Cheapest return flights from Porto to Bilbao in October from $52

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

02 Oct - 23 Oct Vueling Airlines direct
03 Oct - 23 Oct Vueling Airlines direct
09 Oct - 23 Oct Vueling Airlines direct
09 Oct - 28 Oct Vueling Airlines direct
02 Oct - 07 Oct Vueling Airlines direct
09 Oct - 30 Oct Vueling Airlines direct
18 Oct - 23 Oct Vueling Airlines direct
07 Oct - 23 Oct Vueling Airlines direct
04 Oct - 23 Oct Vueling Airlines direct
03 Oct - 07 Oct Vueling Airlines direct
30 Oct - 08 Nov Volotea direct
30 Oct - 20 Nov Volotea direct
30 Oct - 13 Nov Volotea direct
18 Oct - 01 Nov Vueling Airlines direct
14 Oct - 01 Nov Vueling Airlines direct
25 Oct - 08 Nov Vueling Airlines direct
25 Oct - 13 Nov Vueling Airlines direct
30 Oct - 01 Nov Volotea direct
25 Oct - 01 Nov Vueling Airlines direct
17 Oct - 01 Nov Vueling Airlines direct

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