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

Return flights

28 Sep - 19 Oct	Aer Lingus
20 Sep - 12 Oct	Ryanair
27 Sep - 12 Oct	Ryanair
26 Sep - 10 Oct	Ryanair
28 Sep - 20 Oct	Aer Lingus
28 Sep - 09 Oct	Aer Lingus
19 Sep - 12 Oct	Ryanair
19 Sep - 10 Oct	Ryanair
26 Sep - 16 Oct	Ryanair
20 Sep - 28 Sep	Ryanair
29 Sep - 10 Oct	Ryanair
19 Sep - 26 Sep	Ryanair
19 Sep - 28 Sep	Ryanair
20 Sep - 24 Sep	Ryanair
21 Sep - 28 Sep	Ryanair
27 Sep - 30 Sep	Ryanair
26 Sep - 30 Sep	Ryanair
16 Sep - 17 Sep	British Airways
22 Sep - 29 Sep	Ryanair
22 Sep - 26 Sep	British Airways

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 580€

Return flights