We are very sorry to tell you that there are only a very reduced number of flights to Granada at this moment (winter 2014).
To follow what is happening actually, the best is to check the page of AENA.
More articles about airlines, prices, comparisons and flights on this blog:
More flights to Malaga this winter!
Cheap flights to Almeria
Tips cheap tickets
Low costs flights from Belgium and Holland to Andalusia
Cheap flights with Air France from Toulouse and Nice to Malaga