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

American Airlines is the most popular carrier operating from Oslo to Portland

When did momondo last update prices for flights from Oslo to Portland Airport?

Prices for flights from Oslo to Portland Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Oslo to Portland Airport?

As of November 2025, there is 1 operator available to choose from for flights from Oslo to Portland Airport.

How old do you have to be to fly from Oslo to Portland Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oslo to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$337 Cheap Flights from Oslo to Portland in 2025/26

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Find the cheapest flights from Oslo to Portland

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:05 pm - 3:55 pmOSL-PDX

33h 50m1 stop

5:45 pm - 10:40 pmPDX-OSL

19h 55m1 stop

$555British Airways

Find Deal

Thu, Feb 26 - Mon, Mar 2

3:05 pm - 3:55 pmOSL-PDX

33h 50m1 stop

5:45 pm - 6:40 pmPDX-OSL

15h 55m1 stop

$556British Airways

Find Deal

Thu, Feb 26 - Mon, Mar 2

6:15 am - 10:40 pmOSL-PDX

25h 25m2 stops

9:50 am - 12:55 pmPDX-OSL

18h 05m2 stops

$561Lufthansa

Find Deal

Thu, Feb 26 - Mon, Mar 2

7:05 am - 11:59 pmOSL-PDX

25h 54m2 stops

5:45 pm - 6:40 pmPDX-OSL

15h 55m1 stop

$563American Airlines

Find Deal

Thu, Feb 26 - Mon, Mar 2

6:00 am - 10:22 pmTRF-PDX

25h 22m2 stops

10:00 am - 2:30 pmPDX-TRF

43h 30m2 stops

$641Scandinavian Airlines

Find Deal

Fri, Apr 24 - Tue, Apr 28

9:40 am - 11:25 amTRF-PDX

34h 45m2 stops

1:25 pm - 6:45 pmPDX-TRF

20h 20m2 stops

$839KLM

Find Deal

Thu, Dec 4 - Mon, Dec 8

1:45 pm - 7:43 pmOSL-PDX

62h 58m2 stops

7:51 pm - 11:30 pmPDX-OSL

42h 39m2 stops

$1,104United Airlines

Find Deal

Fri, Dec 19 - Sat, Jan 10

11:50 am - 12:41 amOSL-PDX

21h 51m2 stops

2:35 pm - 5:40 pmPDX-OSL

42h 05m2 stops

$1,142United Airlines

Find Deal

Wed, Dec 17 - Sat, Jan 3

1:10 pm - 5:00 pmOSL-PDX

12h 50m1 stop

12:54 pm - 8:45 amPDX-OSL

34h 51m2 stops

$1,247Multiple Airlines

Find Deal

Wed, Dec 17 - Sat, Jan 3

6:30 am - 11:25 amOSL-PDX

13h 55m1 stop

7:00 am - 8:40 amPDX-OSL

16h 40m2 stops

$1,306KLM

Find Deal

Fri, Dec 19 - Sat, Jan 10

British Airways flights from Oslo to Portland

Our best British Airways deals on Oslo to Portland flight tickets

British Airways

Feb 26

OSL3:05 pmOslo Gardermoen

33h 50m

1 stop

PDX3:55 pmPortland

Mar 2

PDX5:45 pmPortland

19h 55m

1 stop

OSL10:40 pmOslo Gardermoen

$555

Find similar

British Airways

Feb 26

OSL3:05 pmOslo Gardermoen

33h 50m

1 stop

PDX3:55 pmPortland

Mar 2

PDX5:45 pmPortland

15h 55m

1 stop

OSL6:40 pmOslo Gardermoen

$556

Find similar

British Airways

Dec 19

OSL11:45 amOslo Gardermoen

22h 09m

2 stops

PDX12:54 amPortland

Jan 10

PDX2:38 pmPortland

23h 22m

2 stops

OSL11:00 pmOslo Gardermoen

$3,564

Find similar

Air Canada flights from Oslo to Portland

Our best Air Canada deals on Oslo to Portland flight tickets

Air Canada

Dec 17

OSL1:50 pmOslo Gardermoen

28h 25m

3 stops

PDX9:15 amPortland

Jan 3

PDX9:50 amPortland

20h 30m

3 stops

OSL3:20 pmOslo Gardermoen

$1,894

Find similar

Air Canada

Dec 19

OSL6:15 amOslo Gardermoen

25h 25m

3 stops

PDX10:40 pmPortland

Jan 3

PDX9:50 amPortland

20h 30m

3 stops

OSL3:20 pmOslo Gardermoen

$2,107

Find similar

Air Canada

Dec 18

OSL6:15 amOslo Gardermoen

21h 15m

2 stops

PDX6:30 pmPortland

Jan 3

PDX9:50 amPortland

20h 30m

3 stops

OSL3:20 pmOslo Gardermoen

$2,217

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/26

3:05 pm-3:55 pm

1 stop33h 50m

Portland

Mon 3/2

5:45 pm-10:40 pm

1 stop19h 55m

$555

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/26

3:05 pm-3:55 pm

1 stop33h 50m

Portland

Mon 3/2

5:45 pm-6:40 pm

1 stop15h 55m

$556

