To travel from Chengdu to Jiuzhaigou, the most efficient and recommended method is taking the high-speed train, which takes approximately 1.5 to 2.5 hours from Chengdu East Railway Station to Huanglongjiuzhai Railway Station. Upon arrival, you can complete the journey with a 2-hour bus or taxi ride directly to the Jiuzhaigou National Park entrance, with bus fares costing around 51 CNY. For those who prioritize speed, a direct flight from Chengdu Tianfu or Shuangliu International Airport to Jiuzhai Huanglong Airport takes about 40 to 60 minutes, followed by a 1.5 to 2-hour shuttle bus or taxi to the park. Budget-conscious travelers can opt for long-distance buses departing from Xinnanmen or Chadianzi bus stations, which take between 7 and 10 hours and cost approximately 130 to 238 CNY. Alternatively, driving or hiring a private car offers maximum flexibility and scenic views over a 415-kilometer route that typically takes around 4.5 to 8 hours depending on traffic and the chosen highway.