HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$374+ Cheap flights from Oslo to Portland (PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — PDX
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oslo to Portland with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Oslo to Portland are usually found in November or February, booked 20 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Oslo to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Round-trip from

$540
(Cheapflightsfares)

One-way from

$374
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$606
From Oslo to Portland
Search Deals
One-way flight from Oslo to Portland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Oslo to Portland

Cheapest flights from Oslo to Portland
Explore the most affordable flight options available from Oslo to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/238:00 amOSL - PDX
1 stop18h 35mBritish Airways
Wed 7/167:25 pmPDX - OSL
1 stop19h 05mBritish Airways
Deal found 3/27$540
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/257:15 amOSL - PDX
2 stops33h 27mUnited Airlines
Sat 7/199:53 amPDX - OSL
2 stops27h 17mUnited Airlines
Deal found 3/27$662
This Ticket deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/236:00 amOSL - PDX
1 stop14h 20mMultiple Airlines
Thu 7/1711:04 amPDX - OSL
2 stops15h 46mMultiple Airlines
Deal found 3/27$712
This Finnair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/215:20 pmOSL - PDX
2 stops38h 10mFinnair
Mon 7/141:15 pmPDX - OSL
2 stops25h 15mFinnair
Deal found 3/27$728
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/236:30 amOSL - PDX
2 stops19h 40mDelta
Thu 7/177:10 amPDX - OSL
2 stops19h 40mDelta
Deal found 3/27$787
This KLM deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/236:00 amOSL - PDX
1 stop14h 20mKLM
Wed 7/161:15 pmPDX - OSL
1 stop12h 50mKLM
Deal found 3/27$863
This Sembo deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/234:30 pmOSL - PDX
1 stop34h 25mIcelandair
Thu 7/173:20 pmPDX - OSL
1 stop12h 15mIcelandair
Deal found 3/27$903
This Air Canada deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:40 amOSL - PDX
2 stops36h 55mAir Canada
Sun 7/203:25 pmPDX - OSL
2 stops17h 40mAir Canada
Deal found 3/27$904
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/141:10 pmOSL - PDX
1 stop17h 20mScandinavian Airlines
Tue 7/17:00 amPDX - OSL
1 stop14h 50mScandinavian Airlines
Deal found 3/27$926
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/222:55 pmTRF - PDX
2 stops35h 15mScandinavian Airlines
Sat 7/1911:04 amPDX - TRF
2 stops22h 46mScandinavian Airlines
Deal found 3/27$1,020
This Iberia deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/239:55 pmOSL - PDX
2 stops28h 40mIberia
Mon 7/147:25 pmPDX - OSL
1 stop19h 05mIberia
Deal found 3/27$1,232
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/141:10 pmOSL - PDX
2 stops42h 00mTAP AIR PORTUGAL
Tue 7/111:35 pmPDX - OSL
3 stops34h 30mTAP AIR PORTUGAL
Deal found 3/27$3,064

Cheapflights Fare Finder

Customize your flight search to find flights from Oslo to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Oslo to Portland that are best for you.

Fly from

Oslo

Fly to

Portland

Route

Depart

Return

Price

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 6/23

8:00 am-5:35 pm

1 stop18h 35m

Portland

Wed 7/16

7:25 pm-11:30 pm

1 stop19h 05m

$540

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 6/25

7:15 am-7:42 am

2 stops33h 27m

Portland

Sat 7/19

9:53 am-10:10 pm

2 stops27h 17m

$662

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 6/23

6:00 am-11:20 am

1 stop14h 20m

Portland

Thu 7/17

11:04 am-11:50 am

2 stops15h 46m

$712

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sat 6/21

5:20 pm-10:30 pm

2 stops38h 10m

Portland

Mon 7/14

1:15 pm-11:30 pm

2 stops25h 15m

$728

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 6/23

6:30 am-5:10 pm

2 stops19h 40m

Portland

Thu 7/17

7:10 am-11:50 am

2 stops19h 40m

$787

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 6/23

6:00 am-11:20 am

1 stop14h 20m

Portland

Wed 7/16

1:15 pm-11:05 am

1 stop12h 50m

$863

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 6/23

4:30 pm-5:55 pm

1 stop34h 25m

Portland

Thu 7/17

3:20 pm-12:35 pm

1 stop12h 15m

$903

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 6/23

5:40 am-9:35 am

2 stops36h 55m

Portland

Sun 7/20

3:25 pm-6:05 pm

2 stops17h 40m

$904

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sat 6/14

1:10 pm-9:30 pm

1 stop17h 20m

Portland

Tue 7/1

7:00 am-6:50 am

1 stop14h 50m

$926

OsloPortland

TRF - PDX

TRFPDX

Oslo Sandefjord

Sun 6/22

2:55 pm-5:10 pm

2 stops35h 15m

Portland

Sat 7/19

11:04 am-6:50 pm

2 stops22h 46m

$1,020

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Oslo to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Oslo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oslo to Portland

How far ahead should I book a flight from Oslo to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Oslo to Portland. Price data was last updated on March 21, 2025.

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oslo to Portland?

Currently, November is the cheapest month in which you can book a flight from Oslo to Portland (average of $277). Flying from Oslo to Portland in March is currently the most expensive (average of $370). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Scandinavian Airlines
7.3
Good
1,325 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Oslo to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Oslo?

    Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Portland from Oslo. Booking flights from Oslo to Portland (PDX) should be relatively easy as there are 0 daily inbound flights from Oslo from 1 airline.

  • What are the cheapest airlines flying from Oslo to Portland round-trip?

    Currently priced at $540, British Airways will fly you from Oslo to Portland and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Finnair - these airlines can fly you to your destination from $662 and $728, respectively. These flights start at 10% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Oslo to Portland one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $684. Users have also found prices from $723 and $737 on British Airways and Finnair, respectively.

  • Can I find deals for flights from Oslo to Portland that include hotel bookings?

    Yes. In addition to deals on Oslo to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oslo to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo to Portland.

  • Can I find deals for business class flights from Oslo to Portland?

    Yes. Cheapflights offers flight deals from Oslo to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oslo to Portland?

    Currently, November is the cheapest month in which you can book a flight from Oslo to Portland (average of $277). Flying from Oslo to Portland in March is currently the most expensive (average of $370). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Lincoln City
Beaverton
Seaside
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Long Beach
Cannon Beach
Tigard
Astoria
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oslo to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Oslo Gardermoen to Portland flights
Sandefjord to Portland flights
Stavanger to Portland flights

Top airline flying from Oslo to Portland

Discover the top airline that operate flights from Oslo to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$524Average$565FlexibilityNo cancel feeOn-time70%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.