For the cheapest flights to Barcelona book 19 days before departure.
The most popular airlines on the route Porto - Barcelona: Ryanair (FR), TAP Air Portugal (TP), Iberia (IB).
The cheapest flights are on the route Francisco de Sa Carneiro (OPO) - El Prat (BCN).
Direct flights last about 1h 40min.
Direct flights are available 7 days a week.
Direct flights: Ryanair (FR), Iberia (IB), Vueling (VY).