There are nearly 30-40 direct buses plying between New Delhi to Manali. These buses are Private Volvo Bus Service. The minimum time a bus takes to reach Manali from New Delhi is 12h 30m. The cheapest way to reach Manali from New Delhi takes you 14h 08m, which is to take train with train number 04070 from New Delhi to Ambala Cantt then take State Transport Bus from Ambala Cantt to Manali. The fastest way to reach Manali from New Delhi takes you 4h, which is to take flight from New Delhi to Kullu ( Bhuntar ) then take cab from Kullu ( Bhuntar ) to Manali.