Use onclick to make whole canvas to be linked to another page/ url as shown below,
<div id="chartContainer" onclick="redirect()"></div>
then add a function “redirect” to your javascript code, which will contain a link to another page/ url
function redirect()
{
window.location = "https://canvasjs.com/" ;// loads webpage in the current tab
// window.open = "https://canvasjs.com/" ;// loads webpage in the new tab
}