Explore Southwest Airlines Unaccompanied Minor Policy that allows children between the ages of 5 and 11 to travel. The airline ensures the child travels safely from check-in to gate arrival. Each child must pay $50 for this service. Children board before other passengers and are accompanied by a dedicated staff member through their connections. Southwest allows children between the ages of 12 and 17 to fly alone without the unaccompanied minor service. Overall, the policy provides parents with comfort while taking safety above all else.