South African Airways is offering a special return fare of ?599 from Heathrow-Johannesburg for bookings made by the end of this month, for travel between May 1 - June 30. outh African Airways is offering a special return fare of ?599 from Heathrow-Johannesburg for bookings made by the end of this month, for travel between May 1 - June 30. To book and for more information visit www.flysaa.com?