AirHint found the following cheapest return flights from Zakynthos (ZTH) to Helsinki (HEL) in August 2025 (see full year).

Return flights

20 Aug - 26 Aug	Jet2
21 Aug - 26 Aug	Jet2
19 Aug - 26 Aug	Ryanair
22 Aug - 26 Aug	Scandinavian Airlines
23 Aug - 26 Aug	SKY express
25 Aug - 26 Aug	Jet2
26 Aug - 26 Aug	Aegean Airlines
24 Aug - 26 Aug	Ryanair
29 Aug - 29 Aug	Wizz Air Malta
28 Aug - 28 Aug	Volotea

Also check the deals for one-way flights from Zakynthos 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 return flights from Zakynthos to Helsinki in August from 318€

Return flights