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

Return flights

10 Dec - 13 Dec	Ryanair
17 Dec - 05 Jan	Ryanair
18 Dec - 05 Jan	Ryanair
03 Dec - 06 Dec	Ryanair
11 Dec - 17 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
18 Dec - 04 Jan	Ryanair
23 Dec - 04 Jan	Ryanair
04 Dec - 10 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
04 Dec - 08 Dec	Ryanair
30 Dec - 02 Jan	Ryanair
30 Dec - 04 Jan	Ryanair
04 Dec - 07 Dec	Ryanair
21 Dec - 28 Dec	Vueling Airlines
23 Dec - 28 Dec	Ryanair
27 Dec - 01 Jan	easyJet
26 Dec - 04 Jan	Vueling Airlines
27 Dec - 03 Jan	easyJet

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 $181

Return flights