To qualify for this promotion you must purchase by midnight for travel from Feb. 21 and April 3, 2012, largely on Tuesdays and Wednesdays only, and there is a seven-day advance purchase required. You'll find all the fine print at: http://www.jetblue.com/deals/the-love-a-fare-sale/?intcmp=HERO120120214.
Here are some sample one-way fares from Boston's Logan International Airport: $49 to New York (JFK); $50 to Newark, Washington(Dulles), Richmond, VA, and Pittsburgh; $60 to Washington (Reagan) and Baltimore; $75 to Charlotte; $80 to Raleigh-Durham $85 to Chicago; $100 to Jacksonville; $110 to Denver and Phoenix; $120 to Fort Lauderdale; $130 to Seattle and Tampa; $140 to Orlando and New Orleans; $149 to Turks and Caicos; $150 to Los Angeles and San Francisco; $159 to St. Thomas; $160 to San Diego; $163 to Nassau, Bahamas; $170 to Las Vegas; and $184 to Santiago, Dominican Republic.
JetBlue also announced that it begin selling seats today ($98 roundtrip for travel between May 17- June 13. Non-sale fares start at around $145 roundtrip) for its daily seasonal service from Boston to Nantucket. Flights will leave Boston at 4:50 p.m. starting May 17 through Sept. 4.