Visa can be applied for up to six months before the actual date of travel to Vietnam, according to Vietnamese Embassy in the U.S. The approval process takes five business days.
You must have a valid passport that is valid for at least one month after your exit date in order to obtain a visa to Vietnam.
You must complete the visa application form and attach a two inch by two inch picture. In cases of visa on arrival, you may have your picture taken at immigration.
Visa fees must be paid in money order, cashiers check or certified check. The fee amount varies according to your country of departure and length of stay.
Double entry visas are available to those who are traveling to Thailand, Cambodia and Laos for short periods and returning to Vietnam.