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

Delta, KLM, and Air France are the most popular carriers operating from Portland to Oslo

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 38% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 4 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 May 2026, there are 4 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.

$184 Cheap Flights from Portland to Oslo in 2026

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 $721 to $567. The lowest price recently found on this route was $471.

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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 - 12:35 pm

PDX

OSL

12h 05m

1 stop

1:10 pm - 5:00 pm

OSL

PDX

12h 50m

1 stop

$471Icelandair

Mon, Oct 19 - Mon, Nov 2

3:45 pm - 11:35 am

PDX

OSL

11h 50m

1 stop

1:10 pm - 5:00 pm

OSL

PDX

12h 50m

1 stop

$477Icelandair

Sat, Oct 31 - Wed, Nov 18

3:45 pm - 11:35 am

PDX

OSL

11h 50m

1 stop

9:30 pm - 5:00 pm

OSL

PDX

28h 30m

1 stop

$479Icelandair

Sat, Oct 31 - Thu, Nov 19

3:45 pm - 11:35 am

PDX

OSL

11h 50m

1 stop

1:10 pm - 5:00 pm

OSL

PDX

12h 50m

1 stop

$480Icelandair

Tue, Oct 27 - Wed, Nov 18

10:05 am - 5:40 pm

PDX

OSL

23h 35m

2 stops

6:10 am - 6:30 pm

OSL

PDX

21h 20m

2 stops

$493Air Canada

Tue, Oct 27 - Sun, Nov 15

3:30 pm - 10:05 pm

PDX

OSL

21h 35m

2 stops

6:15 am - 9:26 am

OSL

PDX

36h 11m

2 stops

$500Multiple Airlines

Mon, Oct 19 - Mon, Nov 2

10:05 am - 5:40 pm

PDX

OSL

23h 35m

2 stops

6:15 am - 9:25 am

OSL

PDX

36h 10m

2 stops

$501Air Canada

Tue, Oct 27 - Wed, Nov 18

2:14 pm - 11:40 pm

PDX

OSL

25h 26m

2 stops

6:10 am - 10:18 pm

OSL

PDX

25h 08m

2 stops

$507United Airlines

Sat, Oct 31 - Mon, Nov 16

1:05 pm - 8:25 pm

PDX

TRF

22h 20m

2 stops

6:00 am - 11:10 am

TRF

PDX

38h 10m

2 stops

$962KLM

Thu, Aug 6 - Sat, Aug 15

3:30 pm - 11:45 pm

PDX

TRF

23h 15m

2 stops

12:10 pm - 11:45 am

TRF

PDX

32h 35m

2 stops

$998Multiple Airlines

Tue, Jun 9 - Wed, Jun 17

Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets

Icelandair

Oct 19

PDX3:30 pmPortland

12h 05m

1 stop

OSL12:35 pmOslo Gardermoen

Nov 2

OSL1:10 pmOslo Gardermoen

12h 50m

1 stop

PDX5:00 pmPortland

$471

Icelandair

Oct 31

PDX3:45 pmPortland

11h 50m

1 stop

OSL11:35 amOslo Gardermoen

Nov 18

OSL1:10 pmOslo Gardermoen

12h 50m

1 stop

PDX5:00 pmPortland

$477

Icelandair

Oct 31

PDX3:45 pmPortland

11h 50m

1 stop

OSL11:35 amOslo Gardermoen

Nov 19

OSL9:30 pmOslo Gardermoen

28h 30m

1 stop

PDX5:00 pmPortland

$479

Delta flights from Portland to Oslo

Our best Delta deals on Portland to Oslo flight tickets

Delta

Oct 19

PDX5:45 pmPortland

17h 55m

2 stops

OSL8:40 pmOslo Gardermoen

Nov 2

OSL6:30 amOslo Gardermoen

13h 55m

1 stop

PDX11:25 amPortland

$545

Delta

Sep 26

PDX7:00 amPortland

19h 45m

2 stops

OSL11:45 amOslo Gardermoen

Oct 16

OSL6:30 amOslo Gardermoen

13h 40m

1 stop

PDX11:10 amPortland

$569

Delta

Sep 2

PDX3:50 pmPortland

19h 50m

2 stops

OSL8:40 pmOslo Gardermoen

Sep 28

OSL6:30 amOslo Gardermoen

13h 40m

1 stop

PDX11:10 amPortland

$570

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 10/19

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Mon 11/2

1:10 pm-5:00 pm

1 stop12h 50m

$471

Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 10/31

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Wed 11/18

1:10 pm-5:00 pm

1 stop12h 50m

$477

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 10/31

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Thu 11/19

9:30 pm-5:00 pm

1 stop28h 30m

$479

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 10/27

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Wed 11/18

1:10 pm-5:00 pm

1 stop12h 50m

$480

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 10/27

10:05 am-5:40 pm

2 stops23h 35m

Oslo Gardermoen

Sun 11/15

6:10 am-6:30 pm

2 stops21h 20m

$493

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 10/19

3:30 pm-10:05 pm

2 stops21h 35m

Oslo Gardermoen

Mon 11/2

6:15 am-9:26 am

2 stops36h 11m

$500

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 10/27

10:05 am-5:40 pm

2 stops23h 35m

Oslo Gardermoen

Wed 11/18

6:15 am-9:25 am

2 stops36h 10m

$501

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 10/31

2:14 pm-11:40 pm

2 stops25h 26m

Oslo Gardermoen

Mon 11/16

6:10 am-10:18 pm

2 stops25h 08m

$507

PortlandOslo

PDX - TRF

PDXTRF

Portland

Thu 8/6

1:05 pm-8:25 pm

2 stops22h 20m

Oslo Sandefjord

Sat 8/15

6:00 am-11:10 am

2 stops38h 10m

$962

PortlandOslo

PDX - TRF

PDXTRF

Portland

Tue 6/9

3:30 pm-11:45 pm

2 stops23h 15m

Oslo Sandefjord

Wed 6/17

12:10 pm-11:45 am

2 stops32h 35m

$998

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 March is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $382. If you’re not able to fly to Oslo in March, then April is your next best option. Flight prices from Portland to Oslo during April average around $397.

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 $673 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 $483 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	11h 20m
Direct flights	None

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 May 2026, there are 4 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 7.0 656 reviews	Search Icelandair flights
British Airways	PriceFrom $496	Free Cancellation	Rating 6.7 7,986 reviews	Search British Airways flights
Delta	PriceFrom $515	Free Cancellation	Rating 7.9 8,449 reviews	Search Delta flights
KLM	PriceFrom $523	Free Cancellation	Rating 7.8 1,517 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 $216

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 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

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Filter for what you want

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Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets

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Our best Delta 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

Find info about flight duration, direct flights, and airports for your flight from Portland to Oslo

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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