See what documents a child needs to travel to or from the US alone or with a parent or relative. Non-US citizen children traveling to the US.A child travel consent form allows a minor to travel alone or with another person or group. Given the critical nature of this document, we also provide a downloadable minor travel consent form in PDF format for your convenience. To create this form, gather all necessary details about the child, the accompanying adult and the travel. Fill Out Form DS-11 and Print It 2. The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. It's required when a child is traveling alone, with just one parent, or with someone who isn't their guardian, whether domestically or internationally. According to the USA. Gov website, if a child is traveling abroad with one parent, the other parent must supply a notarized letter granting permission.