Airlines treat children traveling alone differently depending on the age of the child. Most airlines have a minimum age for their unaccompanied child service, typically five, and a maximum age, typically 12.Children younger than the minimum age will have to travel with an adult.irlines treat children traveling alone differently depending on the age of the child. Most airlines have a minimum age for their unaccompanied child service, typically five, and a maximum age, typically 12.
The fee is $110 for award flights. There is no fee to change or cancel a flight ticketed within 24 hours, so long as the reservation was made at least 7 days prior to departure. United Airlines charges change fees of $200 for domestic flights and up to $400 or more for international itineraries.
Moreover, you can change your Southwest Airlines flights anytime until departure by paying the fare difference, If done soon enough, you could end up paying nothing. Other airlines charge as much as a $250 fee when a reservation changes prior to the day of departure.