1. Indira Gandhi International Airport, New Delhi

The airport spread over an area of 5,106 acres. Named after Indira Gandhi, a former Prime Minister of India, it is the busiest airport in India in terms of passenger traffic since 2009. It is also the busiest airport in the country in terms of cargo traffic overtaking Mumbai during late 2015. In the calendar year 2017, it was the 16th busiest airport in the world and 7th busiest airport in Asia by passenger traffic handling over 63.4 million passengers. The airport handled over 65.7 million passengers in the fiscal year 2017-18.

2. Chhatrapati Shivaji International Airport, Mumbai

This airport is formerly known as Sahar International Airport, is the primary international airport serving the Mumbai Metropolitan Area, India. It is the second busiest airport in the country in terms of total and international passenger traffic after Delhi and was the 14th busiest airport in Asia and 29th busiest airport in the world by passenger traffic in the calendar year 2017 handling over 47.2 million passengers.

3. Chennai International Airport, Chennai

It is the fourth busiest airport behind Delhi, Mumbai and Bengaluru airport and the 50th busiest airport in Asia as of 2017. The airport handled over 20 million passengers in the fiscal year 2017-18. It was the first airport in India to have international and domestic terminals located adjacent to each other. This airport serves as the regional headquarters of the Airports Authority of India for South India comprising the states of Tamil Nadu, Andhra Pradesh, Telangana, Karnataka, and Kerala and the union territories of Puducherry and Lakshadweep.

4. Cochin International Airport, Kochi

It is the busiest and largest airport in the state of Kerala. As of 2017, the Cochin International Airport caters to 63.86% of the total air passenger movement in Kerala. It is also the fourth busiest airport in India in terms of international traffic and seventh busiest overall. In the fiscal year 2017-18, the airport handled around 10.2 million passengers with a total of 68,898 aircraft movements. The airport is a primary base for Air India Express operations which is also headquartered in the city. With over 2 million sq ft in area, the airport’s Terminal 3 is India’s fourth largest terminal.

5. Kempegowda International Airport, Bangalore

This airport is spread over 4,000 acres. It is named after Kempe Gowda I, the founder of Bangalore. Kempegowda International Airport became Karnataka’s first fully solar-powered airport developed by CleanMax Solar. Kempegowda Airport is the third-busiest airport by passenger traffic in the country, behind the airports in Delhi, Mumbai and is the 32nd busiest airport in Asia. It handled over 25.04 million passengers in the calendar year 2017 with over 600 aircraft movements a day. The airport also handled about 314,060 tonnes (346,190 short tons) of cargo.