Cheapest one-way flights from Bilbao to Porto in September from 21€

AirHint found the following cheapest one-way flights from Bilbao (BIO) to Porto (OPO) in September 2025 (see full year).

One-Way flights

07 Sep Vueling Airlines direct
27 Sep Vueling Airlines direct
25 Sep Volotea direct
21 Sep Volotea direct
13 Sep Vueling Airlines direct
30 Sep Volotea
26 Sep Vueling Airlines direct
03 Sep Iberia
24 Sep Iberia
30 Sep Vueling Airlines direct

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

Skyscanner

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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