From the Airport by Bus:

Take  either X1 or  X3 from outside the Malta International Airport's Arrivals lounge.

 

From the Airport by Car:

Follow signs to Valletta, pass through Msida and follow the road Number 1 towards Gozo, until you are on the Salina Coast Road that goes past Baħar Iċ-Ċagħaq, Madliena and Salina. Keep driving until you see the signs for Qawra or Bugibba.