If you aren’t able to travel during the month of August, then book flights to Perth from South Africa during May instead. Flights to Perth in May, while not as cheap as those in August, still average around R12 478.
You are more likely to see cheaper flights to Perth from South Africa when booking 52 days ahead of your departure date. In general, you can expect to find flights to Perth for around R13 864 when searching 52 days out.
The cheapest day to depart from South Africa to Perth is on a Wednesday when prices can be found for as low as R13 797. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around R15 048. These prices are subject to change though, so be sure to set up a Price Alert for flights to Perth.
Our most recent data shows that the best time of day to fly to Perth is at midday. Flights from South Africa to Perth during this time can be as low as R13 670. In contrast, the most expensive time of day to depart to Perth is in the afternoon when prices are around R15 068.