Microsoft is using its 2008 acquisition of Farecast to try to surpass Google on airfare and hotel search. Farecast provides a tool that compares airfares by using an algorithm that recommends the best time to buy tickets. The Farecast technology is integrated with Bing search results so .

Farecast also works with hotel reservations and can be used to when you search for hotels in a particular city. Microsoft says Bing, using the Farecast technology, estimates the going rate of a room at a certain hotel and compares it to the price being offered to figure out if it's a deal.