Intl

$514Lufthansa

Sun, Sep 6 - Wed, Sep 16

9:00 am - 10:05 pmPDX Portland-OSL Oslo Gardermoen

28h 05m2 stops San Francisco Munich Franz Josef Strauss

7:10 am - 5:49 pmOSL Oslo Gardermoen-PDX Portland

19h 39m2 stops Munich Franz Josef Strauss Denver Intl

$518Lufthansa

Sun, Sep 6 - Wed, Sep 16

8:25 am - 10:55 pmPDX Portland-OSL Oslo Gardermoen

29h 30m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National

6:45 am - 8:10 pmOSL Oslo Gardermoen-PDX Portland

22h 25m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$544Brussels Airlines

Sun, Sep 6 - Wed, Sep 16

1:05 pm - 12:30 pmPDX Portland-OSL Oslo Gardermoen

14h 25m1 stop Amsterdam Schiphol

7:15 pm - 11:10 amOSL Oslo Gardermoen-PDX Portland

24h 55m1 stop Amsterdam Schiphol

$599KLM

Thu, Sep 3 - Wed, Sep 16

11:22 am - 11:45 amPDX Portland-OSL Oslo Gardermoen

15h 23m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

11:50 am - 11:10 amOSL Oslo Gardermoen-PDX Portland

32h 20m1 stop Amsterdam Schiphol

$622Delta

Thu, Sep 3 - Wed, Sep 16

11:22 am - 11:45 amPDX Portland-OSL Oslo Gardermoen

15h 23m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

6:30 am - 8:02 pmOSL Oslo Gardermoen-PDX Portland

22h 32m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$627Delta

Thu, Sep 3 - Wed, Sep 16

1:05 pm - 12:30 pmPDX Portland-OSL Oslo Gardermoen

14h 25m1 stop Amsterdam Schiphol

6:30 am - 11:10 amOSL Oslo Gardermoen-PDX Portland

13h 40m1 stop Amsterdam Schiphol

$635KLM

Wed, Sep 2 - Mon, Sep 28

1:05 pm - 11:05 amPDX Portland-OSL Oslo Gardermoen

13h 00m1 stop Amsterdam Schiphol

6:30 am - 11:10 amOSL Oslo Gardermoen-PDX Portland

13h 40m1 stop Amsterdam Schiphol

$635KLM

Sun, Sep 6 - Wed, Sep 16

12:25 pm - 2:30 pmPDX Portland-TRF Oslo Sandefjord

17h 05m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

6:00 am - 10:27 pmTRF Oslo Sandefjord-PDX Portland

25h 27m2 stops Kastrup Copenhagen Los Angeles Los Angeles

$1,910Scandinavian Airlines

Sun, Sep 6 - Wed, Sep 16

12:25 pm - 2:30 pmPDX Portland-TRF Oslo Sandefjord

17h 05m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

6:00 am - 10:27 pmTRF Oslo Sandefjord-PDX Portland

25h 27m2 stops Kastrup Copenhagen Los Angeles Los Angeles

$1,995Scandinavian Airlines

Sun, Sep 6 - Wed, Sep 16

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Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets

