Ever stepped away from your computer partway through booking a flight only to find the price has skyrocketed when you return?

Here's what you should know. ITA Matrix is a web tool that some travelers use to search for complex or niche flight options.

Flight prices change daily, but this report released by Google Flights aggregates years of data to show you the cheapest time ...

But — unlike the standard Google Flights search option — this new feature will display results with no regard for flight durations, travel times, or more complicated itineraries or transfers ...