AirHint found the following cheapest return flights from Memmingen (FMM) to Porto (OPO) in December 2025 (see full year).

Return flights

29 Dec - 13 Jan	Ryanair	direct
31 Dec - 20 Jan	Ryanair	direct
31 Dec - 13 Jan	Ryanair	direct
29 Dec - 18 Jan	Ryanair	direct
31 Dec - 18 Jan	Ryanair	direct
29 Dec - 16 Jan	Ryanair	direct
29 Dec - 31 Dec	Ryanair	direct
31 Dec - 07 Jan	Ryanair
31 Dec - 11 Jan	Ryanair
31 Dec - 16 Jan	Ryanair	direct
31 Dec - 08 Jan	Ryanair
29 Dec - 30 Dec	Ryanair	direct
30 Dec - 31 Dec	Ryanair	direct
27 Dec - 31 Dec	Ryanair	direct
27 Dec - 29 Dec	Ryanair	direct
28 Dec - 31 Dec	Ryanair	direct
27 Dec - 30 Dec	Ryanair	direct
24 Dec - 29 Dec	Ryanair
28 Dec - 29 Dec	Ryanair	direct
26 Dec - 28 Dec	Ryanair

Also check the deals for one-way flights from Memmingen to Porto 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 Memmingen to Porto in December from $169

Return flights