Adding a little one to your journey with United Airlines is easy. To ensure a smooth experience for both you and your infant, follow these simple steps when booking your flight. First, make sure to pick "Infant" as a passenger type during the booking process. United allows infants under two years old to fly at a reduced fare. You'll usually need t

When traveling an infant on a United Airlines flight, it's important to know some things. Most importantly, infants under six months of age are complimentary. You will have to provide proof of the infant's age when you check in. Infants over twelve months of age are considered tiny travelers and must have a boarding pass. Don't forget to bring pl