Cheapest return flights from Bilbao to Porto in October from $40

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

Return flights

23 Oct - 30 Oct Vueling Airlines direct
30 Oct - 13 Nov Vueling Airlines direct
25 Oct - 30 Oct Vueling Airlines direct
14 Oct - 16 Oct Vueling Airlines direct
14 Oct - 30 Oct Vueling Airlines direct
16 Oct - 30 Oct Vueling Airlines direct
25 Oct - 13 Nov Vueling Airlines direct
12 Oct - 16 Oct Volotea direct
12 Oct - 30 Oct Volotea direct
09 Oct - 16 Oct Volotea direct
02 Oct - 16 Oct Volotea direct
02 Oct - 09 Oct Volotea direct
23 Oct - 13 Nov Volotea direct
28 Oct - 13 Nov Vueling Airlines direct
30 Oct - 06 Nov Vueling Airlines direct
26 Oct - 13 Nov Volotea direct
30 Oct - 08 Nov Vueling Airlines direct
30 Oct - 15 Nov Vueling Airlines direct
23 Oct - 08 Nov Vueling Airlines direct
25 Oct - 06 Nov Vueling Airlines direct

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

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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