There are many airlines that are offering flights to South Africa arriving at any of the three international airports, which is Cape Town, Durban and OR Tambo International Airport which is in Johannesburg. You will find that most flights that are destined for either Durban or Cape Town will pass through Johannesburg anyway.
If you can schedule your trip to be between the months of June and December you might be able to get a discounted air fare. This because during the first part of the year; the place has a high number of visitors trying to avoid the rains during the winter season. Travelling during the week days instead of over weekends will also get you lower air fares.
There are a number of places on the internet where you can get information regarding flights to South Africa. There are travel tour companies that can arrange and book your flights for you and even take care of your accommodation requirements if you want. If you can order your ticket online then you will be quoted a lower air fare and also bookings made in advance also qualify for a discount. A period of two weeks in prior to the time that you want to travel is an advance booking..
Considering the flights to South Africa you have direct flights and connect flights. Unless you are in a hurry for an important business meeting, flying direct will always cost you more money than connecting flights. If you compare the arrival times of the direct and connecting flights its normally less than three hours.
The prices also vary according to the time of the year. So it is not possible to get any fixed rates at any one time, estimates might be available at any one of the following: