Streetdirectory.com Changi International Airport Services (CIAS) is located in Singapore Changi Airport. There are 5 main Complexes i.e T1, T2, T3, CAAS Building and Budget Terminal (cheap flights to Bangkok Thailand). Many Airlines operate in / out of Singapore Changi i.e Qantas (flights to Sydney), Cathay Pacific (flights to Hong Kong), Malaysia Airlines (Flights to Malaysia), Eva Airway, Japan Airlines International (flights to Tokyo Japan), New Zealand Air (flights to New Zealand Christchurch), United Airlines (Flights to New York USA) and many more. Tourists visiting Singapore can do their last minute hotel reservations, find Singapore hotels or rent a limousine / Car (Car Rental is not popular here) at Changi Airport.