It's just that children are relatively young, and there are some things we need to know more about, such as whether children can adapt to high altitude if they fly. Although the engine room in the plane is equipped with equipment such as balancing air pressure, it is generally nothing, but there are still some things. Sometimes, even adults will have tinnitus or some discomfort. Whether the baby can bear it depends on the scientific answer.
Besides, children are too young and have to bring a lot of daily necessities. You may not be used to Cambodia's supply, … so please think twice …