Cheapest return flights from Porto to Bilbao in August from $67

AirHint found the following cheapest return flights from Porto (OPO) to Bilbao (BIO) in August 2026 (see full year).

Return flights

04 Aug - 21 Aug Vueling Airlines direct
05 Aug - 21 Aug Vueling Airlines direct
14 Aug - 21 Aug Vueling Airlines direct
14 Aug - 29 Aug Vueling Airlines direct
04 Aug - 07 Aug Vueling Airlines direct
05 Aug - 07 Aug Vueling Airlines direct
23 Aug - 29 Aug Vueling Airlines direct
14 Aug - 30 Aug Vueling Airlines direct
14 Aug - 04 Sep Vueling Airlines direct
23 Aug - 30 Aug Vueling Airlines direct
23 Aug - 04 Sep Vueling Airlines direct
04 Aug - 13 Aug Vueling Airlines

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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