Illinois Minor (Child) Travel Consent Form. 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. 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. 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. For what are you asking permission? Make sure the consent letter clearly indicates whether the permission is to travel out-of-state or abroad. To create this form, gather all necessary details about the child, the accompanying adult and the travel. ❖ Submit consent within 30 days of the last day of travel.