What airlines fly to Oslo?

Icelandair, Delta and KLM 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 47% 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, United Airlines, and Delta 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 December 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.

$371 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 $602 to $1,159. The lowest price recently found on this route was $476.

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Find the cheapest flights from Portland to Oslo

Round-trip

One-way

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Cheap round-trip flights

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7:00 am - 8:40 am

PDX

OSL

16h 40m2 stops

9:50 am - 8:25 pm

OSL

PDX

19h 35m2 stops

$476KLM

Mon, Jan 12 - Sun, Jan 25

7:00 am - 8:40 am

PDX

OSL

16h 40m2 stops

6:30 am - 11:25 am

OSL

PDX

13h 55m1 stop

$478KLM

Mon, Jan 12 - Sun, Jan 25

5:45 pm - 10:40 pm

PDX

OSL

19h 55m1 stop

7:20 am - 3:55 pm

OSL

PDX

17h 35m1 stop

$496British Airways

Mon, Jan 12 - Sun, Jan 25

5:45 pm - 10:55 am

PDX

OSL

32h 10m1 stop

7:10 am - 3:55 pm

OSL

PDX

17h 45m1 stop

$502British Airways

Wed, Feb 18 - Fri, Feb 27

5:45 pm - 10:55 am

PDX

OSL

32h 10m1 stop

7:10 am - 3:55 pm

OSL

PDX

17h 45m1 stop

$503British Airways

Wed, Feb 18 - Fri, Feb 27

2:05 pm - 10:40 pm

PDX

OSL

23h 35m2 stops

7:10 am - 3:55 pm

OSL

PDX

17h 45m1 stop

$508British Airways

Wed, Feb 18 - Fri, Feb 27

8:30 am - 5:40 pm

PDX

OSL

24h 10m2 stops

6:00 pm - 6:56 pm

OSL

PDX

33h 56m2 stops

$509Multiple Airlines

Mon, Jan 12 - Sun, Jan 25

6:45 pm - 6:40 pm

PDX

OSL

15h 55m1 stop

7:25 pm - 4:55 pm

OSL

PDX

29h 30m1 stop

$510British Airways

Mon, Mar 9 - Tue, Mar 17

1:24 pm - 3:40 pm

PDX

OSL

17h 16m2 stops

6:15 am - 12:39 am

OSL

PDX

27h 24m2 stops

$513Lufthansa

Thu, Jan 8 - Thu, Jan 15

10:30 am - 2:05 pm

PDX

TRF

42h 35m2 stops

2:35 pm - 10:24 pm

TRF

PDX

40h 49m2 stops

$705Scandinavian Airlines

Wed, Feb 11 - Sun, Feb 15

KLM flights from Portland to Oslo

Our best KLM deals on Portland to Oslo flight tickets

KLM

Jan 12

PDX7:00 amPortland

16h 40m

2 stops

OSL8:40 amOslo Gardermoen

Jan 25

OSL9:50 amOslo Gardermoen

19h 35m

2 stops

PDX8:25 pmPortland

$476

Find similar

KLM

Jan 12

PDX7:00 amPortland

16h 40m

2 stops

OSL8:40 amOslo Gardermoen

Jan 25

OSL6:30 amOslo Gardermoen

13h 55m

1 stop

PDX11:25 amPortland

$478

Find similar

KLM

Jan 16

PDX1:25 pmPortland

34h 15m

1 stop

OSL8:40 amOslo Gardermoen

Jan 29

OSL5:00 pmOslo Gardermoen

27h 25m

1 stop

PDX11:25 amPortland

$515

Find similar

British Airways flights from Portland to Oslo

Our best British Airways deals on Portland to Oslo flight tickets

British Airways

Jan 12

PDX5:45 pmPortland

19h 55m

1 stop

OSL10:40 pmOslo Gardermoen

Jan 25

OSL7:20 amOslo Gardermoen

17h 35m

1 stop

PDX3:55 pmPortland

$496

Find similar

British Airways

Feb 18

PDX5:45 pmPortland

32h 10m

1 stop

OSL10:55 amOslo Gardermoen

Feb 27

OSL7:10 amOslo Gardermoen

17h 45m

1 stop

PDX3:55 pmPortland

$502

Find similar

British Airways

Feb 18

PDX5:45 pmPortland

32h 10m

1 stop

OSL10:55 amOslo Gardermoen

Feb 27

OSL7:10 amOslo Gardermoen

17h 45m

1 stop

PDX3:55 pmPortland

$503

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 1/12

7:00 am-8:40 am

2 stops16h 40m

Oslo Gardermoen

Sun 1/25

9:50 am-8:25 pm

2 stops19h 35m

$476

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 1/12

7:00 am-8:40 am

2 stops16h 40m

Oslo Gardermoen

Sun 1/25

6:30 am-11:25 am

1 stop13h 55m

$478

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 1/12

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Sun 1/25

7:20 am-3:55 pm

1 stop17h 35m

$496

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

5:45 pm-10:55 am

1 stop32h 10m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$502

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

5:45 pm-10:55 am

1 stop32h 10m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$503

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

2:05 pm-10:40 pm

2 stops23h 35m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$508

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 1/12

8:30 am-5:40 pm

2 stops24h 10m

Oslo Gardermoen

Sun 1/25

6:00 pm-6:56 pm

2 stops33h 56m

$509

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/9

6:45 pm-6:40 pm

1 stop15h 55m

Oslo Gardermoen

Tue 3/17

7:25 pm-4:55 pm

1 stop29h 30m

$510

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 1/8

1:24 pm-3:40 pm

2 stops17h 16m

Oslo Gardermoen

Thu 1/15

6:15 am-12:39 am

2 stops27h 24m

$513

PortlandOslo

PDX - TRF

PDXTRF

Portland

Wed 2/11

10:30 am-2:05 pm

2 stops42h 35m

Oslo Sandefjord

Sun 2/15

2:35 pm-10:24 pm

2 stops40h 49m

$705

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 November is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $549. If you’re not able to fly to Oslo in November, then October is your next best option. Flight prices from Portland to Oslo during October average around $578.

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 $809 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 $614 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	12h 05m
Direct flights	None

The fastest flight from Portland to Oslo takes 12h 05m

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

Search flight deals

How far is Portland to Oslo by plane?
Oslo is 4689.3 mi away from Portland. Typically, this will take 12h 05m 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 December 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 1,605 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $436	Free Cancellation	Rating 7.0 589 reviews	Search Icelandair flights
British Airways	PriceFrom $579	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
Delta	PriceFrom $590	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
KLM	PriceFrom $611	Free Cancellation	Rating 7.7 1,432 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.