Mobissimo is a website that searches 166 other sites directly to find the cheapest plane tickets available for a given destination.

Mobissimo.com is a travel search engine, which means that once you plug in the information, like dates, times, locations, you can do a search for the cheapest plane tickets available.

This is one of the websites you should check when you are searching for cheap plane tickets for wherever you are going because it helps find offers over an array of different places, but makes it a lot easier than doing all the leg work yourself.

http://www.mobissimo.com/search_airfare.php