Planning a trip to Vietnam Applying for a Vietnam tourist visa online application is a simple and convenient process. You can fill out the secure online form in just a few minutes, upload your passport details, and receive an approval letter by email.  Once you arrive in Vietnam, you can present this letter along with your passport to get your visa stamped on arrival. This hassle-free method saves time. Make sure to check that your passport is valid for at least six months from your entry date and that you have a few blank pages available.  Also, double-check all your information before submitting your online application to avoid any delays.