Catch an early morning flight from Muscat International Airport to Indira Gandhi International Airport, New Delhi. Flights usually take around 3.5 to 4 hours.
Take a domestic flight to Kullu or an overnight Volvo bus from New Delhi to Manali. Flights take about 1 hour plus transfer time; bus is about 12-14 hours.
INR 1500-3000 for flight, INR 700-1200 for bus, 1h or 12h