How old do you have to be to fly by yourself on Spirit?

Spirit airlines allow the children to travel in flight alone with the assistance of the agents of the airlines. However, the children can only travel independently with professional assistance on domestic flights. The passengers cannot travel in connected, international, or domestic, including aircraft schedule changes. The children allowed to travel on the airlines are required to be under the age group mentioned here, or you can also look for the articles about how do I speak to a live person at Spirit Airlines? To know more about it. 

• Children under four are not allowed to travel in spirit airlines alone. Another passenger, at least at the age of 15, is required to accompany them.
• Children under age 5-15 can travel as unaccompanied minors, under accompanied minor services, if not traveling with an adult. However, unaccompanied minors can only travel on a direct domestic flight.
• Children and guests about 15 do not need any accompanied minor services and can travel alone on the flight. However, they may have to present a picture ID or birth certificate to verify their age before boarding the scheduled flight. 

Some guidelines must be considered before booking a flight ticket for a minor.

Rules and Guidelines

• Before booking your flight ticket with Spirit airlines, mention the unaccompanied minor booking to the airline.
• Make sure to check in at the ticket counter at least 60 minutes before the flight's scheduled departure.
• At check-in time, the unaccompanied minor form must be filled and completed at the airport by dropping off the parent/ guardian with necessary documents and photo ID. The form will get attached to the lanyard provided by the airlines, which is necessary for the minor to wear throughout the flight for the airline's employee to identify them.
• The person dropping off the minors at the airport must be there at least 15 minutes after the flight departure.

To know more about the minor flight ticket with Spirit airlines, connect with the customer service agent and understand how do I speak to a live person at Spirit Airlines? Follow the process given on the contact page of the airlines.