Get an idea of how much your airfare to St Kitts will be. The airport code for St. Kitts is SKB. The official name of the airport on St. Kitts is Robert L. Bradshaw International Airport.
From the U.S. When traveling from the continental United States, its either American Airlines or Delta. If it is American there are direct flights out of Miami to St Kitts or there are connecting flights though San Juan, Puerto Rico then to St Kitts on American Eagle (65 minute flight). Or if you want a real island experience you can fly to St. Kitts from San Juan on LIAT. Delta has Saturday direct flights coming out of Atlanta to St Kitts.
From Canada Travel through Toronto and book one of the direct charter flights (Air Transat) to either St. Kitts, St. Martin or Antigua. Or you can book with Air Canada to fly directly from Toronto to Antigua. As a guide, it's about a 4 1/2 hour flight from Toronto to St. Kitts or Antigua.
From Europe Connect through Antigua or St. Martin. From either of those destinations, you can get a flight to St Kitts on LIAT.