$705 Cheap Flights from Trondheim (TRD) to Portland (PDX)

View $705 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines from Vaernes Airport (TRD) to Portland International Airport (PDX)

Cheap Flights from Trondheim to Portland (TRD-PDX)

Prices were available within the past 7 days and start at $705 for one-way flights and $565 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 7 - Mon, Oct 13
TRD
Trondheim
PDX
Portland
$565 Roundtrip, found 2 days ago
$565
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Oct 7 from Trondheim to Portland, returning Mon, Oct 13, priced at $565 found 2 days ago
Delta
Tue, Oct 7 - Tue, Oct 14
TRD
Trondheim
PDX
Portland
$570 Roundtrip, found 2 days ago
$570
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Oct 7 from Trondheim to Portland, returning Tue, Oct 14, priced at $570 found 2 days ago
Delta
Mon, Oct 6 - Mon, Oct 13
TRD
Trondheim
PDX
Portland
$572 Roundtrip, found 2 days ago
$572
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Oct 6 from Trondheim to Portland, returning Mon, Oct 13, priced at $572 found 2 days ago
Delta
Mon, Oct 6 - Tue, Oct 14
TRD
Trondheim
PDX
Portland
$577 Roundtrip, found 2 days ago
$577
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Oct 6 from Trondheim to Portland, returning Tue, Oct 14, priced at $577 found 2 days ago
Delta
Wed, Oct 1 - Wed, Oct 8
TRD
Trondheim
PDX
Portland
$593 Roundtrip, found 2 days ago
$593
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 1 from Trondheim to Portland, returning Wed, Oct 8, priced at $593 found 2 days ago
Delta
Wed, Oct 1 - Tue, Oct 14
TRD
Trondheim
PDX
Portland
$598 Roundtrip, found 2 days ago
$598
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 1 from Trondheim to Portland, returning Tue, Oct 14, priced at $598 found 2 days ago
Delta
Wed, Oct 1 - Thu, Oct 9
TRD
Trondheim
PDX
Portland
$654 Roundtrip, found 2 days ago
$654
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 1 from Trondheim to Portland, returning Thu, Oct 9, priced at $654 found 2 days ago
KLM
Sat, Oct 4 - Tue, Oct 14
TRD
Trondheim
PDX
Portland
$1,018 Roundtrip, found 2 days ago
$1,018
Roundtrip
found 2 days ago
Select KLM flight, departing Sat, Oct 4 from Trondheim to Portland, returning Tue, Oct 14, priced at $1,018 found 2 days ago
Finnair
Wed, Sep 17 - Sun, Sep 21
TRD
Trondheim
PDX
Portland
$1,026 Roundtrip, found 2 days ago
$1,026
Roundtrip
found 2 days ago
Select Finnair flight, departing Wed, Sep 17 from Trondheim to Portland, returning Sun, Sep 21, priced at $1,026 found 2 days ago
Scandinavian Airlines
Wed, Sep 17 - Sun, Sep 21
TRD
Trondheim
PDX
Portland
$1,062 Roundtrip, found 2 days ago
$1,062
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Wed, Sep 17 from Trondheim to Portland, returning Sun, Sep 21, priced at $1,062 found 2 days ago
Flights from Trondheim (TRD) to Portland (PDX)
Origin airport
Vaernes
Destination airport
Portland Intl.
Roundtrip price
$565
Distance
4486 mi

Trondheim to Portland Flights

The cheapest times to fly from Trondheim 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 Trondheim to Portland are during the month of October. You can find some of the cheapest flights from Trondheim to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trondheim to Portland

Sunday is one of the best days to book for cheap flights from Trondheim 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 Trondheim 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 Trondheim to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $705 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 Trondheim 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 Trondheim 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.

 

Frequently asked questions

How much does a flight from Vaernes Airport (TRD) to Portland Intl. Airport (PDX) cost?
Snag a cheap one-way flight from $705 or cheap return flight from $565 from Vaernes Airport (TRD) to Portland Intl. Airport (PDX) 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 Vaernes Airport (TRD) to Portland Intl. Airport (PDX)?
October is the most affordable month to fly from TRD to PDX. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Vaernes Airport (TRD) to Portland Intl. Airport (PDX)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from TRD to PDX. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Vaernes Airport (TRD) to Portland Intl. Airport (PDX)?
You'll need to catch a flight with a layover if you're traveling from Vaernes Airport (TRD) to Portland Intl. Airport (PDX). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from TRD to PDX?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, time of year 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 Vaernes Airport (TRD) to Portland Intl. Airport (PDX)?
To arrive at Portland Intl. Airport (PDX) on time, choose a flight that leaves Vaernes Airport (TRD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Vaernes Airport (TRD) to Portland Intl. Airport (PDX) last-minute?
Booking your ticket from TRD to PDX just before your trip is usually more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a TRD to PDX flight and hotel package?
Securing a TRD to PDX flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Vaernes Airport (TRD) to Portland Intl. Airport (PDX)?
If you booked your TRD to PDX flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.