Searching for cheap Kolkata Singapore flights? Take a look at the flight schedule and book your travel only on Cleartrip.com. We offer you a wide choice of airlines like Singapore Airlines and SilkAir (S) Pte for your flight booking. There are 7 weekly flights from Kolkata to Singapore. The first flight from Kolkata Singapore is at 11:50 PM, which is Singapore Airlines airline 517. The last flight from Kolkata Singapore is at 11:50 PM, which is SilkAir (S) Pte 5861. Be sure to find the best offers and deals for cheap flights from CCU to SIN.