Bantwana advanced to the semi-final as Group B winners and they edged the young Shepolopolo, who finished as Group A runners up to reach the final of the maiden age-grade tournament in Mauritius.
The ambitious South Africans found a breakthrough early enough when Oyisa Marhasi broke the deadlock off Wade's assist 16 minutes into the encounter at St Francis Xavier Stadium.
However, the Zambians responded with a strong fightback as they gained the equaliser after Esther Banda set up Maweta Chilenga to score from a brilliant finish in the 27th minute.
Dludlu's side made the best of the half-chances as Wade's brilliance from a free-kick five minutes after the restart sealed Bantwana's place in the final.
Jessica Wade awarded her second player of the match award by Mr Timothy Shongwe from COSAFA pic.twitter.com/osbOeSAt0E— SAFA.net (@SAFA_net) September 27, 2019
The win saw Dludlu overcome her semi-final jinx after she failed to lead Basetsana past Tanzania in the last-four stage of the inaugural Cosafa U20 Women's Cup in August.
On Sunday, South Africa will square up against Uganda, who defeated Botswana 12-0, in the final of the inaugural event at St. Francois Xavier Stadium.