Diplomats and the crew of worldwide airlines and vessels will still be permitted into the country, according to the statement.
There were 1,073 return global passenger flights scheduled to come to China this week.
It added that there may be even further reductions to inbound and outbound worldwide flights if the pandemic deteriorates. Airlines will be allowed to use their capacity to carry cargo in and out of China, the regulator said.
All 67 new cases reported by the end of Wednesday were imported, as were all 47 reported the previous day, the National Health Commission said earlier on Thursday, putting the total number of confirmed cases to date at 81,285.
While China announced on Wednesday that there were no new locally transmitted cases of coronavirus on its mainland for the sixth time in eight days, imported cases still rose.
The number of new case is sharply down from the peak in February, and President Xi Jinping told World Health Organisation director-general Tedros Adhanom that control of the virus continues to improve and China would do its best to keep offering support to other stricken nations.
The drastic cuts in global flights add to the quarantines imposed by Beijing, Shanghai and at least half a dozen Chinese cities and provinces that operate worldwide airports, that put all visitors in mandatory 14-day quarantine, regardless of their points of origin.
Also, Wuhan will resume commercial flights from April 8, excluding worldwide flights and flights to and from Beijing.
On March 21, he arrived at China's Guangzhou Baiyun International Airport where he was screened for coronavirus and sent to a centralized quarantine point for medical observation while waiting for transfer. This 60-page all new intelligence report gives you first-hand insights and analysis into the latest industry developments and intelligence about China AI. Offer valid until 31 March 2020.