Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dar Es Salaam to Buenos Aires as you normally would.
Dar Es Salaam (DAR) is the airport you will fly out of if you book a flight from Dar Es Salaam to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Dar Es Salaam; the airport handles an average of 0 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Dar Es Salaam airport to Buenos Aires. It is only a 10,5 km journey to Dar Es Salaam (DAR) from Dar Es Salaam’s city centre.