The flight was inaugurated by State Minister for Civil Aviation and Tourism Md Mahbub Ali.
The Biman flight carrying 232 passengers took off at 11:15am, said a handout of Civil Aviation and Tourism Ministry.
Flights on this route will be operated every Wednesday.
State Minister Ali said the direct flight is a gift from Prime Minister Sheikh Hasina to Bangladeshi expatriates in UK and for the people of Sylhet.
A huge number of Bangladeshi expatriates in the UK are from Sylhet.
Read Also: Biman to launch Sylhet-London direct flight
He thanked the prime minister and expressed his gratitude on behalf of the Sylhetis.
“The communication between the two countries has been strengthened through the operation of the direct flights and (commuting will) become easier and more comfortable for the Bangladeshi expatriates in UK,” he said.
Besides, three new Dash-8Q400 aircrafts have been purchased from Canada Commercial Corporation (CCC) which will be added to the Biman fleet, he added.
The authorities concerned are working to expand routes of Biman according to the Prime Minister’s directives. Domestic operations and flights are being increased in phases, he said.
Meanwhile, a deal was signed with the USA to operate direct flights on Dhaka-New York route, he said. Besides, the government is working to launch direct flights to Toronto and Narita.