what age do kids fly free?
If you're taking a domestic flight with your infant, your airline will likely allow the baby to fly at no cost -- provided you hold him on your lap throughout the flight. Generally, American Airlines allows children younger than two years of age to fly for free with a parent or another adult over the age of 18.You'll save cash, though you'll likely be uncomfortable after a short time unless you're traveling with a partner or other adult who can take turns holding the baby.f you're taking a domestic flight with your infant, your airline will likely allow the baby to fly at no cost -- provided you hold him on your lap throughout the flight. Generally, American Airlines allows children younger than two years of age to fly for free with a parent or another adult over the age of 18.