Cheapest one-way flights from Porto to Bilbao in September from 32€

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

One-Way flights

25 Sep Volotea direct
27 Sep Vueling Airlines direct
30 Sep Vueling Airlines direct
24 Sep Air Europa
21 Sep Volotea direct
29 Sep Air Europa
19 Sep Ryanair
28 Sep Air Europa
26 Sep Vueling Airlines direct
28 Sep Volotea direct

Also check the deals for return flights from Porto to Bilbao 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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