Booking the accommodation for your summer vacation at the best price is a complicated event for all of us. Rather early or rather at the last minute, you never really know when to go ... Fortunately, website planning and booking travel TripAdvisor precisely reveals a report which should simplify our lives. Through a study carried out in 9 countries and 25 tourist cities of the world, we learn which are the most favorable periods to make savings on his stay in the hotel according to the geographical areas . The overall result: accommodation prices are more attractive if booked in June , July and August .

- In the United States , to save about 7% on hotel expenses, it is best to book in the 2 months prior to departure. For New York , you save up to 25% by booking between 2 and 4 months in advance .

- In Europe , the interesting time to book: between 3 and 5 months before departure . This saves an average of 23% . For example, Barcelona saves 27% by booking between 2 and 7 months in advance.

- In Asia , it is advisable to book 3 months before departure. Thus, a saving of 23% can be achieved compared to the tariffs applied during the high period. For Tokyo , we make a reservation between 2 and 5 months before for an average savings of 31% .

- In the Caribbean, it is ideal to book your hotel from 1 to 4 months in advance . This saves up to 7%.

- In South America , you save 20% on average by booking 4 months in advance . To get to Buenos Aires and benefit from the best rates, we reserve between 1 and 4 months before departure, saving 19% .

- In the Middle East , one wins on the price by reserving 4 months before the departure. At the key, 24% savings. Same for those who go at the last minute, we reserve in the last 2 weeks to benefit from a low price.

- In Africa, hotels reserve in the 5 months before or in the last 2 weeks to save 21% . For Cape Town , we reserve 3 months before to get up to 13% savings .

- In the South Pacific, we reserve in the 5 months before the trip to save up to 19% per night. For Sydney, we book our hotel in 5 months to save an average of 34% .