On Qatar Airways, a 12-year-old is classified as a "Young Traveler" and is permitted to travel alone without the mandatory "Unaccompanied Minor" service. In 2026, the airline’s policy states that children aged 12 to 15 can book an adult fare and fly independently. However, if parents prefer extra peace of mind, they can optionally request the Unaccompanied Minor (UMNR) service for a fee (which involves a 3,000 Avios service charge or a cash equivalent). If the UMNR service is not requested, the 12-year-old will be treated as an adult and will be responsible for navigating the airport and any connections themselves, although crew members will still provide standard assistance. It is crucial to check the specific entry requirements of the destination country, as some nations require a notarized letter of consent for any minor under 18 traveling without their legal guardians, even if the airline’s internal rules allow them to fly solo.