Air Jamaica Continues Service to Grenada, Extends Sales Fares CheapOair Staff August 1, 2010 general, Trending Stories This blog post was updated on September 22, 2014. Air Jamaica announced last week that they will be continuing their nonstop service between New York (JFK) and Grenada. The airline currently offers four weekly flights to Grenada, and starting September 6, the fall schedule will offer two flights per week to Grenada. Operating Wednesdays and Saturdays, the fall flights to Grenada will depart from New York (JFK) at 12:40am and arrive in Grenada at 5:40am. Flights departing Grenada at 6:40am and arrive in New York (JFK) at 11:40am. The airline will extend their ongoing sale to celebrate the continuation of the nonstop service, with travel valid through November 18. Tickets must be purchased by Monday August 2.