The cheapest flight to Prague you can get by boooking 14 days before departure.
The most popular airlines on the route Barcelona - Prague: Vueling (VY), Czech Airlines (OK), Smart Wings (QS).
The cheapest flights you can book on the route El Prat (BCN) - Ruzyne (PRG).
Direct flights last about 2h 20min.
Direct flights available 7 days a week.
Direct flights: Vueling (VY), Czech Airlines (OK), Iberia (IB).