Cheapest return flights from Bilbao to Porto in May from 45€

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

Return flights

28 May - 02 Jun Vueling Airlines direct
24 May - 02 Jun Vueling Airlines direct
21 May - 02 Jun Vueling Airlines direct
28 May - 05 Jun Vueling Airlines direct
24 May - 05 Jun Vueling Airlines direct
21 May - 05 Jun Vueling Airlines direct
07 May - 08 May Vueling Airlines direct
07 May - 19 May Vueling Airlines direct
03 May - 08 May Vueling Airlines direct
03 May - 19 May Vueling Airlines direct
21 May - 22 May Vueling Airlines direct
12 May - 02 Jun Air Europa
10 May - 19 May Vueling Airlines direct
07 May - 22 May Vueling Airlines direct
03 May - 22 May Vueling Airlines direct
28 May - 04 Jun Vueling Airlines direct
24 May - 04 Jun Vueling Airlines direct
21 May - 04 Jun Vueling Airlines direct
10 May - 22 May Vueling Airlines direct
28 May - 29 May Vueling Airlines direct

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

Skyscanner

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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