The aides told The Associated Press on Monday that the former president will leave Yemen within two days along with some of his family members.
A diplomat in Sanaa confirmed that arrangements had been made for Saleh's arrival. All officials spoke on condition of anonymity because of the sensitivity of the issue.
On Saturday, newly inaugurated President Abed Rabbo Mansour Hadi was sworn in as president as part of a power-transfer deal that gave Saleh immunity from prosecution in exchange for stepping down. The deal aims to end a year of turmoil that left hundreds of protesters dead.