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.The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents. I was preparing documents and someone told me that I might need minor travel consent form since I am not leaving. A child travel consent form allows a minor to travel alone or with another person or group. To create this form, gather all necessary details about the child, the accompanying adult and the travel. Your child will need a Child Travel Consent any time they're traveling without all their parents or legal guardians present. The form linked below is permission to travel. Download and fill it out. Please fill out one of the form choices and the Consent to Treat Minor Children Form.