JetBlue Has a One Day Sale Today CheapOair Staff May 3, 2011 general JetBlue Sale Goes on Today, Tuesday May 3rd JetBlue is doing a one day sale today. This Tuesday, May 3rd you can book travel dates anywhere between May 10 to June 22 of this year. Blackout days are 5/26-5/31/11. If you’re looking for an excuse to travel to such destinations as Las Vegas, Orlando or New York, today is the day to do so for less. Fares start at $49 each way (taxes, fees and restrictions apply).