The Unaccompanied Minor Program costs $150 USD/computer aided design/EUR roundtrip from Delta Carriers. The cost is for flights that go continuously inside the US and throughout the world. Delta Minor Policy is required for children aged 5 to 14 years, but if their guardians choose to enroll them in the unaccompanied minor programme, aid is only given to children aged 15 to 17 years. Either one way or a full circle can be used to pay the fee