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.Use our Child Travel Consent form to prove that a child can travel without their parents or guardians. A minor (child) travel consent form shows that a child has permission to travel without both parents or legal guardians. I would absolutely get a notarized "child travel consent" letter for each of you to travel with. Traveling abroad with a minor? Don't wait to get your minor travel consent form notarized. Outline the trip information, including destination and travel dates. 4. Include the signature of the consenting parent or guardian. 5. A notarized letter of consent is a crucial requirement when traveling with minors without both parents or guardians.