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

Return flights

06 Dec - 08 Dec	Ryanair
13 Dec - 15 Dec	airBaltic
04 Dec - 11 Dec	airBaltic
09 Dec - 12 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
11 Dec - 14 Dec	airBaltic
13 Dec - 16 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
06 Dec - 10 Dec	Ryanair
15 Dec - 13 Jan	airBaltic
15 Dec - 10 Jan	airBaltic
06 Dec - 09 Dec	Lufthansa
29 Dec - 04 Jan	airBaltic
27 Dec - 04 Jan	Finnair
31 Dec - 05 Jan	Ryanair
27 Dec - 03 Jan	Finnair
15 Dec - 10 Jan	Finnair	direct
30 Dec - 03 Jan	Finnair	direct
27 Dec - 03 Jan	Finnair	direct
31 Dec - 05 Jan	Finnair	direct

Also check the deals for one-way flights from Helsinki to Dublin 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 Dublin in December from 126€

Return flights