Cheapest return flights from Porto to Bilbao in August from 91€

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

Return flights

22 Aug - 07 Sep Vueling Airlines direct
05 Aug - 10 Aug TAP
05 Aug - 26 Aug Vueling Airlines direct
26 Aug - 07 Sep Vueling Airlines
19 Aug - 26 Aug TAP
22 Aug - 04 Sep Vueling Airlines direct
22 Aug - 26 Aug Vueling Airlines direct
30 Aug - 07 Sep Vueling Airlines
26 Aug - 14 Sep Vueling Airlines
12 Aug - 17 Aug TAP
30 Aug - 14 Sep Vueling Airlines
22 Aug - 09 Sep Vueling Airlines direct
12 Aug - 24 Aug TAP
21 Aug - 26 Aug Air Europa
05 Aug - 12 Aug Vueling Airlines direct
22 Aug - 02 Sep Vueling Airlines direct
27 Aug - 07 Sep Vueling Airlines
22 Aug - 31 Aug Vueling Airlines direct
05 Aug - 10 Aug Vueling Airlines direct
22 Aug - 11 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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