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

Return flights

27 Sep - 12 Oct	Ryanair
28 Sep - 17 Oct	Ryanair
19 Sep - 10 Oct	Ryanair
28 Sep - 08 Oct	Ryanair
19 Sep - 26 Sep	Ryanair
26 Sep - 03 Oct	Ryanair
21 Sep - 28 Sep	Ryanair
28 Sep - 22 Oct	Ryanair
28 Sep - 01 Oct	Ryanair
28 Sep - 15 Oct	Ryanair
20 Sep - 07 Oct	Ryanair
04 Sep - 06 Oct	Aer Lingus
26 Sep - 29 Sep	Ryanair
14 Sep - 19 Sep	Ryanair
16 Sep - 30 Sep	Ryanair
06 Sep - 21 Sep	Ryanair
05 Sep - 22 Sep	IndiGo
24 Sep - 29 Sep	Ryanair
13 Sep - 17 Sep	Vueling Airlines
15 Sep - 29 Sep	Vueling Airlines

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

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 Dublin to Plaisance in September from $739

Return flights