Cheapest return flights from Porto to Bilbao in August from 134€

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

Return flights

26 Aug - 09 Sep Vueling Airlines direct
26 Aug - 07 Sep Vueling Airlines direct
26 Aug - 28 Aug Air Europa
26 Aug - 29 Aug Air Europa
29 Aug - 05 Sep Air Europa
26 Aug - 29 Aug Vueling Airlines direct
26 Aug - 13 Sep Vueling Airlines direct
26 Aug - 02 Sep Vueling Airlines direct
26 Aug - 31 Aug Air Europa
29 Aug - 09 Sep Vueling Airlines
31 Aug - 09 Sep Vueling Airlines direct
29 Aug - 07 Sep Vueling Airlines
31 Aug - 07 Sep Vueling Airlines direct
26 Aug - 16 Sep Vueling Airlines direct
29 Aug - 31 Aug Air Europa
19 Aug - 24 Aug Vueling Airlines direct
21 Aug - 26 Aug TAP
19 Aug - 26 Aug Vueling Airlines direct
27 Aug - 31 Aug Air Europa
12 Aug - 26 Aug 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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