Take K192, K776, K202 (the shortest ride above) to Chongqing in Guangzhou. The fare is 200 for hard seat and 339 for hard sleeper. Take a bus in Chongqing North to Luzhou.
Option 2: By car, take a direct bus to Luzhou at Guangzhou Long-distance Bus Station or Guangdong Long-distance Bus Station (next to Guangzhou Railway Station), about 33 hours. The fare is about 360.
Option 3: By plane, take Air China flight CA4340 (13:40), arriving at Luzhou Lantian Airport at 15:35, with a ticket price of RMB 919.