Chennai International Airport is an international airport serving the city of Chennai, the capital of Tamil Nadu, India and its metropolitan area. It is located in Tirusulam, around 20 km (12 mi) southwest of the city centre. The airport is the fifth-busiest airport in India, and third by international traffic. It was also the 49th-busiest airport in Asia in 2018, making it one of the four major airports in India under the top 50 list of 2018. In financial year 2023-24, the airport handled over 21 million passengers.

NLC India Airport Metro is an elevated southern terminal metro station on the North-South Corridor of the Blue Line of Chennai Metro in Chennai, India. This station serves the Chennai International Airport and the neighbourhoods of Meenambakkam, Tirusulam, Pallavaram, Pammal, Kundrathur and Tambaram. The station is the only elevated airport metro station in India. The other airport metro stations in the country such as those in Delhi, Lucknow, Mumbai and the proposed ones at Bangalore and Hyderabad are underground. The station enables rapid transit connectivity with the airport, making Chennai the second city in India after Delhi to achieve this.