The most efficient way to travel from Chengdu to Jiuzhaigou is by high-speed train, a journey that takes approximately 1.5 to 2.5 hours from Chengdu East Railway Station to Huanglongjiuzhai Railway Station. Upon arrival, you must transfer to a bus or taxi for a final 2-hour drive to reach the Jiuzhaigou National Park entrance, with bus tickets costing around 51 CNY. For those prioritizing speed, direct flights from Chengdu Tianfu or Shuangliu International Airport take about 40 to 60 minutes, followed by a 1.5 to 2-hour drive to the park. Alternatively, budget-conscious travelers can take a direct long-distance bus from Chengdu's Xinnanmen or Chadianzi stations, which takes roughly 8 to 10 hours and costs between 168 and 238 CNY.