Savvy travellers can save about 20 per cent on hotels across the world if they book during periods between May and July, according to a new survey.According to the TripAdvisor’s ‘Best Time to Book’ report booking a hotel within three months of the trip is the best time in Asia when travellers can save 24 per cent versus peak pricing.Also, travellers can save 19 per cent on hotel bookings made in Mumbai if they book within 3 months.The travel planning and booking site based its research on hotel booking and meta click data. They found that the best time periods to book can vary depending on the region or city where the traveller is looking to visit for summer and that for most destinations, the hotel rates change gradually over time, without dramatic increases or decreases in price. “For example, the least expensive time to book hotels in Asia is within 3 months, when travellers can save 24 per cent compared to the most expensive booking period. In comparison, for European hotels, the best time to book is 2-5 months ahead, when travellers can save 26 per cent compared to the peak period,” the research says. Also Read – ‘Playing Jojo was emotionally exhausting’The least expensive time to book hotels in the USA is within 2 months of the trip but hotel prices remain fairly consistent throughout the year, with a relatively modest potential savings of 8 per cent when booking during the least expensive time period.“For the cost conscious Indian traveller, the ‘Best time to book’ report answers the most important question – when to book your hotel stay in order to maximise your savings for summer travel this year,” says Nikhil Ganju, Country Manager, TripAdvisor India. An analysis of hotel booking and interest in nine popular regions around the world found this.