Cheapest return flights from Porto to Bilbao in August from $80

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

Return flights

04 Aug - 23 Aug Vueling Airlines direct
04 Aug - 25 Aug Vueling Airlines direct
04 Aug - 19 Aug Vueling Airlines direct
04 Aug - 21 Aug Vueling Airlines direct
05 Aug - 23 Aug Vueling Airlines direct
05 Aug - 26 Aug Vueling Airlines direct
05 Aug - 25 Aug Vueling Airlines direct
05 Aug - 19 Aug Vueling Airlines direct
05 Aug - 21 Aug Vueling Airlines direct
12 Aug - 31 Aug Vueling Airlines direct
17 Aug - 07 Sep Vueling Airlines direct
19 Aug - 07 Sep Vueling Airlines direct
29 Aug - 13 Sep Vueling Airlines direct
19 Aug - 08 Sep Vueling Airlines direct
19 Aug - 09 Sep Vueling Airlines direct
29 Aug - 10 Sep Vueling Airlines direct
21 Aug - 10 Sep Vueling Airlines direct
26 Aug - 13 Sep Vueling Airlines direct
30 Aug - 13 Sep Vueling Airlines direct
31 Aug - 13 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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