Officials said the threat call received when the flight was airborne turned out to be a hoax.
The flight SQ 423 was escorted safely to Changi Airport by Singapore's Air Force and landed at about 8 a.m. local time.
A Singapore Airlines flight from Mumbai made a safe landing at Changi Airport after the pilot raised a bomb threat alert.
Officials said the threat call received when the flight was airborne turned out to be a hoax.
A Singapore Airlines spokesperson in a statement said, "Singapore Airlines confirms there was a bomb threat concerning SQ423 operating from Mumbai to Singapore. We are assisting the authorities with their investigations and regret that we are unable to provide further details."