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

Return flights

04 Oct - 08 Oct	Ryanair
04 Oct - 07 Oct	Ryanair
22 Oct - 30 Oct	Ryanair
01 Oct - 07 Nov	Ryanair
31 Oct - 02 Nov	Ryanair
07 Oct - 11 Oct	airBaltic
23 Oct - 29 Oct	Ryanair
27 Oct - 31 Oct	Ryanair
06 Oct - 10 Oct	Ryanair
08 Oct - 15 Oct	airBaltic
08 Oct - 10 Oct	airBaltic
07 Oct - 09 Oct	airBaltic
30 Oct - 01 Nov	Ryanair
27 Oct - 02 Nov	Ryanair
30 Oct - 03 Nov	Ryanair
30 Oct - 02 Nov	Ryanair
28 Oct - 01 Nov	Ryanair
28 Oct - 01 Nov	Finnair	direct
30 Oct - 02 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 133€

Return flights