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

Return flights

19 Feb - 07 Mar	Vueling Airlines	direct
17 Feb - 07 Mar	Vueling Airlines	direct
19 Feb - 08 Mar	Vueling Airlines	direct
16 Feb - 07 Mar	Vueling Airlines
18 Feb - 07 Mar	Vueling Airlines
17 Feb - 08 Mar	Vueling Airlines	direct
16 Feb - 08 Mar	Vueling Airlines
18 Feb - 08 Mar	Vueling Airlines

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

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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Cheapest return flights from Bilbao to Porto in February from $55

Return flights