Users can choose their origin and destination airports and see how the average prices have changed and demand has differed to hundreds of destinations. The data, gleaned from Kayak’s 1.5 billion search results each year, goes as far back as January 2014 and also predicts prices in the future – as far in advance as December 2018. Announcing the new tool, Kayak released data that shows flights from London to Melbourne can cost up to £363 less in May (£586) compared to December, when flights will cost an average of £949 - saving savvy shoppers 38%. Get the full story at Travolution