You can cancel your Exit / Re-Entry visa before 90 days of issue or Travel Before date mentioned in Exit/Re-Entry Visa for free of charge. But your paid fee will not be refundable.
Otherwise you will have penalty SAR 1000 for first time, SAR 2000 for second time and SAR 3000 for Third time.
Exit/ Re-entry Cancellation Procedure in Absher
For Employees can request to cancel re-entry permit to their sponsor, he can cancel from his absher account.
For family members Exit-Re-entry permit can cancel from your absher account. Following are the steps
Login > eServices > Passports > Dependant Service > more details (of particular dependant) > Cancel Visa