He said the BG-122 flight of Biman Bangladesh landed at the Hazrat Shahjalal International Airport in Dhaka around 11:30 a.m. local time on Thursday from Muscat, Oman via Chattogram city, some 242 km southeast of Dhaka.
According to the official, the gold bars were left abandoned in the cargo hold of the flight.
Acting on a tip-off, Uddin said the customs officials searched the aircraft and recovered the gold bars wrapped in clothes.
The estimated value of the seized gold bars is about 250 million taka (about 2.33 million U.S. dollars).
No one was arrested in connection with the seizure, according to local authorities.