For how long is my US ESTA valid?

Travel authorizations typically last for two years from when they were issued, or until expiration or when it expires when they are not revoked. This screen is always display the expiration date of an authorization to travel. USA ESTA authorization is valid for multiple trips over two years or until the expiration of the passport. When you receive US ESTA travel authorization, you don’t need to apply again for the duration of the validity. The possession of an ESTA VISA does not mean you are guaranteed to stay in the US indefinitely, but it permits you to remain according to the conditions of Visa Waiver Program. You are able to remain inside the US for 90 day or less. If you want to stay longer, you’ll need to obtain an authorization from the US Embassy. Changes in the name, citizenship or gender , or getting an additional passport will require the application of an additional travel authorization. This is also the case if one answer to Visa Waiver Program eligibility questions is changed.