Cheapest one-way flights from Porto to Bilbao in September from $36

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

One-Way flights

13 Sep Vueling Airlines direct
05 Sep Vueling Airlines direct
06 Sep Vueling Airlines direct
14 Sep Vueling Airlines

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

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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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