Tirupati is a major pilgrimage site in Andhra Pradesh. To reach it from Dehradun, you can fly via Chennai or Hyderabad. The total distance is approximately 2200 km. It is famous for the Tirumala Venkateswara Temple.
Total Distance: 2200 km by road, 1800 km air distance.
Tirupati airport is well-connected.
September to March for pleasant weather.