The nearest airport is Jolly Grant in Dehradun (approximately 150 km away). One can avail a cab to reach Kaflon from the airport. There are regular flights to Jolly Grant from New Delhi, which is connected to all major destinations in India.
The nearest railheads to Kaflon are in Dehradun and Rishikesh. One can book a cab from these railway stations to reach Kaflon.
One can reach Kaflon from Uttarkashi, Dehradun and Rishikesh, all of which are connected by motorable roads to several destinations in the state.