Cheapest one-way flights from Porto to Bilbao in December from $16

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

One-Way flights

25 Dec Vueling Airlines direct
18 Dec Vueling Airlines direct
11 Dec Volotea direct
13 Dec Vueling Airlines direct
16 Dec Vueling Airlines direct
07 Dec Volotea direct
04 Dec Volotea direct
24 Dec Vueling Airlines
10 Dec Air Europa
17 Dec Air Europa

Also check the deals for return flights from Porto to Bilbao 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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