How to Reach
By Air : You have direct flights to Port Blair from Delhi, Mumbai, Kolkata, Chennai, Bangalore. And alternative few flights are from Visakhapatnam on particular days. The journey time take from Kolkata & Chennai roughly 2 hours and from Delhi & Mumbai its takes 5 hours.
By Sea : Ship’s sail from Chennai, Vizag & Kolkata. There are usually 3-4 sailings every month and the dates are published in SCI official Website and the voyage takes about 60-70 hours to reach Port Blair.
There are three or four sailings every month from Kolkata and Chennai to Port Blair and vice-versa. There is one sailing for Vizag in a month. The voyage takes about 3 days (60-70 hours ideally) and the ship normally berths at Port Blair(if Direct Ship)else it can touch some other Islands also(sometimes) for about three to four days.
Ship schedules are announced one month in advance for the Mainland-island sector,5 days in advance for the inter-island (for the southern group of islands ie. Port Blair - Nicobar, Nancowry, Katchal, Campbell Bay) sector and 3 days in advance for the foreshore sector (Port Blair - Diglipur, Mayabunder, Rangat, Neil, Havelock, and Hut Bay).