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

One-Way flights

16 Apr	Vueling Airlines	direct
03 Apr	Vueling Airlines	direct
17 Apr	Vueling Airlines	direct
02 Apr	Vueling Airlines	direct
24 Apr	Air Europa
12 Apr	Vueling Airlines	direct
10 Apr	Vueling Airlines	direct
24 Apr	Vueling Airlines	direct
26 Apr	Vueling Airlines	direct
19 Apr	Vueling Airlines	direct

Also check the deals for return flights from Porto to Bilbao 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 Porto to Bilbao in April from 28€

One-Way flights