NEW YORK — JetBlue is bringing back its popular All-You-Can-Jet pass, which allows anyone to travel to an unlimited number of cities over a month.

It's a chance for the airline to fill empty seats during what is traditionally the slowest time of the year and hopefully, for JetBlue, to create the same wide-ranging buzz it generated last year when it launched the promotion for the first time.

And for consumers with wanderlust, stamina, $700, or better yet, a combination of all three, it's a continual ticket to any destination in the U.S. and Caribbean for 30 days.

The pass is valid for flights between Sept. 7 and Oct. 6. There are two price tiers: an unlimited pass for $699 or a $499 pass that excludes travel on Fridays and Sundays.

Last year, the unlimited tickets cost $599 and they sold out fast.

The pass gave the 10-year-old airline a wave of publicity, with travelers documenting their journeys on Facebook and Twitter. Those who could get tickets began setting up happy hours in far-flung cities just because they could, and other companies took advantage of the growing hubbub.

Hotels which had struggled through the recession offered discounts to draw the group in.

People used the pass for tours of the nation's sports stadiums, music meccas, and even 30-day job-search blitzes.