$321 Cheap Flights from Oslo (OSL) to Portland (PDX)

View $321 flight on Tue, May 19, 2026Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Portland International Airport (PDX)

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Cheap Flights from Oslo to Portland (OSL-PDX)

Prices were available within the past 7 days and start at $321 for one-way flights and $543 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Apr 20 - Mon, Apr 27
OSL
Oslo
PDX
Portland
$543 Roundtrip, found 14 hours ago
$543
Roundtrip
found 14 hours ago
Select British Airways flight, departing Mon, Apr 20 from Oslo to Portland, returning Mon, Apr 27, priced at $543 found 14 hours ago
British Airways
Mon, Apr 20 - Mon, Apr 27
OSL
Oslo
PDX
Portland
$544 Roundtrip, found 14 hours ago
$544
Roundtrip
found 14 hours ago
Select British Airways flight, departing Mon, Apr 20 from Oslo to Portland, returning Mon, Apr 27, priced at $544 found 14 hours ago
British Airways
Tue, Jul 7 - Mon, Jul 27
OSL
Oslo
PDX
Portland
$552 Roundtrip, found 6 days ago
$552
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Jul 7 from Oslo to Portland, returning Mon, Jul 27, priced at $552 found 6 days ago
American Airlines
Mon, Nov 17 - Mon, Dec 1
OSL
Oslo
PDX
Portland
$555 Roundtrip, found 4 days ago
$555
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Nov 17 from Oslo to Portland, returning Mon, Dec 1, priced at $555 found 4 days ago
Icelandair
Mon, Apr 20 - Mon, Apr 27
OSL
Oslo
PDX
Portland
$556 Roundtrip, found 14 hours ago
$556
Roundtrip
found 14 hours ago
Select Icelandair flight, departing Mon, Apr 20 from Oslo to Portland, returning Mon, Apr 27, priced at $556 found 14 hours ago
Air Canada
Thu, Apr 16 - Thu, Apr 23
OSL
Oslo
PDX
Portland
$559 Roundtrip, found 4 days ago
$559
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Apr 16 from Oslo to Portland, returning Thu, Apr 23, priced at $559 found 4 days ago
American Airlines
Fri, Feb 13 - Tue, Feb 24
OSL
Oslo
PDX
Portland
$560 Roundtrip, found 3 days ago
$560
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Feb 13 from Oslo to Portland, returning Tue, Feb 24, priced at $560 found 3 days ago
American Airlines
Mon, Apr 20 - Mon, Apr 27
OSL
Oslo
PDX
Portland
$564 Roundtrip, found 14 hours ago
$564
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Mon, Apr 20 from Oslo to Portland, returning Mon, Apr 27, priced at $564 found 14 hours ago
American Airlines
Mon, Nov 24 - Fri, Dec 12
OSL
Oslo
PDX
Portland
$565 Roundtrip, found 4 days ago
$565
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Nov 24 from Oslo to Portland, returning Fri, Dec 12, priced at $565 found 4 days ago
Lufthansa
Sun, Nov 9 - Tue, Nov 25
OSL
Oslo
PDX
Portland
$574 Roundtrip, found 4 days ago
$574
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, Nov 9 from Oslo to Portland, returning Tue, Nov 25, priced at $574 found 4 days ago

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $571
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $571

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX) cost?
Lock in a cheap one-way flight from $321 or cheap return flight from $543 from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX)?
The cheapest month to fly from OSL to PDX is April, when demand is low. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest OSL to PDX flight.
How many flights per day from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX)?
There aren't any daily direct flights available from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from OSL to PDX?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX)?
Book a flight from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX) last-minute?
Waiting until just before your departure to book a flight from OSL to PDX generally means paying more. Although you may find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book an OSL to PDX flight and hotel package?
Securing an OSL to PDX flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Portland Intl. Airport (PDX)?
It's usually possible to reschedule or cancel your OSL to PDX flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Gardermoen
Destination airport
Portland Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$542
Distance
4676 mi

Book with confidence

Oslo to Portland Flights

The cheapest times to fly from Oslo to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Oslo to Portland are during the month of April. You can find some of the cheapest flights from Oslo to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Oslo to Portland

Sunday is one of the best days to book for cheap flights from Oslo to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Oslo to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Oslo to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $321 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Oslo to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Oslo to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Oslo to Portland Flights

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*Available to One Key members.