Cheapest return flights from Bilbao to Porto in December from 32€

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

Return flights

13 Dec - 16 Dec Vueling Airlines direct
09 Dec - 11 Dec Vueling Airlines direct
16 Dec - 18 Dec Vueling Airlines direct
13 Dec - 18 Dec Vueling Airlines direct
16 Dec - 20 Dec Vueling Airlines direct
18 Dec - 20 Dec Vueling Airlines direct
13 Dec - 20 Dec Vueling Airlines direct
04 Dec - 16 Dec Vueling Airlines direct
04 Dec - 11 Dec Vueling Airlines direct
02 Dec - 16 Dec Vueling Airlines direct
25 Dec - 13 Jan Vueling Airlines direct
25 Dec - 10 Jan Vueling Airlines direct
18 Dec - 06 Jan Vueling Airlines direct
28 Dec - 13 Jan Volotea direct
31 Dec - 20 Jan Vueling Airlines
31 Dec - 13 Jan Vueling Airlines
25 Dec - 08 Jan Vueling Airlines direct
27 Dec - 13 Jan Vueling Airlines direct
16 Dec - 04 Jan Vueling Airlines direct
16 Dec - 01 Jan Vueling Airlines direct

Also check the deals for one-way flights from Bilbao to Porto in December.

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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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