Cheapest return flights from Helsinki to Dublin in September from $183

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

Return flights

04 Sep - 08 Sep Norwegian Air Sweden AOC
05 Sep - 07 Sep Ryanair
12 Sep - 15 Sep Ryanair
11 Sep - 15 Sep Ryanair
13 Sep - 16 Sep Ryanair
05 Sep - 08 Sep Ryanair
04 Sep - 07 Sep Norwegian Air Sweden AOC
22 Sep - 25 Sep Ryanair
14 Sep - 20 Sep airBaltic
26 Sep - 28 Sep KLM
04 Sep - 24 Oct Norwegian Air Sweden AOC
04 Sep - 24 Oct Finnair direct

Also check the deals for one-way flights from Helsinki to Dublin in September.

Skyscanner

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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