How many hours does Xi 'an fly to South Korea?

2-3 hours. According to Baidu map, Xi is a prefecture-level city under the jurisdiction of Shaanxi Province. Xi 'an is 3500 kilometers away from South Korea, and it takes 2-3 hours by plane. You can choose Busan Airlines BX342 route. Xi 'an, located in the middle of Guanzhong Plain, is one of the three international metropolises explicitly built by the country and a national central city.