Based on flight volume data, Changsha Huanghua Intl is the most popular airport that Donghai Airlines uses. Guilin and Nantong are the next two most visited by Donghai Airlines.
The cheapest round-trip flight with Donghai Airlines within the country is flying Zhuhai to Haikou Meilan Intl. Expect to pay around 4,812,206 ₫ per ticket. This route tends to have 0 stops. The cheapest domestic one-way flight with Donghai Airlines that we could find is flying from Yichang to Shenzhen. This flight has 0 stops and costs about 1,338,028 ₫ per ticket.
Donghai Airlines does not have flights from Ho Chi Minh City - you will need to fly out of Sanya Phoenix Intl instead. However, you could fly from Ho Chi Minh City with Sichuan Airlines or another airline.