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

Return flights

30 Dec - 23 Jan	Austrian Airlines
29 Dec - 27 Jan	SWISS
30 Dec - 19 Jan	Austrian Airlines
29 Dec - 26 Jan	Austrian Airlines
30 Dec - 17 Jan	Austrian Airlines
31 Dec - 29 Jan	Condor	direct
31 Dec - 26 Jan	Condor	direct
30 Dec - 31 Jan	Austrian Airlines
29 Dec - 11 Jan	SWISS
23 Dec - 27 Dec	Lufthansa
30 Dec - 12 Jan	Austrian Airlines
23 Dec - 29 Dec	Lufthansa
23 Dec - 31 Dec	Lufthansa
22 Dec - 31 Dec	SWISS
26 Dec - 28 Dec	Lufthansa
26 Dec - 31 Dec	Lufthansa
20 Dec - 27 Dec	SWISS
23 Dec - 27 Dec	Condor	direct
23 Dec - 29 Dec	Condor	direct
24 Dec - 28 Dec	Lufthansa

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Plaisance in December from 611€

Return flights