Are there any websites that will find great airfare deals if you don't have a destination in mind?

I want to go on a vacation some time in October and don't have any particular destination in mind. What I'm looking for is a site that will let you enter a date range and it can suggest very inexpensive flights around the world for that time range.Are there any websites that will find great airfare deals if you don't have a destination in mind?
will use JFK/Kennedy as an example, but you may change it:



http://www.farecompare.com/search/flyert鈥?/a>



http://www.kayak.com/h/buzz/view?ac=%26amp;act鈥?/a>



http://www.airfarewatchdog.com/FareSearc鈥?/a>



http://dps1.travelocity.com/dreamMap.ctl鈥?/a>



http://www.vayama.com/jsp/specials/vayam鈥?/a>



Enjoy!!!Are there any websites that will find great airfare deals if you don't have a destination in mind?
Travel websites do not work that way. You need to specify a destination etc. to use them.

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flyff