Use our Child Travel Consent form to prove that a child can travel without their parents or guardians. 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 minor travel consent form is a legal document that grants permission for a minor child to travel without one or both parents or legal guardians. I was preparing documents and someone told me that I might need minor travel consent form since I am not leaving. You'll need to fill out an unaccompanied minor form and any necessary Customs and Immigration documents for the day of departure. A letter for permission to cruise is generally required when a non custodial non parent brings along a minor. The first step is to draft a parental consent form that clearly grants permission for the minor to travel. The intention of this letter is to provide consent for a minor child to travel without the company of both legal parents.