JKIA is the hub of national carrier Kenya Airways (KQ), its subsidiary Jambojet and other airlines.
The airport was built in 1978 to serve just over two million passengers annually and has two terminals.
The government plans to break ground on the construction of a new terminal at the Jomo Kenyatta International Airport (JKIA) in January next year.
Kenya Airports Authority chairman Caleb Kositany on Sunday said the government will soon float a tender for the construction of the new terminal to increase the capacity of the airport. He however stated the agency is yet to make projections on the exact cost of the project.