By airplane
Turin has its own international airport, situated in Caselle. The airport is connected to the town by both train and bus services (the train for the moment reaches a secondary station, Torino Dora). Milan is not so far, and it is possible to fly to Milan and then reach Turin by train or by bus.
By train
Turin has two major railway stations, Porta Nuova and Porta Susa, both located in the city center. The city is well connected by both domestic and international train services. For schedules and timetables, you can visit the Italian Railways website (Trenitalia).