The cheapest flight to Milan you can get by boooking 9 days before departure.
The most popular airlines on the route Barcelona - Milan: Ryanair (FR), Alitalia (AZ), Iberia (IB).
The cheapest flights you can book on the route El Prat (BCN) - Linate (LIN).
Direct flights last about 1h 30min.
Direct flights available 7 days a week.
Direct flights: Ryanair (FR), Iberia (IB), Vueling (VY).