Yes, children who are less than 18 years old are welcome to travel on a Monograms program, provided they are accompanied by an adult for the duration of the holiday.
There is no minimum age requirement on Monograms programs. Land arrangements for infants under two are free of charge, providing parents pay directly to the hotels for food, crib, etc.
For Europe packages, children aged 11 and under receive a 25% discount on the Monograms land package price (not including internal air travel) when sharing accommodation with at least one adult, whilst children aged 12-17 years receive a 10% discount off the Monograms land package price. For South America packages, children aged 2-17 years receive a 10% discount off the Monograms land package price.