Spring is soon coming to an end and as the sunshine of the warmer months approaches it’s time to start dreaming of your summer holidays. ADVERTISEMENT ADVERTISEMENT With one of the busiest seasons in the travel calendar now on the horizon, Skyscanner has released its Smarter Summer Report . Landing just in time to secure "sunny season" savings, the handy guide for British travellers reveals the best times to book and picks out Europe’s top destinations, including cheaper alternatives. Dates for