Changi Airport is served by more than 70 airlines flying to more than 160 cities in 53 countries. More than half of Changi Airport 's total land was reclaimed from the sea. To make way for the construction of Changi Airport in 1975, almost 200 hectares of swamp land area were cleared. Terminal 1 handles the flow of arriving, departing and transit/ transfer passengers on international and regional flights. Terminal 2 operates independently from Terminal 1, serving mostly Singapore 's two national carriers namely Singapore Airlines and its subsidiary, SilkAir. Myairindia provides cheap flights to Singapore from London Heathrow airport. My airindia is an authorised travel agent of Air-India prviding cheap flights worldwide.