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

British Airways, American Airlines, and KLM 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 41% 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.

$281 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.

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

11h 50m1 stop Reykjavik Keflavik Intl

9:30 pm - 5:00 pmOSL Oslo Gardermoen-PDX Portland

28h 30m1 stop Reykjavik Keflavik Intl

$407Icelandair

Tue, Nov 10 - Sun, Nov 15

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

$453Icelandair

Tue, Nov 10 - Sun, Nov 15

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

17h 25m2 stops Vancouver Intl Munich Franz Josef Strauss

6:45 am - 7:11 pmOSL Oslo Gardermoen-PDX Portland

21h 26m2 stops Frankfurt am Main Vancouver Intl

$491Multiple Airlines

Wed, Oct 14 - Mon, Oct 19

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

17h 25m2 stops Vancouver Intl Munich Franz Josef Strauss

6:45 am - 7:11 pmOSL Oslo Gardermoen-PDX Portland

21h 26m2 stops Frankfurt am Main Vancouver Intl

$492Multiple Airlines

Wed, Oct 14 - Mon, Oct 19

10:56 pm - 11:00 amPDX Portland-OSL Oslo Gardermoen

27h 04m2 stops Newark Munich Franz Josef Strauss

6:45 am - 6:39 pmOSL Oslo Gardermoen-PDX Portland

20h 54m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$513United Airlines

Sun, Jan 24 - Sat, Jan 30

7:02 am - 5:15 pmPDX Portland-OSL Oslo Gardermoen

25h 13m2 stops Chicago O'Hare Intl Brussels Bruxelles-National

7:15 am - 9:36 amOSL Oslo Gardermoen-PDX Portland

34h 21m2 stops Munich Franz Josef Strauss Denver Intl

$520United Airlines

Mon, Oct 19 - Sun, Oct 25

1:05 pm - 4:20 pmPDX Portland-OSL Oslo Gardermoen

18h 15m1 stop Amsterdam Schiphol

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

34h 50m1 stop Amsterdam Schiphol

$606KLM

Mon, Oct 5 - Sun, Oct 18

1:05 pm - 8:45 amPDX Portland-OSL Oslo Gardermoen

34h 40m1 stop Amsterdam Schiphol

2:10 pm - 11:10 amOSL Oslo Gardermoen-PDX Portland

30h 00m1 stop Amsterdam Schiphol

$607KLM

Mon, Oct 5 - Mon, Oct 19

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

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

2:10 pm - 11:10 amOSL Oslo Gardermoen-PDX Portland

30h 00m1 stop Amsterdam Schiphol

$625Delta

Tue, Oct 6 - Sun, Oct 18

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

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

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

13h 40m1 stop Amsterdam Schiphol

$625Delta

Tue, Oct 6 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

10:35 am - 5:15 pmPDX Portland-OSL Oslo Gardermoen

21h 40m2 stops Chicago O'Hare Intl Brussels Bruxelles-National

6:55 am - 7:11 pmOSL Oslo Gardermoen-PDX Portland

21h 16m2 stops Frankfurt am Main Vancouver Intl

$518United Airlines

Thu, Sep 10 - Tue, Sep 15

8:17 am - 5:55 pmPDX Portland-OSL Oslo Gardermoen

24h 38m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

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

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

$519United Airlines

Wed, Sep 9 - Mon, Sep 14

11:09 pm - 5:15 pmPDX Portland-OSL Oslo Gardermoen

33h 06m2 stops Newark Brussels Bruxelles-National

11:50 am - 9:40 amOSL Oslo Gardermoen-PDX Portland

54h 50m2 stops Munich Franz Josef Strauss Denver Intl

$536United Airlines

Sat, Sep 12 - Mon, Nov 30

7:10 am - 11:45 amPDX Portland-OSL Oslo Gardermoen

19h 35m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

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

13h 40m1 stop Amsterdam Schiphol

$628Delta

Thu, Sep 10 - Tue, Sep 15

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

$753KLM

Thu, Sep 10 - Tue, Sep 15

7:10 am - 8:45 amPDX Portland-OSL Oslo Gardermoen

16h 35m2 stops New York John F Kennedy Intl Amsterdam Schiphol

6:05 am - 11:20 amOSL Oslo Gardermoen-PDX Portland

14h 15m1 stop Amsterdam Schiphol

$762KLM

Sat, Sep 12 - Mon, Nov 30

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

14h 25m1 stop Amsterdam Schiphol

8:00 am - 5:31 pmOSL Oslo Gardermoen-PDX Portland

18h 31m2 stops Amsterdam Schiphol Minneapolis St Paul

$762KLM

Wed, Sep 9 - Mon, Sep 14

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

27h 45m3 stops Vancouver Intl London Heathrow Brussels Bruxelles-National

8:20 pm - 7:11 pmOSL Oslo Gardermoen-PDX Portland

31h 51m3 stops London Heathrow Zurich Vancouver Intl

$1,538Multiple Airlines

Wed, Sep 9 - Mon, Sep 14

12:34 pm - 2:30 pmPDX Portland-TRF Oslo Sandefjord

16h 56m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

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

25h 00m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$1,695Scandinavian Airlines

