The "preventive" measure came at the request of the Saudi health ministry "due to the danger of the disease and its highly contagious" nature, state news agency SPA reported.
The World Health Organisation has said it is not recommending travel or trade restrictions to Guinea, Liberia, or to Sierra Leone, which has reported suspected cases of Ebola, based on information currently available.
Once a year Muslims perform the hajj pilgrimage to the Saudi city of Mecca, home to Islam's holiest sites, but they can make the minor umrah pilgrimage to the kingdom all year round.
Guinean health authorities have recorded 122 suspected cases and 78 deaths.
The tropical virus leads to haemorrhagic fever, causing muscle pain, weakness, vomiting, diarrhoea and, in severe cases, organ failure and unstoppable bleeding.
