On arriving to Vietnam airport, you come to the “Landing Visa” counter and show the Approved Letter to get your Vietnam visa attached on your passport, also known as stamp. You need to pay for stamping fee as well.
Map of Immigration Counter at Hanoi Airport
Map of Immigration Counter at Ho Chi Minh City Airport
The visa and Immigration procedures at Hanoi airport (Noi Bai Airport) and Ho Chi Minh airport (Tan Son Nhat Airport) are simple and straightforward. The process should take around 15 minutes. Photo service is available, however, it is strongly recommended that you have your visa photos taken in advance.