Yes, you can book infant and child tickets onCleartrip. However, Cleartrip can not yet booked tickets for unaccompanied minors. When booking international flights for infants, please keep the following tips in mind: Every passenger needs a valid passport. Babies and children must be accompanied by an adult who is at least 18 years old. Each adult can book a maximum of one infant (under 2 years old). One adult can fly with a child and an infant. The infant must be under 24 months of age to qualify for an infant fare.