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

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

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

Return flights

02 Oct - 16 Oct Vueling Airlines direct
02 Oct - 10 Oct Vueling Airlines direct
21 Oct - 23 Oct Vueling Airlines direct
11 Oct - 16 Oct Vueling Airlines direct
11 Oct - 23 Oct Vueling Airlines direct
02 Oct - 07 Oct Vueling Airlines direct
18 Oct - 23 Oct Vueling Airlines direct
02 Oct - 03 Oct Vueling Airlines direct
02 Oct - 04 Oct Vueling Airlines direct
21 Oct - 24 Oct Vueling Airlines direct

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