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

Return flights

04 Dec - 21 Dec	SWISS
30 Dec - 17 Jan	SWISS
04 Dec - 14 Dec	SWISS
31 Dec - 18 Jan	KLM
11 Dec - 22 Dec	Aer Lingus
30 Dec - 16 Jan	SWISS
29 Dec - 16 Jan	SWISS
29 Dec - 29 Jan	SWISS
04 Dec - 11 Dec	Aer Lingus
22 Dec - 23 Jan	SWISS
09 Dec - 20 Dec	SWISS
29 Dec - 12 Jan	SWISS
01 Dec - 15 Dec	Aer Lingus
13 Dec - 16 Jan	Aer Lingus
26 Dec - 18 Jan	Aer Lingus
05 Dec - 14 Dec	Air France
01 Dec - 18 Jan	SWISS
17 Dec - 24 Dec	Air France

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

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 December from 659€

Return flights