Ultimately, it depends upon your travel itinerary as you can stop by the jungle just before or just after your tours in Cusco. From Lima to Iquitos you will have more flights out there and probably also less costly types than from Cusco to Iquitos. Fue un viaje muy lindo https://juliusbgiih.vidublog.com/26359153/a-simple-key-for-peru-amazon-tours-from-lima-unveiled