Instead of having to search manually numerous sites to find the best travel deals for your next vacation, use Voyij.com, it automatically crawls the web to find the best deals across hundreds of suppliers. The user interface is well done, so searching for deals is fast, you can either choose from a list of destinations or select a date range and find the best prices for flights departing from your city. Voyij.com currently has 14,473 sales and specials to offer.
I did not test it that much against other sites, I tried the deals section of Expedia and Kayak and they were much more complicated to navigate and slower to provide a result than Voyij.com. Although the deals were not comparable regarding hotel quality and vacation duration, they seemed to be in the same price range on Kayak. The site covers North America and the Caribbean, however other international destinations will be added this summer.