AirHint found the following cheapest return flights from Athens (ATH) to Helsinki (HEL) in October 2025 (see full year).

Return flights

23 Oct - 26 Oct	SKY express
22 Oct - 29 Oct	SKY express
23 Oct - 30 Oct	SKY express
31 Oct - 04 Nov	Wizz Air Malta
21 Oct - 26 Oct	SKY express
30 Oct - 03 Nov	Wizz Air Malta
21 Oct - 25 Oct	SKY express
23 Oct - 31 Oct	Wizz Air Malta
28 Oct - 04 Nov	Aegean Airlines
21 Oct - 31 Oct	Ryanair
31 Oct - 07 Nov	Wizz Air Malta
30 Oct - 06 Nov	Wizz Air Malta
29 Oct - 01 Nov	Ryanair
23 Oct - 29 Oct	Wizz Air Malta
22 Oct - 25 Oct	Ryanair
22 Oct - 31 Oct	Wizz Air Malta
28 Oct - 01 Nov	Aegean Airlines
28 Oct - 03 Nov	Ryanair
26 Oct - 09 Nov	Volotea
26 Oct - 01 Nov	Volotea

Also check the deals for one-way flights from Athens to Helsinki in October.

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 Athens to Helsinki in October from $267

Return flights