Spirit Airlines Minor Policy fee allows underage travelers to fly solo under Unaccompanied Minor booking where they will be under a crew member's care. Additional fees are charged, but you can rely on Farezhub for huge fares relief and book your flight at a cheaper rate by calling +1-571-989-4175. Further, you can read our page on the aforementioned at https://www.farezhub.com/flight-insights/spirit-airlines-minor-policy-fee/.