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Cheap flights from Trondheim to Helsinki

TRD — HEL
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Trondheim to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Trondheim (TRD) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 September 2025.

Popular in

July

Cheapest in

February

Average price

£150
Highest demand for flights based on searches. 20% potential increase in price (£30 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Best time to book a flight from Trondheim to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Trondheim with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trondheim to Helsinki

How far ahead should I book a flight from Trondheim to Helsinki?

Use this chart to determine the optimal time to book a return flight from Trondheim to Helsinki. Price data was last updated on 12 September 2025.

The price you pay for your flight from Trondheim to Helsinki may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Trondheim to Helsinki?

Currently, November is the cheapest month in which you can book a flight from Trondheim to Helsinki (average of £92). Flying from Trondheim to Helsinki in July is currently the most expensive (average of £305). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TRD to HEL?

Find hourly flight availability from Trondheim to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Trondheim to Helsinki as you normally would.

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated 17 September 2025.
See what other customers who have flown with Scandinavian Airlines from Trondheim to Helsinki have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,486 reviews
Check prices

Overall

7.4

Crew

8.0

Boarding

7.6

Comfort

7.3

Food

6.7

Entertainment

6.6

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Scandinavian Airlines
7.4
Good
1,486 reviews
Scandinavian Airlines
7.4
Good
1,486 reviews
Check prices

Overall

7.4

Crew

8.0

Boarding

7.6

Comfort

7.3

Food

6.7

Entertainment

6.6

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

Related info for your journey

Find useful and relevant information for your journey from Trondheim to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Trondheim to Helsinki flight route?

    This flight path from Trondheim Vaernes to Helsinki-Vantaa was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What is the cheapest airline to fly from Trondheim to Helsinki round-trip?

    Our cheapest airline available from Trondheim to Helsinki is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as £81 on this airline. Scandinavian Airlines is 50% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Trondheim to Helsinki?

    The top 3 most reliable airlines when flying from Trondheim to Helsinki are Qatar Airways (87%), Japan Airlines (87%) and Finnair (63%).

  • Can I find deals for flights from Trondheim to Helsinki that include hotel bookings?

    Yes. In addition to deals on Trondheim to Helsinki flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Trondheim to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trondheim to Helsinki.

  • Can I find deals for business class flights from Trondheim to Helsinki?

    Yes. Cheapflights offers flight deals from Trondheim to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trondheim to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Trondheim to Helsinki (average of £92). Flying from Trondheim to Helsinki in July is currently the most expensive (average of £305). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Espoo
Vantaa

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Alternative routes for Trondheim to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
Oslo Gardermoen to Helsinki flights

Top airline flying from Trondheim to Helsinki

Discover the top airline that operate flights from Trondheim to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£81Average£131FlexibilityNo cancel feeOn-time77%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Trondheim to Helsinki?

When you search for this flight from Trondheim to Helsinki, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Trondheim to Helsinki?

Cheapflights simply makes it quick and affordable to book flights from Trondheim to Helsinki by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Trondheim to Helsinki with no change fees?

Certainly. Search results for flights to Helsinki from Trondheim shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Trondheim to Helsinki become cheaper?

Not ready to book yet? You can track prices for flights from Trondheim to Helsinki on Cheapflights with our Price Alert feature and get notified when better prices are available.

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