The site has rolled out a feature in the search pages where you can find the "best" or the "cheapest" flights, which I'll break down a bit more below. I also wrote a complete guide to Google ...

His flight deals app promises offers that can save travelers up to 90% on airfare. So what's his trick? "Take the normal way you search for flights and flip it on its head," Keyes says.

Skyscanner's new DROPS feature shows the best airfare deals. Here are the destinations with the biggest savings.