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. Use our Child Travel Consent form to prove that a child can travel without their parents or guardians. A child travel consent form allows a minor to travel alone or with another person or group. I was asked to present the consent form at immigration when I was returning home from the Bahamas with my grandparents. I was 15 at the time. A notarized letter of consent is a crucial requirement when traveling with minors without both parents or guardians. There are forms you can download and sign for this. Send them with POAs, insurance cards, and this form.