If you aren’t able to travel during the month of May, then book flights to Perth from South Africa during February instead. Flights to Perth in February, while not as cheap as those in May, still average around R14 926.
You are more likely to see cheaper flights to Perth from South Africa when booking 56 days ahead of your departure date. In general, you can expect to find flights to Perth for around R15 808 when searching 56 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 R15 451. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around R16 852. 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 R15 309. In contrast, the most expensive time of day to depart to Perth is in the afternoon when prices are around R16 874.