Travel available for November through March 2017 (no holidays though)
Use google flights to look for airfares of $828, then plug your dates using Priceline to get the $778 fare.
Please note that while this fare is valid at time of posting, fares can fluctuate in a matter of minutes/hours/days.
Thank you, The Flight Deal
My sample travel dates: Nov 25-Dec 2 (1 week) LAX-JNB-LAX