Cheap flights Porto → Bilbao

Direct return flights for 1–7 days. Compare dates and book on Aviasales — prices change fast.

Cheapest dates

Prices as of 27.10.2026. Fresh prices load automatically. Round-trip fare for 1 adult without checked baggage; subject to change.

Dates	Days	Airline	Price
10.11 — 14.11	4	Vueling	€38	Book from €38 →
19.12 — 22.12	3	Vueling	€66	Book from €66 →