The officials said the report, for which the CIA was the main contributor, assessed that the crown prince approved and likely ordered the murder of Khashoggi.
If carried out as planned, the call will be Biden's first conversation as president with the Saudi king.
Though early days could be rocky, Saudi analysts say strategic alliance between the two countries over the next four years won't be affected.
MBS's condition was for the visit was that it would take place in total secrecy and that his presence in Washington would become known only once the meeting was underway.
Khashoggi's fiancee Hatice Cengiz waited unknowing outside the consulate while, according to prosecutors, he was suffocated and his body was dismembered.
"In this blessed night of the blessed month (of Ramadan) we remember God's saying: If a person forgives and makes reconciliation, his reward is due from Allah."
The prosecutor's office accused the two men of instigating Khashoggi's murder at the Saudi consulate in Istanbul and named 18 suspects it said actually carried out the killing.
MBS and Bezos were reportedly having a conversation on WhatsApp when a malicious file was sent to the Amazon owner's phone.
The court dismissed charges against the remaining three of the 11 people that had been on trial, finding them not guilty.