David Ibbotson was flying the footballer to the UK when their Piper Malibu aircraft crashed near Guernsey on 21 January.
A helicopter was used to search remote coastal areas and two divers went down to the aircraft wreckage.
Organiser David Mearns said that the “active search” had ended.
The shipwreck hunter, who led the successful search for Sala’s body, said the divers had searched “every nook and cranny” of the plane
“Sadly there was absolutely no trace of David, no trace of any clothing, no trace of any of his personal items,” said Mr Mearns.