What is ESTA?

Once your ESTA permit has expired, you will not be able to check it and the number will no longer exist, therefore you will have to apply for a new ESTA authorisation. This means you will have to fill in the form once again and you will have to repay the fee.

If you are in the US and your ESTA expires then it is not an issue, as your ESTA must only be valid when you are entering the border of the US. This is when you will get checked by the border control authorities, so when you are returning to the UK or wherever else, there is no requirement to have a valid ESTA.

If you are a UK citizen and have a post-dated passport that won’t be valid until a certain date (due to name change for example), you will not be able to apply for ESTA, as you need to apply using a passport that is valid at the time the application is submitted. Since a post-dated passport