For the cheapest flights to Barcelona book 35 days before departure.
The most popular airlines on the route Brussels - Barcelona: Ryanair (FR), Vueling (VY), Iberia (IB).
The cheapest flights are on the route Charleroi (CRL) - Reus (REU).
Direct flights last about 1h 53min.
Direct flights are available 7 days a week.
Direct flights: Ryanair (FR), Iberia (IB), Brussels Airlines (SN).