Cochin to Manali can be reached easily. One can take a flight from Cochin to Delhi. It will take somewhere between 3-5 hours to reach Cochin. The tickets would be around Rs3000-5000. Once you land in Delhi you can take a bus to Manali which will take almost 15 hours to reach. Tickets would be somewhere between Rs.750-1800. One can opt for a train as well but only in the case if you great amount of time with you. A train from Cochin to Delhi will take almost 42 hours to reach Delhi. Once you are in Delhi you will take a bus to reach Manali. It will take 2 days and a half to reach Manali if you are opting for train. The train tickets would be between RS.750-3200. You have one more option in hand. You can catch a flight from Cochin to Chandigarh. This will take about 5-6 hours to reach. The tickets of the flights would be somewhere between Rs.5000-9000. Once you are in Chandigarh you can have a bus journey till Manali. It will take around 10 hours to reach Manali. Tickets would cost you somewhere between Rs.700-1400.