AirHint found the following cheapest one-way flights from Athens (ATH) to Helsinki (HEL) in August 2025 (see full year).

One-Way flights

30 Aug	Norwegian Air Sweden AOC	direct
26 Aug	Norwegian Air Sweden AOC	direct
27 Aug	Wizz Air
16 Aug	Norwegian Air Sweden AOC	direct
29 Aug	Aegean Airlines	direct
19 Aug	Norwegian Air Sweden AOC	direct
31 Aug	Volotea
25 Aug	Scandinavian Airlines
28 Aug	Scandinavian Airlines
20 Aug	Wizz Air

Also check the deals for return flights from Athens to Helsinki in August.

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 Athens to Helsinki in August from 105€

One-Way flights