If you travel a lot for business and/or pleasure you may want to take advantage of this deal.  Jet Blue's All You Can Jet pass allows you to travel anywhere in the US for $499 for 30 days (excluding Fridays & Sundays) and $699 for 30 full days. Travel dates are Sept 7-October 6. Now that is a great deal.
AYCJ-7: $699* for 30 days of unlimited travel 
AYCJ-5: $499* for 30 days of unlimited travel (excludes Fridays and Sundays)

Jet Blue is having their fall fares sale.  Flights as low as $39 one way.  Book now through August 6th.