There's got to be no better time than the present to book your next vacation, as Southwest has a sale going on, and now JetBlue just announced a ton of two-day deals.
JetBlue's current sale will get you a one-way ticket starting at just $39 if you book on Tuesdays and Wednesdays between July 12 – October 26, 2016. Deals include Fort Lauderdale to Nassau, Bahamas for $39; Long Beach to San Francisco for $49; New York to Daytona Beach for $99; Long Beach to Austin for $104; and New York to Cartagena, Colombia for $174.
As far as restrictions go, you'll need to book up to 14 days in advance and there's a blackout date of September 6, 2016. Also, some routes have more restrictive travel dates and additional terms, but you can check out all that info on the sale page.