Google’s flight comparison tool is already one of the best ways to compare travel costs. Rather than just being a price comparison website, it tries different airports and different dates to see if it can make your trip radically easier.

Now, Google has added historical price data to the tool, so Google will let you know if a ticket is about to get more expensive.

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Buying flights is an imperfect science, because airlines vary the price based on all kinds of factors that are difficult to understand. It doesn’t make much sense as an outside, but Google’s new system is just meant to help you get the best information (and therefore price) as possible.

You’ll now see a card pop up which shows you how much the price of a flight is supposed to increase, and in how many days. It’s based on historical data rather than predicting future trends, so it won’t take into account one-off events like a Super Bowl driving up ticket prices.

Google also launched a new Trips app last month that handles the part of trips that happen once you arrive at your destination. Mostly, it’s a rehash of all the useful information Google Maps already has on a neighbourhood, but in a more streamlined format.

Between Maps, Trips, and the new Flights widget, Google is becoming an end-to-end holiday planner, and an effective one at that.

Chris Mills has loved tinkering with technology ever since he worked out how to defeat the parental controls on his parents' internet. He's blogged his way through Apple events and SpaceX launches ever since, and still keeps a bizarre fondness for the Palm Pre.