Cheapest one-way flights from Trondheim to Helsinki in October from $84

AirHint found the following cheapest one-way flights from Trondheim (TRD) to Helsinki (HEL) in October 2025 (see full year).

One-Way flights

09 Oct Wizz Air
18 Oct Wizz Air
18 Oct Finnair direct
11 Oct Finnair direct
06 Oct Scandinavian Airlines
02 Oct Scandinavian Airlines
10 Oct Scandinavian Airlines
16 Oct Scandinavian Airlines
06 Oct Finnair direct
09 Oct Finnair direct

Also check the deals for return flights from Trondheim to Helsinki in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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