Cheapest return flights from Bilbao to Porto in May from $54

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

Return flights

19 May - 28 May Vueling Airlines direct
24 May - 28 May Vueling Airlines direct
14 May - 28 May Vueling Airlines direct
31 May - 16 Jun Vueling Airlines direct
28 May - 16 Jun Vueling Airlines direct
07 May - 14 May Vueling Airlines direct
31 May - 05 Jun Vueling Airlines direct
19 May - 05 Jun Vueling Airlines direct
28 May - 05 Jun Vueling Airlines direct
24 May - 05 Jun Vueling Airlines direct
17 May - 28 May Vueling Airlines direct
17 May - 05 Jun Vueling Airlines direct
08 May - 28 May Vueling Airlines direct
08 May - 14 May Vueling Airlines direct
01 May - 07 May Vueling Airlines direct
01 May - 14 May Vueling Airlines direct
07 May - 10 May Vueling Airlines direct
22 May - 05 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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