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

Return flights

17 Dec - 05 Jan	Ryanair
18 Dec - 05 Jan	Ryanair
10 Dec - 17 Dec	Ryanair
31 Dec - 04 Jan	Ryanair
18 Dec - 04 Jan	Ryanair
22 Dec - 24 Dec	Vueling Airlines
17 Dec - 21 Dec	Ryanair
30 Dec - 31 Dec	Ryanair
29 Dec - 05 Jan	Ryanair
23 Dec - 26 Dec	Ryanair
20 Dec - 23 Dec	Ryanair
28 Dec - 31 Dec	Ryanair
30 Dec - 04 Jan	Ryanair
19 Dec - 29 Dec	KLM

Also check the deals for one-way flights from Porto to Vilnius 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 Porto to Vilnius in December from 157€

Return flights