Traveling from Chengdu to Tibet is highly convenient via flight, train, or overland routes, though all foreign travelers must first obtain a Tibet Travel Permit through a registered travel agency. The fastest method is taking a direct flight from either Chengdu Shuangliu (CTU) or Chengdu Tianfu (TFU) International Airports to Lhasa Gonggar Airport, a journey of approximately 2 to 2.5 hours with over 30 daily departures. For a more scenic experience, the Z322 express train departs every other day from Chengdu West Railway Station, taking about 34 to 36 hours to reach Lhasa while crossing the stunning high-altitude Qinghai-Tibet Railway. Adventurous travelers can also opt for an overland journey via the G318 Southern Route or G317 Northern Route, which typically takes 7 to 10 days and offers dramatic landscapes, though this requires a guided tour. While buses are available and take about 34 hours, they are generally less recommended for international tourists due to the complexity of permits and comfort. Regardless of the method, it is essential to plan for altitude acclimatization, as Lhasa sits at over 3,600 meters.