Search and book Trondheim to Helsinki flights

Your journey starts here

Finnair flies direct from Trondheim to Helsinki October–October 2025 and March–October 2026.

Timetable for this route

Popular flights and flight offers from Trondheim to Helsinki

TRD – HEL
Trondheim - Helsinki
Thu 4 Dec 2025 – Mon 8 Dec 2025
From
2,725 NOK

Our cheapest flights from Trondheim to Helsinki

TRD – HEL
Trondheim - Helsinki
Thu 4 Dec 2025 – Mon 8 Dec 2025
From
2,725 NOK

Popular routes and flight deals