Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Richards Bay to Windhoek as you normally would.
For a flight from Richards Bay to Windhoek, you will be flying from Richards Bay. Richards Bay (RCB) is just 7,1 km from the centre of the city. Richards Bay is the only Richards Bay airport and it handles 0 outbound flights to Windhoek per day. 0 airlines have flights to Windhoek from Richards Bay on a regular basis.