Chaudhary Charan Singh International Airport (IATA: LKO, ICAO: VILK) is an airport serving Lucknow and Uttar Pradesh in India. It is situated in Amausi in the city of Lucknow, India. It is named after Charan Singh, the 5th prime minister of India. It is the 12th busiest airport in India and the second busiest and largest in North and Central India after IGI airport Delhi. Lucknow Airport, previously called Amausi International Airport is now renamed as Chaudhary Charan Singh International Airport. It was constructed with the purpose of facilitating VVIPs, it was only in 2005 when the AAI took decision to upgrade the Airport owing to increased number of passengers and also because of introduction of private operators in the sector.

A new terminal, equipped with latest technology, at Lucknow’s Chaudhary Charan Singh Airport is operative since June 2, 2012. It is being used both for arrivals and departures of domestic and international flights. The new terminal is a three-tier building which can accommodate around 650 passengers at a time.