$99 Cheap Flights from Helsinki (HEL) to Trondheim (TRD)

View $99 flight on Fri, Jun 13, 2025Opens in a new window

Popular airlines from Helsinki-Vantaa Airport (HEL) to Vaernes Airport (TRD)

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Cheap Flights from Helsinki to Trondheim (HEL-TRD)

Prices were available within the past 7 days and start at $99 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$199 Roundtrip, found 6 days ago
$199
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $199 found 6 days ago
Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$213 Roundtrip, found 6 days ago
$213
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $213 found 6 days ago
Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$224 Roundtrip, found 6 days ago
$224
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $224 found 6 days ago
Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$225 Roundtrip, found 6 days ago
$225
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $225 found 6 days ago
Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$231 Roundtrip, found 6 days ago
$231
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $231 found 6 days ago
Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$235 Roundtrip, found 6 days ago
$235
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $235 found 6 days ago
Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $237 found 6 days ago
Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$239 Roundtrip, found 6 days ago
$239
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $239 found 6 days ago
Scandinavian Airlines
Tue, Jul 22 - Thu, Jul 31
HEL
Helsinki
TRD
Trondheim
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Tue, Jul 22 from Helsinki to Trondheim, returning Thu, Jul 31, priced at $244 found 6 days ago
Scandinavian Airlines
Mon, Jun 9 - Mon, Jun 16
HEL
Helsinki
TRD
Trondheim
$245 Roundtrip, found 6 days ago
$245
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 9 from Helsinki to Trondheim, returning Mon, Jun 16, priced at $245 found 6 days ago
Flights from Helsinki (HEL) to Trondheim (TRD)
Origin airport
Vantaa
Destination airport
Vaernes
Roundtrip price
$199
Distance
504 mi

Helsinki to Trondheim Flights

The cheapest times to fly from Helsinki to Trondheim

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

 

The best time to book a flight from Helsinki to Trondheim

Sunday is one of the best days to book for cheap flights from Helsinki to Trondheim: 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 Helsinki to Trondheim

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 Helsinki to Trondheim in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 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 Helsinki to Trondheim 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 Helsinki to Trondheim 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 Vantaa Airport (HEL) to Vaernes Airport (TRD) cost?
Discover the latest flight deals from HEL to TRD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HEL to TRD?
The cheapest flights from HEL to TRD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HEL to TRD?
Fly from HEL to TRD with Finnair. This airline currently has the cheapest one-way ticket for this route, starting from $170. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HEL on May 28 2025. Prices were last updated on April 30 2025 and have not changed since.
How many flights per day from Vantaa Airport (HEL) to Vaernes Airport (TRD)?
You’ll need to book a flight with a layover if you’re traveling from Vantaa Airport (HEL) to Vaernes Airport (TRD). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from HEL to TRD?
Generally you’ll find the most flight options available on a Friday. Tuesdays are often 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 airline has the least delays from HEL to TRD?
Consider booking with Finnair if you’d like to go straight from Vantaa Airport (HEL) to Vaernes Airport (TRD) without any interruptions. This carrier has the strongest track record for punctuality, with an on-time score of 82%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Vantaa Airport (HEL) to Vaernes Airport (TRD)?
Book a flight from Vantaa Airport (HEL) to Vaernes Airport (TRD) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Vantaa Airport (HEL) to Vaernes Airport (TRD) last-minute?
Last-minute fares from HEL to TRD are typically more expensive. To secure the best prices, start looking for flights early. That being said, if your travel plans are flexible, it’s possible to score a cheap fare right before you leave.
Is it cheaper to book a HEL to TRD flight and hotel package?
You can save money by booking a HEL to TRD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. Once you’ve selected your preferred flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Vantaa Airport (HEL) to Vaernes Airport (TRD)?
If you booked your HEL to TRD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond 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’d like more information.

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*Available to One Key members.