How far ahead of time should I begin planning a group trip?

If the trip is already planned and you’re just buying into a pre-existing travel product such as a cruise or major tour operator’s trip, nine months is usually adequate. However, if the trip needs to be designed and then booked from scratch (all the hotels, flights, motorcoaches, guides, etc.), then you should allow at least [...]

Source: http://leisuregrouptravel.com/how-far-ahead-of-time-should-i-begin-planning-a-group-trip/

Robert A. Nakamura Dr. Haing S. Ngor