KLM is one of the cheapest operators flying from Europe to South Africa. If you travell in the periode March to October can you get a return ticket London-Johannesburg or Cape Town for one person for 650 EUR. It is getting more expences when you get closer to the high season Desember-February.
You can search for cheap airfair tickeds at www.kelkoo.no.
At the moment there is only direct flights from Europe to Johannesburg and Cape Town but there is plan to open direct flights also to Durban and Port Elizabeth within 1-2 years. Most of the flights are nightflites from London, Frankfurt, Amsterdam or Zyrich to Cape Town or Johannesburg.
Here is some links to South African airways companies:
http://www.flynationwide.co.za/
https://www.kulula.com
http://www.flysaa.com
Enjoy your flight!
Printer friendly page