Traveling with your little one can be a breeze when you correctly add them to your United Airlines ticket. Infants under the age of two are allowed to fly for free as a lap infant, which means they'll sit in your lap during the flight. To add your infant, you'll need to contact United Airlines directly via phone or online. Be sure to bring their fu

When traveling an infant on a United Airlines flight, there are several things. Secondly, infants under six months of age fly for free. You will have to provide proof of the infant's identification when you check in. Infants over six months of age are considered passengers and will need a boarding pass. Don't forget to bring plenty of diapers, fo