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

Return flights

03 Dec - 10 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
01 Dec - 10 Dec	Ryanair
04 Dec - 10 Dec	Ryanair
03 Dec - 08 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
31 Dec - 03 Jan	Ryanair
31 Dec - 04 Jan	Vueling Airlines
22 Dec - 31 Dec	Vueling Airlines
19 Dec - 04 Jan	Ryanair
26 Dec - 04 Jan	Vueling Airlines
19 Dec - 23 Dec	Ryanair
30 Dec - 04 Jan	Vueling Airlines
20 Dec - 28 Dec	Ryanair
22 Dec - 27 Dec	Vueling Airlines
26 Dec - 02 Jan	Vueling Airlines

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 147€

Return flights