So what if it's not even Thanksgiving yet? No harm in planning spring break or summer vacation a tad early. Beginning in March, Delta will boost service between New York's JFK and San Juan, Puerto Rico, as well as both Santo Domingo and Santiago in the Dominican Republic. And look for new nonstop service from New York's LaGuardia to Nassau, Bahamas.

Intro specials are available for travel from March 2 through August 20. Tickets must be booked by November 30.

Other carriers may be matching on certain routes. Fares include:

New York to San Juan, Puerto Rico $244 round-trip, including all taxes

New York to Santiago, Dominican Republic $377 round-trip, including all taxes

New York to Santo Domingo, Dominican Republic $377 round-trip, including all taxes

New York to Nassau, Bahamas $314 round-trip, including all taxes