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

One-Way flights

09 Apr	Vueling Airlines	direct
07 Apr	Vueling Airlines	direct
16 Apr	Vueling Airlines	direct
02 Apr	Air Europa
01 Apr	Air Europa
29 Apr	Vueling Airlines
27 Apr	Vueling Airlines
20 Apr	Vueling Airlines
03 Apr	Vueling Airlines	direct
02 Apr	Vueling Airlines	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 35€

One-Way flights