Cheapest one-way flights from Porto to Bilbao in August from $29

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

One-Way flights

05 Aug Vueling Airlines direct
04 Aug Vueling Airlines direct
23 Aug Vueling Airlines direct
21 Aug Vueling Airlines direct
20 Aug Air Europa
13 Aug Iberia

Also check the deals for return flights from Porto to Bilbao in August.

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