JetBlue one-day airfare sale: today only, book flights from $49, for travel between February 21st and April 3, 3012. Sample one-way fares include $145 between JFK and Las Vegas or Los Angeles, $105 between JFK and Ft. Lauderdale, and $123 between JFK and Bermuda. Click here to access the JetBlue one-day sale website page. Book your flights today, including to attend Major League Baseball spring training games in Arizona and Florida. These fares will be gone tomorrow. Find deals on where to stay in JetBlue destination cities, and elsewhere, on the NYC On the Cheap Daily Deals page, with 100+ daily deals for travel, restaurants and more.