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

Return flights

29 Dec - 08 Jan	Wizz Air
29 Dec - 11 Jan	Wizz Air
23 Dec - 09 Jan	KLM
26 Dec - 06 Jan	KLM
27 Dec - 06 Jan	KLM
23 Dec - 01 Jan	KLM
31 Dec - 05 Jan	Wizz Air UK
26 Dec - 31 Dec	KLM
25 Dec - 06 Jan	KLM
28 Dec - 06 Jan	Scandinavian Airlines
28 Dec - 07 Jan	Wizz Air
23 Dec - 31 Dec	KLM
26 Dec - 30 Dec	KLM
27 Dec - 31 Dec	KLM
25 Dec - 29 Dec	KLM
26 Dec - 29 Dec	KLM
23 Dec - 30 Dec	KLM
24 Dec - 29 Dec	KLM
23 Dec - 29 Dec	KLM
26 Dec - 28 Dec	KLM

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

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 December from 213€

Return flights