Air
Domestic airlines link major cities (Trivandrum, Cochin & Calicut).
Kerala is air-linked nationally & internationally

Road
Connections from all important cities in India.  Car hire usually with a driver is often cheaper than self-drive car hire as in Europe.

Rail
Trains offer a unique experience; connections from all important cities in India.

Local Transport
Auto-rickshaws are the cheapest convenient way of getting about in most cities.