Cheapest return flights from Bilbao to Porto in August from $66

Best time to book flights for Bilbao (BIO) to Porto (OPO) flights at AirHint

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

Return flights

24 Aug - 09 Sep Vueling Airlines direct
31 Aug - 20 Sep Vueling Airlines direct
31 Aug - 09 Sep Vueling Airlines direct
29 Aug - 09 Sep Vueling Airlines direct
24 Aug - 11 Sep Vueling Airlines direct
31 Aug - 18 Sep Vueling Airlines direct
29 Aug - 18 Sep Vueling Airlines direct
31 Aug - 16 Sep Vueling Airlines direct
29 Aug - 16 Sep Vueling Airlines direct
22 Aug - 09 Sep Vueling Airlines direct
10 Aug - 12 Aug Vueling Airlines direct
10 Aug - 19 Aug Vueling Airlines direct
17 Aug - 19 Aug Vueling Airlines direct
10 Aug - 15 Aug Vueling Airlines direct
10 Aug - 29 Aug Vueling Airlines direct
19 Aug - 29 Aug Vueling Airlines direct
08 Aug - 12 Aug Vueling Airlines direct
10 Aug - 17 Aug Vueling Airlines direct
10 Aug - 26 Aug Vueling Airlines direct
15 Aug - 19 Aug Vueling Airlines direct

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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