For the cheapest flights to Brussels book 21 days before departure.
The most popular airlines on the route Barcelona - Brussels: Ryanair (FR), Vueling (VY), Iberia (IB).
The cheapest flights are on the route El Prat (BCN) - Brussels Intl Airport (BRU).
Direct flights last about 2h 4min.
Direct flights are available 7 days a week.
Direct flights: Ryanair (FR), Brussels Airlines (SN), Iberia (IB).