Cheapest return flights from Bilbao to Porto in October from $46

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

21 Oct - 23 Oct Vueling Airlines direct
07 Oct - 23 Oct Vueling Airlines direct
21 Oct - 24 Oct Vueling Airlines direct
09 Oct - 23 Oct Vueling Airlines direct
07 Oct - 24 Oct Vueling Airlines direct
21 Oct - 30 Oct Vueling Airlines direct
04 Oct - 23 Oct Vueling Airlines direct
02 Oct - 03 Oct Volotea direct
25 Oct - 30 Oct Vueling Airlines direct
07 Oct - 09 Oct Vueling Airlines direct
21 Oct - 02 Nov Vueling Airlines direct
21 Oct - 03 Nov Vueling Airlines
25 Oct - 02 Nov Vueling Airlines direct
31 Oct - 02 Nov Air Europa
29 Oct - 03 Nov Air Europa
16 Oct - 03 Nov Vueling Airlines
16 Oct - 02 Nov Vueling Airlines direct
18 Oct - 03 Nov Vueling Airlines
19 Oct - 03 Nov Vueling Airlines
24 Oct - 02 Nov 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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