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

One-Way flights

24 Jan	Vueling Airlines	direct
13 Jan	Vueling Airlines	direct
10 Jan	Vueling Airlines	direct
17 Jan	Vueling Airlines	direct
06 Jan	Vueling Airlines	direct
09 Jan	Vueling Airlines
16 Jan	Vueling Airlines
12 Jan	Vueling Airlines
07 Jan	Air Europa
08 Jan	Vueling Airlines	direct

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

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 January from 23€

One-Way flights