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

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 40% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 6 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

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 6 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.

$302 Cheap Flights from Portland to Oslo in 2026/27

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.

2:45 pm - 8:35 pmPDX Portland-OSL Oslo Gardermoen

20h 50m1 stop Reykjavik Keflavik Intl

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

12h 50m1 stop Reykjavik Keflavik Intl

$396Icelandair

Wed, Feb 10 - Sun, Feb 28

3:30 pm - 12:35 pmPDX Portland-OSL Oslo Gardermoen

12h 05m1 stop Reykjavik Keflavik Intl

1:10 pm - 6:00 pmOSL Oslo Gardermoen-PDX Portland

12h 50m1 stop Reykjavik Keflavik Intl

$396Icelandair

Thu, Oct 22 - Wed, Oct 28

7:45 pm - 5:55 pmPDX Portland-OSL Oslo Gardermoen

37h 10m2 stops Vancouver Intl Munich Franz Josef Strauss

2:05 pm - 7:11 pmOSL Oslo Gardermoen-PDX Portland

38h 06m2 stops Zurich Vancouver Intl

$462Multiple Airlines

Tue, Oct 13 - Tue, Oct 20

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

25h 40m2 stops Vancouver Intl Munich Franz Josef Strauss

6:15 am - 2:41 pmOSL Oslo Gardermoen-PDX Portland

17h 26m2 stops Frankfurt am Main Vancouver Intl

$473Multiple Airlines

Thu, Jan 14 - Mon, Jan 25

8:30 am - 11:00 amPDX Portland-OSL Oslo Gardermoen

18h 30m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

11:50 am - 10:27 pmOSL Oslo Gardermoen-PDX Portland

19h 37m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$506United Airlines

Wed, Oct 28 - Wed, Nov 4

9:00 am - 5:40 pmPDX Portland-OSL Oslo Gardermoen

23h 40m3 stops San Francisco Chicago O'Hare Intl Munich Franz Josef Strauss

11:50 am - 10:27 pmOSL Oslo Gardermoen-PDX Portland

19h 37m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$506United Airlines

Tue, Nov 17 - Mon, Nov 23

6:45 pm - 10:35 pmPDX Portland-OSL Oslo Gardermoen

19h 50m1 stop London Heathrow

6:50 am - 3:50 pmOSL Oslo Gardermoen-PDX Portland

18h 00m1 stop London Heathrow

$591British Airways

Wed, Oct 28 - Wed, Nov 4

5:45 pm - 11:00 amPDX Portland-OSL Oslo Gardermoen

32h 15m1 stop London Heathrow

4:55 pm - 3:50 pmOSL Oslo Gardermoen-PDX Portland

31h 55m1 stop London Heathrow

$591British Airways

Sun, Nov 15 - Tue, Dec 8

1:05 pm - 10:35 pmPDX Portland-OSL Oslo Gardermoen

24h 30m1 stop Amsterdam Schiphol

9:20 am - 11:10 amOSL Oslo Gardermoen-PDX Portland

34h 50m1 stop Amsterdam Schiphol

$600KLM

Tue, Oct 13 - Tue, Oct 20

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, Nov 18 - Wed, Nov 25

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Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets

Icelandair

Oct 21

PDX3:30 pmPortland

11h 45m

1 stop

OSL12:15 pmOslo Gardermoen

Oct 28

OSL1:10 pmOslo Gardermoen

12h 50m

1 stop

PDX6:00 pmPortland

$396

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

$421

Icelandair

Oct 19

PDX3:30 pmPortland

12h 05m

1 stop

OSL12:35 pmOslo Gardermoen

Oct 25

OSL3:30 pmOslo Gardermoen

34h 30m

1 stop

PDX6:00 pmPortland

$422

Air Canada flights from Portland to Oslo

Our best Air Canada deals on Portland to Oslo flight tickets

Air Canada

Nov 15

PDX7:00 amPortland

25h 40m

2 stops

OSL5:40 pmOslo Gardermoen

Dec 8

OSL6:15 amOslo Gardermoen

23h 31m

2 stops

PDX8:46 pmPortland

$500

Air Canada

Nov 15

PDX10:00 amPortland

22h 40m

2 stops

OSL5:40 pmOslo Gardermoen

Nov 21

OSL11:50 amOslo Gardermoen

54h 36m

2 stops

PDX9:26 amPortland

$502

Air Canada

Feb 1

PDX7:10 pmPortland

32h 55m

2 stops

OSL1:05 pmOslo Gardermoen

Feb 5

OSL6:15 amOslo Gardermoen

36h 11m

2 stops

PDX9:26 amPortland

$528

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 2/10

2:45 pm-8:35 pm

1 stop20h 50m

Oslo Gardermoen

Sun 2/28

1:10 pm-5:00 pm

1 stop12h 50m

$396

Quickest round-trip

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Thu 10/22

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Wed 10/28

1:10 pm-6:00 pm

1 stop12h 50m

$396

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 10/13

7:45 pm-5:55 pm

2 stops37h 10m

Oslo Gardermoen

Tue 10/20

2:05 pm-7:11 pm

2 stops38h 06m

$462

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Thu 1/14

7:00 am-5:40 pm

2 stops25h 40m

Oslo Gardermoen

Mon 1/25

6:15 am-2:41 pm

2 stops17h 26m

$473

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 10/28

8:30 am-11:00 am

2 stops18h 30m

Oslo Gardermoen

Wed 11/4

11:50 am-10:27 pm

2 stops19h 37m

$506

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 11/17

9:00 am-5:40 pm

3 stops23h 40m

Oslo Gardermoen

Mon 11/23

11:50 am-10:27 pm

2 stops19h 37m

$506

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 10/28

6:45 pm-10:35 pm

1 stop19h 50m

Oslo Gardermoen

Wed 11/4

6:50 am-3:50 pm

1 stop18h 00m

$591

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 11/15

5:45 pm-11:00 am

1 stop32h 15m

Oslo Gardermoen

Tue 12/8

4:55 pm-3:50 pm

1 stop31h 55m

$591

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 10/13

1:05 pm-10:35 pm

1 stop24h 30m

Oslo Gardermoen

Tue 10/20

9:20 am-11:10 am

1 stop34h 50m

$600

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 11/18

1:40 pm-12:25 pm

1 stop13h 45m

Oslo Gardermoen

Wed 11/25

6:05 am-11:40 am

1 stop14h 35m

$634

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 $525 to $686.
The lowest price recently found on this route was $396.

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 $651 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 $560 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	$302
Fastest flight time	11h 50m
Direct flights	None

The best one-way flight to Oslo from Portland in the past 72 hours is $302. The best round-trip flight deal from Portland to Oslo found on momondo in the last 72 hours is $396.

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 6 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 $422	Free Cancellation	Rating 6.9 743 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $485	Free Cancellation	Rating 7.4 1,984 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $496	Free Cancellation	Rating 6.7 8,226 reviews	Search British Airways flights
United Airlines	PriceFrom $506	Free Cancellation	Rating 7.4 10,213 reviews	Search United Airlines flights
Delta	PriceFrom $516	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights
KLM	PriceFrom $544	Free Cancellation	Rating 7.8 1,580 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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Fly into one of these airports located in Oslo

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Cheap flights from Portland to Oslo from $302

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 3/1. 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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Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets

Air Canada flights from Portland to Oslo

Our best Air Canada deals on Portland to Oslo flight tickets

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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

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