Sat, Sep 12 - Mon, Nov 30

10:10 am - 2:30 pmPDX Portland-TRF Oslo Sandefjord

19h 20m3 stops Vancouver Intl Frankfurt am Main Kastrup Copenhagen

3:05 pm - 5:55 pmTRF Oslo Sandefjord-PDX Portland

35h 50m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

$2,058Multiple Airlines

Thu, Sep 10 - Tue, Sep 15

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United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets

United Airlines

Jan 24

PDX10:56 pmPortland

27h 04m

2 stops

OSL11:00 amOslo Gardermoen

Jan 30

OSL6:45 amOslo Gardermoen

20h 54m

2 stops

PDX6:39 pmPortland

$513

United Airlines

Sep 10

PDX10:35 amPortland

21h 40m

2 stops

OSL5:15 pmOslo Gardermoen

Sep 15

OSL6:55 amOslo Gardermoen

21h 16m

2 stops

PDX7:11 pmPortland

$518

United Airlines

Sep 9

PDX8:17 amPortland

24h 38m

2 stops

OSL5:55 pmOslo Gardermoen

Sep 14

OSL6:45 amOslo Gardermoen

22h 25m

2 stops

PDX8:10 pmPortland

$519

Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets

Icelandair

Nov 10

PDX2:45 pmPortland

11h 50m

1 stop

OSL11:35 amOslo Gardermoen

Nov 15

OSL9:30 pmOslo Gardermoen

28h 30m

1 stop

PDX5:00 pmPortland

$407

Icelandair

Oct 31

PDX3:45 pmPortland

20h 50m

1 stop

OSL8:35 pmOslo Gardermoen

Nov 4

OSL1:10 pmOslo Gardermoen

12h 50m

1 stop

PDX5:00 pmPortland

$453

Icelandair

Oct 14

PDX3:30 pmPortland

11h 45m

1 stop

OSL12:15 pmOslo Gardermoen

Oct 19

OSL4:30 pmOslo Gardermoen

34h 25m

1 stop

PDX5:55 pmPortland

$456

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 11/10

2:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sun 11/15

9:30 pm-5:00 pm

1 stop28h 30m

$407

Quickest round-trip

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 11/10

2:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sun 11/15

1:10 pm-5:00 pm

1 stop12h 50m

$453

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 10/14

3:30 pm-5:55 pm

2 stops17h 25m

Oslo Gardermoen

Mon 10/19

6:45 am-7:11 pm

2 stops21h 26m

$491

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 10/14

3:30 pm-5:55 pm

2 stops17h 25m

Oslo Gardermoen

Mon 10/19

6:45 am-7:11 pm

2 stops21h 26m

$492

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 1/24

10:56 pm-11:00 am

2 stops27h 04m

Oslo Gardermoen

Sat 1/30

6:45 am-6:39 pm

2 stops20h 54m

$513

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 10/19

7:02 am-5:15 pm

2 stops25h 13m

Oslo Gardermoen

Sun 10/25

7:15 am-9:36 am

2 stops34h 21m

$520

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 10/5

1:05 pm-4:20 pm

1 stop18h 15m

Oslo Gardermoen

Sun 10/18

9:20 am-11:10 am

1 stop34h 50m

$606

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 10/5

1:05 pm-8:45 am

1 stop34h 40m

Oslo Gardermoen

Mon 10/19

2:10 pm-11:10 am

1 stop30h 00m

$607

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 10/6

11:25 am-11:45 am

2 stops15h 20m

Oslo Gardermoen

Sun 10/18

2:10 pm-11:10 am

1 stop30h 00m

$625

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 10/6

11:25 am-11:45 am

2 stops15h 20m

Oslo Gardermoen

Tue 10/20

6:30 am-11:10 am

1 stop13h 40m

$625

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 $407.

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 $659 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	$281
Fastest flight time	11h 20m
Direct flights	None

The best one-way flight to Oslo from Portland in the past 72 hours is $281. The best round-trip flight deal from Portland to Oslo found on momondo in the last 72 hours is $407.

The fastest flight from Portland to Oslo takes 11h 20m

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 20m 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 6.9 741 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $485	Free Cancellation	Rating 7.4 1,981 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $496	Free Cancellation	Rating 6.7 8,209 reviews	Search British Airways flights
United Airlines	PriceFrom $506	Free Cancellation	Rating 7.4 10,175 reviews	Search United Airlines flights
Delta	PriceFrom $516	Free Cancellation	Rating 7.8 8,548 reviews	Search Delta flights
KLM	PriceFrom $544	Free Cancellation	Rating 7.8 1,571 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 $281

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 12/1. 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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United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets

Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets

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See travel insights to Oslo from

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

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According to popular flight searches on momondo this year

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