How to get a cost-effective flight from Kunming to Jinzhou?

Transfer to Beijing. Ctrip travel information shows that the ticket from Kunming to Beijing is also from 650 yuan, and the ticket from Kunming to Beijing is usually discounted by many large flights, which is more cost-effective than direct flights to Jinzhou. Jinzhou is a prefecture-level city under the jurisdiction of Liaoning Province, a central city in western Liaoning approved by the State Council, an important industrial city in Liaoning and a transportation hub city in Northeast China.