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

Return flights

25 Oct - 01 Nov	Ryanair
01 Oct - 05 Oct	airBaltic
31 Oct - 02 Nov	Ryanair
03 Oct - 05 Oct	Ryanair
01 Oct - 07 Oct	airBaltic
07 Oct - 21 Oct	Ryanair
01 Oct - 07 Oct	Finnair	direct
13 Oct - 19 Oct	Ryanair
12 Oct - 15 Oct	Ryanair
01 Oct - 05 Oct	Finnair	direct
03 Oct - 05 Oct	Finnair	direct
25 Oct - 01 Nov	Finnair	direct
31 Oct - 02 Nov	Finnair	direct

Also check the deals for one-way flights from Helsinki to Dublin 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 Helsinki to Dublin in October from 142€

Return flights