I have an ecredit that needs to be booked soon. It is from a trip that I ended up canceling this past winter. Naturally, when I look at rebooking for this winter, the same itinerary, dates, and fare class end up at over 2x the original flight (and thus the ecredit).

I'm sort of ambivalent about where and when to go. Is there a site where I can essentially see what flights are available within a certain price & date range? I took a look at Kayak and Google, but both of them have a hard limit of under $2k and I have a bit over $3k to burn.

I know there are some awesome users here who could provide some perfect targets, but I'm feeling sort of ambivalent about where & when to go and I'd hate to waste their time.