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.
Change fees are in addition to the charge for the difference in fare. So, if a traveler were to purchase a domestic ticket for $300 and then want to change the dates of travel, and the price had then increased to $350, the airline would charge the fare difference of $50 plus the change fee.specially if that flight is on US Airways or United. Last week, United quietly increased the fee for changing a flight from $150 to $200 for domestic flights. Today, US Airways matched the fee increase. The change was reflected on their web site.