The 28-year-old striker died when the plane in which he was travelling crashed into Channel Island waters on 21 January, just days after he had signed for Cardiff City.
Mr Sala’s body was pulled from the the wreckage on 7 February.
Cardiff manager Neil Warnock and chief executive Ken Choo will both attend the funeral in Progreso in the Argentinian province of Santa Fe on Saturday.
A public vigil, expected to last for several hours, will be held in the gymnasium of Mr Sala’s boyhood club San Martin de Progreso.
The club posted an emotional tribute on Facebook earlier this week, saying the footballer would be ‘eternally in our hearts’, adding: ‘We are waiting for you… like the first day you left but this time to stay with us forever. You went and you are an example for everyone.’
At the opening of an inquest into his, the coroner heard that Mr Sala had died from ‘head and trunk injuries’.
The pilot of the plane, David Ibbotson, is still missing following the crash, and a fundraising campaign to restart the search for him has raised more than £240,000.
Speaking on Good Morning Britain, his daughter Danielle said the family would not give up hope that he would be found.
‘If you’ve got hope then you shouldn’t give up,’ she said. ‘He wouldn’t stop searching for me.’
The aircraft remains underwater off the coast of Alderney in the English Channel.