Cheapest one-way flights from Bilbao to Porto in December from $21

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

One-Way flights

09 Dec Vueling Airlines direct
13 Dec Vueling Airlines direct
16 Dec Vueling Airlines direct
11 Dec Volotea direct
18 Dec Vueling Airlines direct
07 Dec Volotea direct
02 Dec Vueling Airlines direct
04 Dec Volotea direct
23 Dec Vueling Airlines direct
06 Dec Vueling Airlines direct

Also check the deals for return flights from Bilbao to Porto 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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