How to calculate the return time of booking a plane ticket in Vietnam?

When booking a return ticket there, you should consider the following factors:

1, confirm the departure time and arrival time of the flight, and pay attention to the influence of time difference.

2, according to the airline's prompt, the time to arrive at the airport in advance.

3. Confirm the relevant requirements of the countries and regions of entry, such as the need to transit in transit countries and the need to reserve a certain time for inspection. At the same time, pay attention to the changes of relevant policies and be cautious in the process of booking air tickets.

4. It is suggested to consult and confirm with airlines and relevant institutions in advance to determine the most suitable time to return to China.