$463 Cheap Flights from Portland (PDX) to Tromsø (TOS)

View $463 flight on Fri, Feb 6, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Tromsø (TOS-Langnes)

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Cheap Flights from Portland to Tromsø (PDX-TOS)

Prices were available within the past 7 days and start at $463 for one-way flights and $518 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, Nov 8 - Wed, Nov 12
PDX
Portland
TOS
Tromsø
$518 Roundtrip, found 18 hours ago
$518
Roundtrip
found 18 hours ago
Select Scandinavian Airlines flight, departing Sat, Nov 8 from Portland to Tromsø, returning Wed, Nov 12, priced at $518 found 18 hours ago
Scandinavian Airlines
Thu, Jan 22 - Wed, Jan 28
PDX
Portland
TOS
Tromsø
$519 Roundtrip, found 1 day ago
$519
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Thu, Jan 22 from Portland to Tromsø, returning Wed, Jan 28, priced at $519 found 1 day ago
Scandinavian Airlines
Sat, Nov 8 - Fri, Nov 14
PDX
Portland
TOS
Tromsø
$548 Roundtrip, found 2 days ago
$548
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Nov 8 from Portland to Tromsø, returning Fri, Nov 14, priced at $548 found 2 days ago
Scandinavian Airlines
Mon, Jan 12 - Tue, Jan 20
PDX
Portland
TOS
Tromsø
$548 Roundtrip, found 2 days ago
$548
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, Jan 12 from Portland to Tromsø, returning Tue, Jan 20, priced at $548 found 2 days ago
Scandinavian Airlines
Sat, Jan 17 - Tue, Jan 27
PDX
Portland
TOS
Tromsø
$549 Roundtrip, found 4 days ago
$549
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Sat, Jan 17 from Portland to Tromsø, returning Tue, Jan 27, priced at $549 found 4 days ago
Scandinavian Airlines
Sat, Nov 8 - Tue, Nov 25
PDX
Portland
TOS
Tromsø
$579 Roundtrip, found 4 days ago
$579
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Sat, Nov 8 from Portland to Tromsø, returning Tue, Nov 25, priced at $579 found 4 days ago
Delta
Mon, Jan 12 - Thu, Jan 15
PDX
Portland
TOS
Tromsø
$630 Roundtrip, found 2 days ago
$630
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Jan 12 from Portland to Tromsø, returning Thu, Jan 15, priced at $630 found 2 days ago
British Airways
Mon, Nov 10 - Thu, Nov 20
PDX
Portland
TOS
Tromsø
$651 Roundtrip, found 4 days ago
$651
Roundtrip
found 4 days ago
Select British Airways flight, departing Mon, Nov 10 from Portland to Tromsø, returning Thu, Nov 20, priced at $651 found 4 days ago
KLM
Mon, Mar 2 - Thu, Mar 19
PDX
Portland
TOS
Tromsø
$657 Roundtrip, found 4 days ago
$657
Roundtrip
found 4 days ago
Select KLM flight, departing Mon, Mar 2 from Portland to Tromsø, returning Thu, Mar 19, priced at $657 found 4 days ago
American Airlines
Wed, Apr 1 - Wed, Apr 8
PDX
Portland
TOS
Tromsø
$672 Roundtrip, found 8 hours ago
$672
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Wed, Apr 1 from Portland to Tromsø, returning Wed, Apr 8, priced at $672 found 8 hours ago

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Langnes Airport (TOS) cost?
Lock in a cheap one-way flight from $463 or cheap return flight from $518 from Portland Intl. Airport (PDX) to Langnes Airport (TOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Langnes Airport (TOS)?
The cheapest month to fly from PDX to TOS is November, when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Langnes Airport (TOS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PDX to TOS flight.
How many flights per day from Portland Intl. Airport (PDX) to Langnes Airport (TOS)?
You'll need to take a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Langnes Airport (TOS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from PDX to TOS?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, carrier 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 Portland Intl. Airport (PDX) to Langnes Airport (TOS)?
To land at Langnes Airport (TOS) on time, choose a flight that leaves from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Portland Intl. Airport (PDX) to Langnes Airport (TOS) last-minute?
Last-minute bookings from PDX to TOS are generally more expensive. To lock in the best prices, start searching for flights early. That being said, if your travel plans are flexible, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a PDX to TOS flight and hotel package?
You'll generally save money by securing a PDX to TOS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your ideal accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Langnes Airport (TOS)?
If you booked your PDX to TOS flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Langnes
Airlines serving
British Airways, Finnair, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Roundtrip price
$518
Distance
4237 mi

Book with confidence

Book with confidence

Portland to Tromsø Flights

The cheapest times to fly from Portland to Tromsø

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 Portland to Tromsø are during the month of November. You can find some of the cheapest flights from Portland to Tromsø with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Tromsø

Sunday is one of the best days to book for cheap flights from Portland to Tromsø: 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 Portland to Tromsø

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 Portland to Tromsø in 2025. You can also book with separate airlines for your outbound and return journeys, from $463 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 Portland to Tromsø 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 Portland to Tromsø 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.

 

Portland to Tromsø Flights

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*Available to One Key members.