Trains run regularly from Rome and Pescara to Sulmona and there is also a small branch line that takes you to Bugnara itself (but not as frequent as the main line). Click here for Italian Train Site
There are also buses from Pescara central station (also where you catch the train) to Sulmona. There is then a regular bus service from Sulmona railway station or town to Bugnara. Click here for Bus Website
Car hire: you can either pick up a car from your arrival airport, which is what we strongly recommend if you intending to hire a car, or there is a small car hire agency in Sulmona.
Flying - Pescara airport is the nearest being only a 50 minute drive away Rome airports are either at Ciampino which is 1.5 hour by car, or Fiumincino which is about 2 hours drive away, again by car.