As Apertura winners Unión San Felipe were already promoted due to the overall table (77 pts.
San Luis de Quillota had their spot granted as Clausura winners.
Santiago Wanderers won 3–2 on aggregate and were promoted to Primera División.
San Luis de Quillota, as losers of the Final of Champions, and San Marcos de Arica, 4th place of the overall table, faced Palestino and Curicó Unido, placed 15th and 16th in Primera División respectively, for the final two spots to the top-flight division.
San Luis de Quillota won 4–2 on aggregate and were promoted to Primera División.