Cheapest return flights from Porto to Bilbao in August from 58€

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 August 2025 (see full year).

Return flights

05 Aug - 22 Aug Vueling Airlines direct
01 Aug - 22 Aug Vueling Airlines direct
05 Aug - 24 Aug Vueling Airlines direct
05 Aug - 19 Aug Vueling Airlines direct
01 Aug - 19 Aug Vueling Airlines direct
08 Aug - 29 Aug Vueling Airlines direct
08 Aug - 22 Aug Vueling Airlines direct
01 Aug - 05 Aug TAP
08 Aug - 24 Aug Vueling Airlines direct
03 Aug - 22 Aug Vueling Airlines direct
26 Aug - 09 Sep Vueling Airlines direct
26 Aug - 16 Sep Vueling Airlines direct
19 Aug - 09 Sep Vueling Airlines direct
26 Aug - 02 Sep Vueling Airlines direct
15 Aug - 02 Sep Vueling Airlines direct
26 Aug - 07 Sep Vueling Airlines direct
26 Aug - 14 Sep Vueling Airlines direct
26 Aug - 11 Sep Vueling Airlines direct
31 Aug - 09 Sep Vueling Airlines direct
22 Aug - 09 Sep Vueling Airlines direct

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

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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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