Earlier, Khan had beaten Asyraf Azan of Malaysia to the semi-final 11-5, 11-6, 11-6.
Khan said his victory was the result of his hard work and he was happy to have won a title for Pakistan.
“I am very happy and I am sure that after this victory, squash in Pakistan will see better days,” Khan said.
He added that his expectations before the start of the tournament were low because he had just recovered from an injury; however, his goal was to win the Asian title for which he worked hard.
In the women’s final, Hong Kong’s Annie Au beat Malaysia’s Low Wee Wern.