Traditional Culture Encyclopedia - Tourist attractions - What is the most economical route from Luzhou to Qingdao?

What is the most economical route from Luzhou to Qingdao?

K9469 longchang-Chongqing 12: 38-17: 15 4: 37 hard seat? 4.5

K82 Chongqing North-Zhengzhou 21: 53-13: 3+1 hard seat at 15: 37? 156.5 hard sleeper? 288.5

T16 Zhengzhou-Qingdao 16: 43-5: 35+1 hard seat at 12: 52? 138.5 hard sleeper? 255.5

Chongqing-Qingdao

215-5-11 19:45 Jiangbei Airport

215-5-11 22:5 Liuting Airport

5 yuan includes all expenses.