"Take the normal way you search for flights and flip it on its head," Keyes ... "Nowadays, fares change by the day, sometimes by the hour and are determined by complex algorithms." ...

If you've ever plugged a departure city and destination into Google or another search engine ... and you'll get an email from Google Flights when the prices change. If Google notices the price ...

As the saying goes about changes to the way Google displays flights, the devil will be in the details. Google plans to modify how it displays flight search results in the European Union to comply ...

Everyone wants to score the best deal on airfare, right? Well, predicting when prices will be the lowest is easier said than done. Flights generally open for booking about a year ahead of time ...