A travel visa generally costs around $160, and prices can also regularly go up to $190. This kind of visa often requires applicants to fill out forms online, visit an embassy, leave their passport, and pay to have it returned to them. This is a significant amount that needs to be considered when budgeting for a trip. By contrast, the governmental ESTA cost is..
The first rule to be aware of is that you cannot stay in the United States for a period of more than 90 days. At the end of 90 days, if not sooner, you are legally obliged to leave the country. One of the requirements of travelling with ESTA is to already have a return or onward ticket, which shows that you will be leaving within the required time frame. However, your travel is not limited to this 90-day period, as the ESTA itself is valid..