Cheapest one-way flights from Porto to Bilbao in December from 22€

Best time to book flights for Porto (OPO) to Bilbao (BIO) flights at AirHint

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

One-Way flights

30 Dec Vueling Airlines direct
20 Dec Vueling Airlines direct
13 Dec Vueling Airlines direct
06 Dec Vueling Airlines direct
09 Dec Vueling Airlines direct
14 Dec Vueling Airlines
07 Dec Vueling Airlines
21 Dec Vueling Airlines
14 Dec Volotea direct
29 Dec Vueling Airlines

Also check the deals for return flights from Porto to Bilbao in December.

Skyscanner

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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