Based on flight volume data, Toamasina Tamatave is the most popular airport that Tsaradia uses. Antananarivo and Tulear are the next two most visited by Tsaradia.
The cheapest round-trip flight with Tsaradia within the country is flying Mahajanga Amborovy to Antananarivo. Expect to pay around 4,907,255 ₫ per ticket. This route tends to have 0 stops. The cheapest domestic one-way flight with Tsaradia that we could find is flying from Sambava to Antananarivo. This flight has 0 stops and costs about 2,254,050 ₫ per ticket.
Tsaradia does not have flights from Ho Chi Minh City - you will need to fly out of Sambava instead. However, you could fly from Ho Chi Minh City with Air Madagascar or another airline.