AirHint found the following cheapest one-way flights from Tromso (TOS) to Helsinki (HEL) in July 2025 (see full year).

One-Way flights

25 Jul	Finnair	direct
29 Jul	Finnair	direct
24 Jul	Scandinavian Airlines
15 Jul	Finnair	direct
14 Jul	Finnair	direct
13 Jul	Finnair	direct
16 Jul	Finnair	direct
02 Jul	Finnair	direct
22 Jul	Finnair	direct
21 Jul	Finnair	direct

Also check the deals for return flights from Tromso to Helsinki in July.

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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Cheapest one-way flights from Tromso to Helsinki in July from $142

One-Way flights