The ESTA is a quick and easy way for Portuguese citizens to apply for a visa to enter the United States. You can complete the application online in just a few minutes and receive an answer within 72 hours. There is no need to visit a US embassy or consulate, and you do not need to submit any additional documents.
Esta For Portugal Citizens – Requirements & Information
Galite kreiptis dėl ESTA internetu, jei atitinkate šiuos reikalavimus.