Fly unlimited for $599 on JetBlue from 9/8/09 to 10/8/09

But read the fine print. Here are key points:

• Purchase by 8/21/09 (or while supplies last).
• Book 3 days in advance (before 11:59 PM)
• Pay $100 if you don't show or your "pass" will be suspended.
• If you already have booked a flight during the travel period, you can "upgrade" by paying the difference.
• Does not include Taxes and Fees to International destinations and Puerto Rico.
• $30 for the second bag.

Click here for more details and also make sure you read the "Full terms and conditions"