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

Return flights

01 Dec - 10 Dec	SWISS
04 Dec - 21 Dec	SWISS
29 Dec - 31 Jan	SWISS
29 Dec - 20 Jan	SWISS
29 Dec - 17 Jan	SWISS
30 Dec - 20 Jan	SWISS
27 Dec - 17 Jan	SWISS
09 Dec - 16 Jan	Aer Lingus
29 Dec - 16 Jan	SWISS
30 Dec - 16 Jan	SWISS
09 Dec - 20 Dec	SWISS
16 Dec - 20 Jan	SWISS
27 Dec - 21 Jan	SWISS
04 Dec - 11 Dec	Aer Lingus
11 Dec - 22 Dec	SWISS
12 Dec - 23 Dec	Ryanair
24 Dec - 31 Dec	SWISS
12 Dec - 22 Dec	Ryanair
05 Dec - 20 Dec	Lufthansa
13 Dec - 22 Dec	SWISS

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 $708

Return flights