When traveling with your little one, you'll need to include them as a passenger on your UA ticket. Infants under the age of two can travel at no charge. You can/may choose to reserve a place for your infant, which will allow them to have their own seat and possibly a car seat. To add an infant, y

When bringing an infant on a United Airlines flight, you'll find several things. First, infants under six months of age are complimentary. You will require to provide proof of the infant's age when you check in. Infants over six months of age are considered children and will need a boarding pass.