TSA Screening for Children For domestic travel, all travelers 16 and over must show proper identification at TSA checkpoints. TSA does not require minors under 16 to show a photo ID, but they might be asked for proof of citizenship, such as a birth certificate.
A consent letter is recommended for all cross-border travel, even for a day trip, if the child will be travelling alone, with only one parent, with friends or relatives or with a youth group.
You should obtain a child travel consent letter granting you permission from the absent parent to leave the country with your child (having it notarized is not required, but highly recommended).
The letter of consent, preferably in English and notarized, from the other parent (if the child is traveling with one custodial parent) or signed by both parents (if the child is traveling with a guardian or alone) should say: "I acknowledge that my child is traveling outside the country with the name of the adult ...
Consent to travel A child travel consent form has to be signed by both parents or legal guardians and has to contain: The child's basic information (name, gender, birthday, and place of birth) Both parents' or legal guardians' contact information. The traveling arrangements.
Children under 18 don't need an ID to fly domestically but do need a passport for international flights.
In the USA, though, unless there's a court order requiring permission from both parents, a child may travel (even to overseas) with either parent/guardian without showing proof of permission from the other parent.
Is a minor travel consent form required for domestic travel? No, a minor travel consent form is not required for domestic travel within the U.S. However, it is recommended that parents and/or legal guardians carry a notarized letter of consent when traveling with a child.