HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$315+ Cheap flights from Oslo Gardermoen (OSL) 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — PDX
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oslo Gardermoen 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 Gardermoen to Portland are usually found in November or May, booked 20 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Find flight deals from Oslo Gardermoen to Portland

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

This Travelis deal was found by Cheapflights users on 10/26. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/37:20 amOSL - PDX
2 stops20h 49mBritish Airways
mar. 11/1811:43 amPDX - OSL
2 stops17h 27mBritish Airways
Deal found 10/26$600
This United Airlines deal was found by Cheapflights users on 10/26. 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.
lun. 11/36:15 amOSL - PDX
2 stops24h 50mUnited Airlines
mar. 11/187:00 amPDX - OSL
3 stops25h 10mUnited Airlines
Deal found 10/26$661
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 11/76:15 amOSL - PDX
2 stops23h 23mUnited Airlines
vie. 11/145:00 amPDX - OSL
2 stops25h 40mUnited Airlines
Deal found 10/28$664
This Delta deal was found by Cheapflights users on 10/27. 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.
vie. 11/76:30 amOSL - PDX
1 stop13h 55mDelta
vie. 11/147:05 amPDX - OSL
2 stops19h 45mDelta
Deal found 10/27$703
This KLM deal was found by Cheapflights users on 10/28. 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.
vie. 11/76:30 amOSL - PDX
1 stop13h 55mKLM
vie. 11/141:25 pmPDX - OSL
1 stop13h 25mKLM
Deal found 10/28$705
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 12/126:15 amOSL - PDX
2 stops27h 22mUnited Airlines
vie. 12/192:35 pmPDX - OSL
2 stops48h 05mUnited Airlines
Deal found 10/28$1,136
This Air Canada deal was found by Cheapflights users on 10/28. 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.
vie. 11/76:15 amOSL - PDX
3 stops21h 15mMultiple Airlines
vie. 11/147:00 pmPDX - OSL
2 stops33h 05mMultiple Airlines
Deal found 10/28$1,280

Cheap flight deals from Oslo Gardermoen to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Oslo Gardermoen (OSL) 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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$540
(American Airlines)

One-way from

$315
(Finnair)

Popular in

July

Cheapest in

November

Average price

$621
Provider with most accurate pricing for Oslo Gardermoen-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oslo Gardermoen-Portland flights.
Search Deals
From Oslo Gardermoen to Portland
Search Deals
One-way flight from Oslo Gardermoen to Portland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen 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 octubre 28, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Portland that are best for you.

Fly from

Oslo Gardermoen

Fly to

Portland

Route

Depart

Return

Price

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

jue. 2/26

7:05 am-10:50 am

2 stops36h 45m

Portland

lun. 3/2

5:45 pm-2:10 pm

1 stop35h 25m

$540

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

jue. 2/26

1:45 pm-12:44 am

2 stops19h 59m

Portland

lun. 3/2

4:00 pm-5:40 pm

2 stops16h 40m

$569

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

jue. 2/26

3:05 pm-3:55 pm

1 stop33h 50m

Portland

lun. 3/2

5:45 pm-6:40 pm

1 stop15h 55m

$570

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

vie. 11/7

6:15 am-8:38 pm

2 stops23h 23m

Portland

vie. 11/14

5:00 am-3:40 pm

2 stops25h 40m

$664

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

vie. 11/7

6:30 am-11:25 am

1 stop13h 55m

Portland

vie. 11/14

1:25 pm-11:50 am

1 stop13h 25m

$703

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

mié. 3/18

6:55 am-4:55 pm

1 stop18h 00m

$315

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

sáb. 2/28

6:25 am-7:39 pm

2 stops22h 14m

$319

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

dom. 2/22

8:45 am-9:05 pm

2 stops21h 20m

$319

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

sáb. 2/28

6:25 am-9:05 pm

2 stops23h 40m

$319

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

sáb. 3/21

6:30 pm-4:55 pm

1 stop30h 25m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 14 results
1
2

Compare providers for flights from Oslo Gardermoen to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oslo Gardermoen to Portland in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oslo Gardermoen Airport-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oslo Gardermoen Airport-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Oslo Gardermoen Airport-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oslo Gardermoen Airport-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oslo Gardermoen Airport-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Oslo Gardermoen to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Oslo Gardermoen 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 Gardermoen Airport to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Oslo Gardermoen to Portland. Price data was last updated on October 24, 2025.

The best time to book flights from Oslo Gardermoen Airport to Portland is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Portland (average of $360). Flying from Oslo Gardermoen Airport to Portland in July is currently the most expensive (average of $686). 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.

How much does it cost to fly round-trip from Oslo Gardermoen Airport to Portland?

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 octubre 28, 2025.
Read reviews from past customers who have flown KLM from Oslo Gardermoen Airport to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen 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 Gardermoen?

    Portland (PDX) is the airport you will fly into if you book a flight from Oslo Gardermoen to Portland. You should not have trouble finding flights to Portland from Oslo Gardermoen; the airport handles an average of 0 inbound flights from Oslo Gardermoen per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Portland airport from Oslo Gardermoen. It is only a 6.0 mi journey from Portland (PDX) to Portland’s city center.

  • How long is the flight from Oslo Gardermoen Airport to Portland?

    A quick flight from Oslo Gardermoen Airport to Portland can take about 19h 59m. American Airlines provides one of the quickest options available for as low as $569. Airlines will cover a distance of 4674 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Oslo Gardermoen Airport to Portland round-trip?

    KLM, at $490, was found to be the cheapest airline from Oslo Gardermoen Airport to Portland.. KLM is currently priced 21% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oslo Gardermoen 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 Gardermoen Airport to Portland?

    Currently, September is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Portland (average of $360). Flying from Oslo Gardermoen Airport to Portland in July is currently the most expensive (average of $686). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Lake Oswego
Beaverton
McMinnville
Hillsboro
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Gresham
Tillamook
Troutdale

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 Gardermoen to Portland

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

Top airline flying from Oslo Gardermoen to Portland

Discover the top airline that operate flights from Oslo Gardermoen 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$490Average$705FlexibilityNo cancel feeOn-time75%

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.