Use our Child Travel Consent form to prove that a child can travel without their parents or guardians. The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents.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. No information is available for this page. A child travel consent form allows a minor to travel alone or with another person or group.