$95 Cheap Flights from Trondheim (TRD) to Helsinki (HEL)

View $95 flight on Tue, Mar 10, 2026Opens in a new window

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

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Cheap Flights from Trondheim to Helsinki (TRD-HEL)

Prices were available within the past 7 days and start at $95 for one-way flights and $242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$242 Roundtrip, found 6 days ago
$242
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $242 found 6 days ago
Scandinavian Airlines
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$257 Roundtrip, found 6 days ago
$257
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $257 found 6 days ago
Scandinavian Airlines
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$265 Roundtrip, found 6 days ago
$265
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $265 found 6 days ago
Scandinavian Airlines
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $272 found 6 days ago
Norwegian Air Shuttle
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$278 Roundtrip, found 6 days ago
$278
Roundtrip
found 6 days ago
Select Norwegian Air Shuttle flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $278 found 6 days ago
Scandinavian Airlines
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$279 Roundtrip, found 6 days ago
$279
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $279 found 6 days ago
Norwegian Air Shuttle
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$290 Roundtrip, found 6 days ago
$290
Roundtrip
found 6 days ago
Select Norwegian Air Shuttle flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $290 found 6 days ago
Scandinavian Airlines
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$294 Roundtrip, found 6 days ago
$294
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $294 found 6 days ago
Finnair
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$384 Roundtrip, found 6 days ago
$384
Roundtrip
found 6 days ago
Select Finnair flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $384 found 6 days ago
Lufthansa
Thu, Aug 14 - Sun, Aug 17
TRD
Trondheim
HEL
Helsinki
$393 Roundtrip, found 6 days ago
$393
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Thu, Aug 14 from Trondheim to Helsinki, returning Sun, Aug 17, priced at $393 found 6 days ago
0
Flights from Trondheim (TRD) to Helsinki (HEL)
Origin airport
Vaernes
Destination airport
Vantaa
Roundtrip price
$242
Distance
504 mi

Trondheim to Helsinki Flights

The cheapest times to fly from Trondheim to Helsinki

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

 

The best time to book a flight from Trondheim to Helsinki

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

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 Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $95 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 Helsinki 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 Helsinki 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 Vantaa Airport (HEL) cost?
You can score affordable return tickets from Vaernes Airport (TRD) to Vantaa Airport (HEL) starting from $382. Reserve your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Finnair flight leaving TRD on July 4 2025 and touching down at HEL. The price was last updated on June 26 2025 and has not changed since.
What is the cheapest month to fly from TRD to HEL?
The cheapest flights from TRD to HEL 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 TRD to HEL?
With prices starting from $191 for a one-way journey from TRD to HEL, Finnair is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from TRD on July 23 2025. Prices were last updated on June 26 2025 and have not changed since.
How many flights per day from Vaernes Airport (TRD) to Vantaa Airport (HEL)?
There are no daily direct flights available from Vaernes Airport (TRD) to Vantaa Airport (HEL). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from TRD to HEL?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season 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 TRD to HEL?
With 91% of journeys generally landing on schedule, Finnair has the best on-time performance for direct flights from Vaernes Airport (TRD) to Vantaa Airport (HEL). To keep track of your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Vaernes Airport (TRD) to Vantaa Airport (HEL)?
To avoid potential delays on the Vaernes Airport (TRD) to Vantaa Airport (HEL) route, fly before 3 PM. Departures after this time have a 22% higher chance of being 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 Vaernes Airport (TRD) to Vantaa Airport (HEL) last-minute?
Last-minute bookings from TRD to HEL are generally more expensive. To secure the lowest rates, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, you may find a cheap ticket just before your departure.
Is it cheaper to book a TRD to HEL flight and hotel package?
Booking a TRD to HEL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of accommodations and then add activities, car rentals and flights 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 Vantaa Airport (HEL)?
In most instances, you can cancel or reschedule your TRD to HEL flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.