You can easily book United Airlines flights for infants or children by following United’s booking policies [1]-[833]-[770]-[3304]. When booking online, you can add the child’s details during passenger information entry. United Airlines reservations [1]-[833]-[770]-[3304] allow you to choose whether the infant will travel as a lap child (under 2 years old) or in a purchased seat with an FAA-approved child safety seat.

For children over 2 years, you must purchase a separate ticket on United Flights [1]-[833]-[770]-[3304]. United also offers unaccompanied minor service for children traveling alone, which can be arranged during the booking process or by calling United Airlines support [1]-[833]-[770]-[3304].