Cheapest return flights from Porto to Bilbao in May from 36€

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

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

Return flights

15 May - 03 Jun Vueling Airlines direct
08 May - 13 May Volotea direct
15 May - 05 Jun Volotea direct
15 May - 25 May Volotea direct
08 May - 25 May Volotea direct
15 May - 01 Jun Volotea direct
22 May - 03 Jun Vueling Airlines direct
22 May - 12 Jun Vueling Airlines direct
22 May - 05 Jun Vueling Airlines direct
17 May - 03 Jun Vueling Airlines direct
17 May - 05 Jun Vueling Airlines direct
22 May - 25 May Vueling Airlines direct
06 May - 15 May Vueling Airlines direct
06 May - 13 May Vueling Airlines direct
17 May - 25 May Vueling Airlines direct
22 May - 01 Jun Vueling Airlines direct
22 May - 08 Jun Vueling Airlines direct
06 May - 25 May Vueling Airlines direct
15 May - 22 May Volotea direct
15 May - 29 May Volotea direct

Also check the deals for one-way flights from Porto to Bilbao in May.

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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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