United will begin its Havana,Cuba service on Tuesday, Nov. 29, from two of its hubs. On that day, United will start daily non-stop flights to the Cuban capital from Newark-Liberty in the New York City area, and follow it with Saturday non-stop service from Houston.The Newark-New York area is home to the largest population of Cubans outside Miami.Passengers must fulfill one of the twelve categories that allow travel to Cuba from the U.S.(Free movement of general tourists is still not allowed by the American government). Book on  http://www.paylessflights.com for the best fares.