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

Return flights

03 Oct - 06 Oct	Ryanair
09 Oct - 13 Oct	easyJet
16 Oct - 21 Oct	Wizz Air
02 Oct - 06 Oct	Ryanair
02 Oct - 08 Oct	Ryanair
01 Oct - 05 Oct	Wizz Air Malta
20 Oct - 25 Oct	Ryanair
14 Oct - 18 Oct	KLM
10 Oct - 14 Oct	Ryanair
28 Oct - 31 Oct	Wizz Air Malta
31 Oct - 04 Nov	Turkish Airlines
24 Oct - 02 Nov	Wizz Air Malta
31 Oct - 04 Nov	Aegean Airlines	direct
24 Oct - 02 Nov	Aegean Airlines	direct

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Cheapest return flights from Athens to Helsinki in October from 167€

Return flights