Cheapest return flights from Bilbao to Porto in May from 37€

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

Return flights

27 May - 11 Jun Vueling Airlines direct
28 May - 17 Jun Volotea direct
28 May - 11 Jun Volotea direct
27 May - 28 May Vueling Airlines direct
26 May - 28 May Vueling Airlines direct
27 May - 17 Jun Vueling Airlines direct
26 May - 11 Jun Vueling Airlines direct
27 May - 02 Jun Vueling Airlines direct
28 May - 02 Jun Volotea direct
14 May - 21 May Volotea direct
14 May - 28 May Volotea direct
21 May - 28 May Volotea direct
07 May - 21 May Volotea direct
14 May - 17 Jun Volotea direct
28 May - 04 Jun Volotea direct
26 May - 02 Jun Vueling Airlines direct
09 May - 21 May Vueling Airlines direct
09 May - 28 May Vueling Airlines direct
26 May - 27 May Vueling Airlines direct
07 May - 14 May Volotea direct

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

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