I am planning on traveling next june of 2008 to pisa italy from Miami Florida and wondering how early should i book my tickets.....Also i would like to know why when i checked the price of tickets one night it was 1500 for 4 people on alitalia ( i checked to make sure it was 4 people ) and then a day or two later the price jumped to 6000 .... i would like to know if i should wait to book it and when should i. thank you ... 10 or whatever is the most points to the best answer !!!!