Cheapest return flights from Bilbao to Porto in May from 30€

AirHint found the following cheapest return flights from Bilbao (BIO) to Porto (OPO) in May 2026 (see full year).

Return flights

06 May - 12 May Vueling Airlines direct
06 May - 07 May Vueling Airlines direct
05 May - 12 May Vueling Airlines direct
05 May - 06 May Vueling Airlines direct
05 May - 07 May Vueling Airlines direct
06 May - 20 May Vueling Airlines direct
05 May - 20 May Vueling Airlines direct
06 May - 14 May Vueling Airlines direct
13 May - 20 May Vueling Airlines direct
28 May - 11 Jun Vueling Airlines direct
13 May - 14 May Vueling Airlines direct
27 May - 11 Jun Vueling Airlines direct
26 May - 11 Jun Vueling Airlines direct
13 May - 02 Jun Vueling Airlines direct
21 May - 03 Jun Vueling Airlines direct
21 May - 02 Jun Vueling Airlines direct
28 May - 02 Jun Vueling Airlines direct
28 May - 17 Jun Vueling Airlines direct
28 May - 03 Jun Vueling Airlines direct
31 May - 11 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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