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 46% 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, Delta, and KLM 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 January 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.

$203 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 $535 to $674. The lowest price recently found on this route was $404.

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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 05m1 stop

4:30 pm - 6:00 pm

OSL

PDX

34h 30m1 stop

$404Icelandair

Tue, Apr 7 - Thu, Apr 30

3:30 pm - 12:35 pm

PDX

OSL

12h 05m1 stop

4:30 pm - 11:45 am

OSL

PDX

28h 15m1 stop

$449Icelandair

Thu, May 14 - Mon, May 25

5:45 pm - 10:40 pm

PDX

OSL

19h 55m1 stop

6:55 am - 3:55 pm

OSL

PDX

18h 00m1 stop

$450British Airways

Mon, Feb 16 - Wed, Mar 4

3:30 pm - 3:25 pm

PDX

OSL

14h 55m1 stop

4:30 pm - 6:00 pm

OSL

PDX

34h 30m1 stop

$454Icelandair

Mon, Apr 6 - Sun, Apr 12

5:40 am - 10:40 pm

PDX

OSL

32h 00m2 stops

7:10 am - 3:55 pm

OSL

PDX

17h 45m1 stop

$461British Airways

Wed, Feb 18 - Fri, Feb 27

6:45 pm - 10:55 am

PDX

OSL

32h 10m1 stop

7:25 pm - 4:55 pm

OSL

PDX

29h 30m1 stop

$462British Airways

Wed, Mar 11 - Tue, Mar 17

5:45 pm - 10:55 am

PDX

OSL

32h 10m1 stop

7:10 am - 3:55 pm

OSL

PDX

17h 45m1 stop

$463British Airways

Wed, Feb 18 - Fri, Feb 27

5:45 pm - 11:40 am

PDX

OSL

32h 55m2 stops

8:50 pm - 11:16 pm

OSL

PDX

35h 26m2 stops

$468Multiple Airlines

Mon, Feb 16 - Wed, Mar 4

7:00 am - 1:55 pm

PDX

TRF

22h 55m2 stops

6:00 am - 11:28 pm

TRF

PDX

26h 28m2 stops

$1,213Scandinavian Airlines

Fri, Mar 27 - Tue, Apr 7

9:50 am - 4:45 pm

PDX

TRF

22h 55m3 stops

6:00 am - 5:40 pm

TRF

PDX

20h 40m2 stops

$1,552Multiple Airlines

Fri, Mar 27 - Tue, Apr 7

British Airways flights from Portland to Oslo

Our best British Airways deals on Portland to Oslo flight tickets

British Airways

Feb 16

PDX5:45 pmPortland

19h 55m

1 stop

OSL10:40 pmOslo Gardermoen

Mar 4

OSL6:55 amOslo Gardermoen

18h 00m

1 stop

PDX3:55 pmPortland

$450

British Airways

Feb 18

PDX1:52 pmPortland

36h 03m

2 stops

OSL10:55 amOslo Gardermoen

Feb 27

OSL7:10 amOslo Gardermoen

17h 45m

1 stop

PDX3:55 pmPortland

$461

British Airways

Mar 11

PDX6:45 pmPortland

32h 10m

1 stop

OSL10:55 amOslo Gardermoen

Mar 17

OSL7:25 pmOslo Gardermoen

29h 30m

1 stop

PDX4:55 pmPortland

$462

United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets

United Airlines

Jan 14

PDX1:24 pmPortland

19h 16m

3 stops

OSL5:40 pmOslo Gardermoen

Jan 21

OSL6:05 amOslo Gardermoen

25h 48m

2 stops

PDX10:53 pmPortland

$518

United Airlines

Feb 18

PDX3:50 pmPortland

22h 50m

2 stops

OSL11:40 pmOslo Gardermoen

Feb 27

OSL6:15 amOslo Gardermoen

39h 23m

3 stops

PDX12:38 pmPortland

$528

United Airlines

Jan 14

PDX1:24 pmPortland

19h 16m

3 stops

OSL5:40 pmOslo Gardermoen

Jan 21

OSL6:05 amOslo Gardermoen

21h 51m

3 stops

PDX6:56 pmPortland

$532

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 4/7

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Thu 4/30

4:30 pm-6:00 pm

1 stop34h 30m

$404

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 5/14

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Mon 5/25

4:30 pm-11:45 am

1 stop28h 15m

$449

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 2/16

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Wed 3/4

6:55 am-3:55 pm

1 stop18h 00m

$450

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/6

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Sun 4/12

4:30 pm-6:00 pm

1 stop34h 30m

$454

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

5:40 am-10:40 pm

2 stops32h 00m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$461

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 3/11

6:45 pm-10:55 am

1 stop32h 10m

Oslo Gardermoen

Tue 3/17

7:25 pm-4:55 pm

1 stop29h 30m

$462

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

$463

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 2/16

5:45 pm-11:40 am

2 stops32h 55m

Oslo Gardermoen

Wed 3/4

8:50 pm-11:16 pm

2 stops35h 26m

$468

PortlandOslo

PDX - TRF

PDXTRF

Portland

Fri 3/27

7:00 am-1:55 pm

2 stops22h 55m

Oslo Sandefjord

Tue 4/7

6:00 am-11:28 pm

2 stops26h 28m

$1,213

PortlandOslo

PDX - TRF

PDXTRF

Portland

Fri 3/27

9:50 am-4:45 pm

3 stops22h 55m

Oslo Sandefjord

Tue 4/7

6:00 am-5:40 pm

2 stops20h 40m

$1,552

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 $579.

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 $776 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 $602 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

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 January 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
Scandinavian Airlines	PriceFrom $317	Free Cancellation	Rating 7.3 1,637 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $436	Free Cancellation	Rating 7.1 593 reviews	Search Icelandair flights
British Airways	PriceFrom $575	Free Cancellation	Rating 6.7 7,659 reviews	Search British Airways flights
Delta	PriceFrom $583	Free Cancellation	Rating 7.9 8,032 reviews	Search Delta flights
KLM	PriceFrom $600	Free Cancellation	Rating 7.7 1,434 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.