Cheapest return flights from Bilbao to Porto in August from $96

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

Return flights

21 Aug - 24 Aug Vueling Airlines direct
10 Aug - 14 Aug Vueling Airlines direct
21 Aug - 30 Aug Vueling Airlines direct
10 Aug - 17 Aug Vueling Airlines direct
21 Aug - 06 Sep Vueling Airlines direct
10 Aug - 24 Aug Vueling Airlines direct
27 Aug - 30 Aug TAP
10 Aug - 30 Aug Vueling Airlines direct
14 Aug - 17 Aug Vueling Airlines direct
14 Aug - 24 Aug Vueling Airlines direct
10 Aug - 10 Aug Vueling Airlines
27 Aug - 06 Sep Vueling Airlines

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