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/26

6:15 am-10:40 pm

2 stops25h 25m

Portland

Mon 3/2

9:50 am-12:55 pm

2 stops18h 05m

$561

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 2/26

7:05 am-11:59 pm

2 stops25h 54m

Portland

Mon 3/2

5:45 pm-6:40 pm

1 stop15h 55m

$563

OsloPortland

TRF - PDX

TRFPDX

Oslo Sandefjord

Fri 4/24

6:00 am-10:22 pm

2 stops25h 22m

Portland

Tue 4/28

10:00 am-2:30 pm

2 stops43h 30m

$641

OsloPortland

TRF - PDX

TRFPDX

Oslo Sandefjord

Thu 12/4

9:40 am-11:25 am

2 stops34h 45m

Portland

Mon 12/8

1:25 pm-6:45 pm

2 stops20h 20m

$839

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Fri 12/19

1:45 pm-7:43 pm

2 stops62h 58m

Portland

Sat 1/10

7:51 pm-11:30 pm

2 stops42h 39m

$1,104

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 12/17

11:50 am-12:41 am

2 stops21h 51m

Portland

Sat 1/3

2:35 pm-5:40 pm

2 stops42h 05m

$1,142

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 12/17

1:10 pm-5:00 pm

1 stop12h 50m

Portland

Sat 1/3

12:54 pm-8:45 am

2 stops34h 51m

$1,247

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Fri 12/19

6:30 am-11:25 am

1 stop13h 55m

Portland

Sat 1/10

7:00 am-8:40 am

2 stops16h 40m

$1,306

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 Oslo to Portland

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 cheapest month to fly to Portland?

The cheapest month to fly to Portland from Oslo is in May. Flight prices, which tend to average around $485, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in May, then you should wait until February to fly from Oslo, when ticket prices are also cheap, with an average price of $493.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $524. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $914.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the morning when flights can be purchased for as low as $626. At noon is when there is more demand to fly to Portland, so prices are often more expensive at around $667 per ticket.

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from Oslo when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $626 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Oslo for as low as $503 on momondo.

Cheap Oslo to Portland flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Oslo to Portland by plane?
Oslo and Portland are 4689.3 mi apart from one another. 12h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Oslo to Portland Airport?
Prices for flights from Oslo to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Oslo to Portland Airport?
As of November 2025, there is 1 operator available to choose from for flights from Oslo to Portland Airport.
How old do you have to be to fly from Oslo to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oslo to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oslo to Portland

Compare and see reviews for airlines that fly from Oslo to Portland with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $490	Free Cancellation	Rating 7.7 1,411 reviews		Search KLM flights

Lincoln City

Seaside

Cannon Beach

Vancouver

Salem

Astoria

Long Beach

Depoe Bay

Rockaway Beach

Beaverton

Hillsboro

Hood River

Gresham

McMinnville

Longview

The Dalles

Pacific City

Tigard

Manzanita

Tillamook

Why use momondo?

Why should I use momondo to find a flight deal from Oslo to Portland?

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 Portland from Oslo.

Can I find flights from Oslo to Portland with flexible booking policies on momondo?

Flights from Oslo to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Oslo to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oslo to Portland.

I’m not ready to book a flight from Oslo to Portland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Oslo to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.