You can take a flight from Pune to Delhi which will take around 2 hour 30 minutes. The tickets will cost you somewhere between RS.2800-4000. Once you reach Delhi you can take a bus to Manali which will take around 15 hours to reach Manali. The bus tickets would be somewhere around Rs.750-1800. You can also take a train from Pune to Delhi which will take around 24 hours to reach Delhi. The cost of the train tickets would be between Rs.200-2400. You can even take a flight from Pune to Chandigarh which will take about 3-5 hours to reach Chandigarh. The flight tickets will cost you somewhere between Rs.5000-7000. You can take a bus to Manali from Chandigarh which will take 10 hours to reach. The price of bus tickets would be Rs.700-1400. Pune to Manali via air mode travel is the best option.