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

Return flights

23 Dec - 26 Dec	Finnair	direct
24 Dec - 26 Dec	Finnair	direct
29 Dec - 30 Dec	Finnair	direct
31 Dec - 04 Jan	Finnair	direct
24 Dec - 01 Jan	Finnair	direct
30 Dec - 02 Jan	Finnair	direct
30 Dec - 03 Jan	Finnair	direct
27 Dec - 28 Dec	Finnair	direct
30 Dec - 10 Jan	Finnair	direct
20 Dec - 30 Dec	Finnair	direct
17 Dec - 18 Dec	Finnair	direct
18 Dec - 20 Dec	Finnair	direct

Also check the deals for one-way flights from Helsinki to Tallinn 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 Helsinki to Tallinn in December from $179

Return flights