Icelandair

Oct 7

PDX3:30 pmPortland

11h 45m

1 stop

OSL12:15 pmOslo Gardermoen

Oct 21

OSL1:50 pmOslo Gardermoen

13h 05m

1 stop

PDX5:55 pmPortland

$446

Icelandair

Feb 10

PDX2:45 pmPortland

11h 50m

1 stop

OSL11:35 amOslo Gardermoen

Feb 28

OSL1:10 pmOslo Gardermoen

12h 50m

1 stop

PDX5:00 pmPortland

$447

Icelandair

Feb 10

PDX2:45 pmPortland

11h 50m

1 stop

OSL11:35 amOslo Gardermoen

Feb 28

OSL1:10 pmOslo Gardermoen

12h 50m

1 stop

PDX5:00 pmPortland

$449

United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets

United Airlines

Feb 10

PDX2:35 pmPortland

18h 05m

2 stops

OSL5:40 pmOslo Gardermoen

Feb 28

OSL6:15 amOslo Gardermoen

25h 23m

2 stops

PDX10:38 pmPortland

$519

United Airlines

Feb 10

PDX7:01 amPortland

25h 09m

2 stops

OSL5:10 pmOslo Gardermoen

Feb 28

OSL6:15 amOslo Gardermoen

25h 23m

2 stops

PDX10:38 pmPortland

$522

United Airlines

Feb 1

PDX7:00 amPortland

25h 10m

2 stops

OSL5:10 pmOslo Gardermoen

Feb 5

OSL6:15 amOslo Gardermoen

39h 10m

2 stops

PDX12:25 pmPortland

$523

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 10/7

3:30 pm-12:15 pm

1 stop11h 45m

Oslo Gardermoen

Wed 10/21

1:50 pm-5:55 pm

1 stop13h 05m

$446

Quickest round-trip

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 2/10

2:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sun 2/28

1:10 pm-5:00 pm

1 stop12h 50m

$447

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 10/14

3:30 pm-5:55 pm

2 stops17h 25m

Oslo Gardermoen

Sun 10/18

6:25 am-7:11 pm

2 stops21h 46m

$487

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Thu 11/5

7:00 am-5:40 pm

2 stops25h 40m

Oslo Gardermoen

Mon 11/9

9:35 am-9:26 am

3 stops32h 51m

$499

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Thu 10/22

10:15 pm-11:45 am

2 stops28h 30m

Oslo Gardermoen

Thu 11/5

9:30 am-11:20 am

1 stop34h 50m

$621

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Thu 10/22

11:25 am-11:45 am

2 stops15h 20m

Oslo Gardermoen

Thu 11/5

9:30 am-11:20 am

1 stop34h 50m

$624

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Thu 10/22

1:05 pm-12:30 pm

1 stop14h 25m

Oslo Gardermoen

Thu 11/5

9:30 am-11:20 am

1 stop34h 50m

$628

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 12/2

1:40 pm-12:25 pm

1 stop13h 45m

Oslo Gardermoen

Wed 12/9

6:05 am-11:40 am

1 stop14h 35m

$634

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 11/15

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Sat 11/21

6:35 pm-3:50 pm

1 stop30h 15m

$740

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 11/15

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Sat 11/21

6:35 pm-3:50 pm

1 stop30h 15m

$741

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?

Prices are currently low for flights on this route.

Typical prices usually range from $516 to $686.
The lowest price recently found on this route was $446.

What is the cheapest month to fly to Oslo?

The month of April is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $436. If you’re not able to fly to Oslo in April, then November is your next best option. Flight prices from Portland to Oslo during November average around $506.

How far in advance should I book a flight from Portland 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 $662 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 $553 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

Best Price Found	$261
Fastest flight time	11h 50m
Direct flights	None

The best one-way flight to Oslo from Portland in the past 72 hours is $261. The best round-trip flight deal from Portland to Oslo found on momondo in the last 72 hours is $446.

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

Frequently asked questions about flying from Portland to Oslo

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 September 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
Icelandair	PriceFrom $424	Free Cancellation	Rating 6.9 738 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $485	Free Cancellation	Rating 7.4 1,971 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $496	Free Cancellation	Rating 6.7 8,195 reviews	Search British Airways flights
Delta	PriceFrom $516	Free Cancellation	Rating 7.8 8,542 reviews	Search Delta flights
KLM	PriceFrom $544	Free Cancellation	Rating 7.8 1,570 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.

An easier way to manage your Oslo trip

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Fly into one of these airports located in Oslo

Oslo Gardermoen Airport

Oslo Sandefjord Airport

Cheap flights from Portland to Oslo from $261

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 12/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to Oslo

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Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets

United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Oslo that are best for you.

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How to get the cheapest flight ticket from Portland to Oslo

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

What is the cheapest month to fly to Oslo?

How far in advance should I book a flight from Portland to Oslo?

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

What airlines fly to Oslo?

Cheap Portland to Oslo flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Oslo

Best airlines flying from Portland to Oslo

Compare and see reviews for airlines that fly from Portland to Oslo with momondo

Why use momondo?

An easier way to manage your Oslo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Oslo

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in Norway

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Portland

According to popular flight searches on momondo this year

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