Thessaly is a region in Greece.
There is a bus connecting airport and Volos bus station. Buses are waiting to pick up travelers after a plane lands, the cost form the airport to Volos Bus station is €5. Travellers of charter flights are transferred to their accommodation by their travelling agency. From Volos there are bus and train connections to other towns in Thessaly
Interurban coaches ("KTEL" buses) are by far the most convenient way to travel around Greece, and for intra-regional travelling.
From Athens most of buses to Thessaly leave from Terminal B, at Liossion Street.
Trains (OSE) connects Volos, Larissa and Kalampaka with the rest of Greece. Travelling with ordinary trains can be cheaper, although a little bit slower, whereas choosing a fancy faster Intercity train will cost the same amount of money, or even more than a KTEL bus.