Cheapest return flights from Bilbao to Porto in May from 43€

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

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

Return flights

27 May - 05 Jun Vueling Airlines direct
11 May - 15 May Vueling Airlines direct
10 May - 15 May Vueling Airlines direct
20 May - 05 Jun Vueling Airlines direct
29 May - 05 Jun Vueling Airlines direct
29 May - 17 Jun Vueling Airlines direct
20 May - 24 May Vueling Airlines direct
11 May - 24 May Vueling Airlines direct
10 May - 24 May Vueling Airlines direct
25 May - 05 Jun Vueling Airlines direct
15 May - 24 May Vueling Airlines direct
27 May - 31 May Vueling Airlines direct
20 May - 31 May Vueling Airlines direct
20 May - 22 May Vueling Airlines direct
29 May - 31 May Vueling Airlines direct
15 May - 21 Jun Vueling Airlines direct
30 May - 05 Jun Vueling Airlines direct
30 May - 17 Jun Vueling Airlines direct
27 May - 03 Jun Vueling Airlines direct
27 May - 07 Jun Vueling Airlines direct

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