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

Return flights

02 Dec - 12 Dec	Ryanair
31 Dec - 20 Jan	SWISS
30 Dec - 26 Jan	Ryanair
30 Dec - 27 Jan	Ryanair
30 Dec - 30 Jan	Ryanair
02 Dec - 05 Dec	Ryanair
04 Dec - 14 Dec	Ryanair
06 Dec - 20 Jan	Ryanair
03 Dec - 10 Dec	Lufthansa
06 Dec - 17 Jan	Ryanair
06 Dec - 19 Jan	Ryanair
09 Dec - 18 Jan	Aer Lingus
02 Dec - 14 Dec	Air France
04 Dec - 13 Dec	Ryanair
11 Dec - 20 Jan	Lufthansa
30 Dec - 20 Jan	Ryanair
01 Dec - 14 Dec	Air France
11 Dec - 14 Dec	KLM
01 Dec - 15 Dec	Ryanair
04 Dec - 21 Dec	Ryanair

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 $798

Return flights