Cheapest one-way flights from Porto to Bilbao in May from 24€

Best time to book flights for Porto (OPO) to Bilbao (BIO) flights at AirHint

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

One-Way flights

22 May Volotea direct
29 May Volotea direct
15 May Volotea direct
06 May Vueling Airlines direct
17 May Vueling Airlines direct
09 May Vueling Airlines direct
30 May Vueling Airlines direct
23 May Vueling Airlines direct
10 May Vueling Airlines direct
13 May Vueling Airlines direct

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

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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