AirHint found the following cheapest one-way flights from Bilbao (BIO) to Porto (OPO) in April 2026 (see full year).

One-Way flights

28 Apr	Vueling Airlines	direct
17 Apr	Vueling Airlines	direct
07 Apr	Vueling Airlines	direct
14 Apr	Vueling Airlines	direct
19 Apr	Vueling Airlines	direct
27 Apr	Air Europa
20 Apr	Vueling Airlines
03 Apr	Vueling Airlines	direct
02 Apr	Vueling Airlines	direct
30 Apr	Volotea	direct

Also check the deals for return flights from Bilbao to Porto in April.

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 one-way flights from Bilbao to Porto in April from 23€

One-Way flights