Use our Child Travel Consent form to prove that a child can travel without their parents or guardians. If children are not travelling with both their parents, (ie: if they are travelling alone, or with another adult), this form can be used to give permission.Minor (Child) Travel Consent Form. A minor (child) travel consent form shows that a child has permission to travel without both parents or legal guardians. The most important preparation for traveling with a child out of state after divorce is obtaining consent from the child's other legal guardians. Know what documents a child needs to travel to or from the U.S. All children, including infants, must have their own travel documents. A Travel Consent Form is a letter of permission for travel is a document where a parent or guardian acknowledges that their minor will be traveling alone. A travel consent is used to when traveling with minor children whether on trips with organizations, family members, or one parent. Children traveling alone can't check in online or at the kiosk. See what documents a child needs to travel to or from the U.S. alone or with a parent or relative. NonU.