Carnival – 6 months

Royal Caribbean – 6 months. If cruise has more than 3 consecutive days at sea, they will have to be 12 months.

Disney – 6 months. One year for Transatlantic and Panama Canal sailings.

Norwegian – 6 months at time of sailing. If cruise has more than 3 consecutive days at sea, they will have to be 12 months.

MSC – NEW RULE – infants of ANY AGE can cruise!

Costa – 6 months (won’t book infants up to 18 months in inside cabins)

Holland – 6 months or 12 months. Depends on the cruise. Most European cruises are going to be 12 months.

Princess – 6 months or 12 months. Depends on the cruise. Most European cruises are going to be 12 months.