Unlimited travel for month on JetBlue -- only $599

JetBlue has created quite a stir with its All-You-Can Jet Pass. For $599, you can fly anywhere you want and as often as you want from Sept. 8 to Oct. 8. JetBlue flies to more than 50 cities throughout the United States and Caribbean, as well as Cancun and San Jose, Mexico; Bogota, Colombia; and Aruba.