When flying from Singapore to Namibia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Great question - SIN to WDH just means Singapore Changi Airport to Windhoek Hosea Kutako Intl Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Walvis Bay Rooikop Airport (WVB), Windhoek Eros Airport (ERS), Ondangwa Airport (OND), Katima Mulilo Mpacha Airport (MPA), Luderitz Airport (LUD).