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$340+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — PDX
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This Ticket deal was found by Cheapflights users on 1/26. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:20 am
OSL
-
PDX
1 stop17h 35m
British Airways
Mon 3/305:40 am
PDX
-
OSL
2 stops32h 45m
British Airways
Deal found 1/26$433
This Ticket deal was found by Cheapflights users on 1/25. 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.
Sun 3/157:20 am
OSL
-
PDX
1 stop17h 35m
British Airways
Sun 3/297:30 pm
PDX
-
OSL
1 stop19h 10m
British Airways
Deal found 1/25$434
This Travelis deal was found by Cheapflights users on 1/25. 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.
Thu 9/312:50 pm
OSL
-
PDX
2 stops19h 32m
Finnair
Fri 9/111:31 pm
PDX
-
OSL
2 stops18h 04m
Finnair
Deal found 1/25$437
This Ticket deal was found by Cheapflights users on 1/26. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:50 pm
OSL
-
PDX
2 stops33h 12m
Finnair
Mon 3/307:30 pm
PDX
-
OSL
2 stops27h 20m
Finnair
Deal found 1/26$447
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:35 am
OSL
-
PDX
1 stop15h 05m
American Airlines
Sun 4/261:09 pm
PDX
-
OSL
2 stops36h 21m
American Airlines
Deal found 1/25$500
This Finnair deal was found by Cheapflights users on 1/25. 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.
Sun 3/158:50 pm
OSL
-
PDX
2 stops33h 12m
Multiple Airlines
Sun 3/2911:59 pm
PDX
-
OSL
2 stops34h 46m
Multiple Airlines
Deal found 1/25$501
This British Airways deal was found by Cheapflights users on 1/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:35 am
OSL
-
PDX
1 stop15h 05m
British Airways
Sun 4/266:22 am
PDX
-
OSL
2 stops43h 08m
British Airways
Deal found 1/26$503
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:45 am
OSL
-
PDX
2 stops44h 31m
American Airlines
Wed 4/1511:56 am
PDX
-
OSL
2 stops26h 29m
American Airlines
Deal found 1/25$506
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:10 am
OSL
-
PDX
2 stops22h 07m
American Airlines
Wed 3/115:38 pm
PDX
-
OSL
2 stops21h 02m
American Airlines
Deal found 1/26$508
This Ticket deal was found by Cheapflights users on 1/25. 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.
Thu 9/37:45 am
OSL
-
PDX
1 stop18h 55m
British Airways
Fri 9/117:30 pm
PDX
-
OSL
1 stop17h 50m
British Airways
Deal found 1/25$524

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$433
(Ticket)

One-way from

$340
(Finnair)

Popular in

December

Cheapest in

May

Average price

$663
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. 12% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 27, 2026.
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

Sun 3/15

8:50 pm-10:02 pm

2 stops33h 12m

Portland

Sun 3/29

11:59 pm-7:45 pm

2 stops34h 46m

$501

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 4/22

11:35 am-5:40 pm

1 stop15h 05m

Portland

Sun 4/26

6:22 am-10:30 am

2 stops43h 08m

$503

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 4/22

7:45 am-10:32 pm

2 stops23h 47m

Portland

Sun 4/26

6:00 am-10:30 am

2 stops43h 30m

$505

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Wed 4/1

5:10 pm-5:40 pm

1 stop33h 30m

Portland

Wed 4/15

6:00 am-10:45 am

2 stops19h 45m

$540

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 2/9

7:20 am-3:55 pm

1 stop17h 35m

Portland

Tue 3/10

11:46 am-10:55 am

2 stops39h 09m

$540

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 2/9

7:20 am-3:55 pm

1 stop17h 35m

Portland

Sun 3/8

6:45 pm-10:55 am

1 stop32h 10m

$540

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 2/9

7:20 am-3:55 pm

1 stop17h 35m

Portland

Mon 3/9

6:45 pm-10:55 am

1 stop32h 10m

$540

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Tue 2/10

7:20 am-8:27 pm

2 stops22h 07m

Portland

Tue 3/10

11:46 am-10:55 am

2 stops39h 09m

$545

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Tue 2/10

7:20 am-8:27 pm

2 stops22h 07m

Portland

Sun 3/8

6:40 am-10:55 am

2 stops44h 15m

$545

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Tue 3/31

7:30 pm-12:15 am

2 stops37h 45m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Oslo Gardermoen Airport-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oslo Gardermoen Airport-Portland flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

The best time to book flights from Oslo Gardermoen Airport to Portland is 13 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 $414). Flying from Oslo Gardermoen Airport to Portland in December is currently the most expensive (average of $792). 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 January 27, 2026.
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
1,443 reviews

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.7

Boarding

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 15h 05m. British Airways provides one of the quickest options available for as low as $503. 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 $498, was found to be the cheapest airline from Oslo Gardermoen Airport to Portland.. KLM is currently priced 26% 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 $414). Flying from Oslo Gardermoen Airport to Portland in December is currently the most expensive (average of $792). 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
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
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Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$498Average$705FlexibilityNo cancel feeOn-time75%

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