Ultimately, it depends on your journey itinerary as it is possible to go to the jungle ahead of or after your tours in Cusco. From Lima to Iquitos you'll have extra flights offered and probably also less costly ones than from Cusco to Iquitos. Find out about the area farmers, https://zionxbmmm.creacionblog.com/26623571/indicators-on-peru-amazon-tours-from-cusco-you-should-know