Cheapest return flights from Porto to Bilbao in October from 43€

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

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

Return flights

09 Oct - 23 Oct Vueling Airlines direct
09 Oct - 21 Oct Vueling Airlines direct
02 Oct - 23 Oct Vueling Airlines direct
02 Oct - 21 Oct Vueling Airlines direct
16 Oct - 23 Oct Vueling Airlines direct
16 Oct - 21 Oct Vueling Airlines direct
09 Oct - 16 Oct Vueling Airlines direct
09 Oct - 11 Oct Vueling Airlines direct
02 Oct - 16 Oct Vueling Airlines direct
02 Oct - 11 Oct Vueling Airlines direct

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

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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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