To reach the Ciociaria by airplane you can take advantage of 3 airports:
Rome - Fiumicino and Ciampino airports
Naples - Capodichino airport

All are served by main international airlines.

Useful information:

Roma Fiumicino Airport:
Roma Ciampino Airport :
Napoli Capodichino Airport
Alitalia: Call Center 892010 -
Meridiana: Call Center 892928 -
Easy Jet: