Search and book Trondheim to Helsinki flights

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Round-trip price per adult from
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Finnair flies direct from Trondheim to Helsinki September–October 2025 and March–September 2026.

Timetable for this route

Popular flights and flight offers from Trondheim to Helsinki

TRD – HEL
Trondheim - Helsinki
Sat 18 Oct 2025 – Thu 23 Oct 2025
From
2,087 NOK

Our cheapest flights from Trondheim to Helsinki

TRD – HEL
Trondheim - Helsinki
Sat 18 Oct 2025 – Thu 23 Oct 2025
From
2,087 NOK

Popular routes and flight deals

From Trondheim