What is the cheapest way to get from Xinyang, Henan to Lhasa?

The plan with the shortest travel distance: Xinyang -> Xi'an -> Lhasa Departure from Xinyang Arrival in Xi'an Travel time Travel distance Interval fare/Hard seat K708/K705 (Anqing - Xi'an) 02:1813:1011 hours 1 Minutes 655 kilometers 92 yuan Transfer train Departing from Xi'an to Lhasa Travel time Travel distance Interval fare/hard seat T222/T223 (Chongqing-Lhasa) 06:51 16:401 day 10 hours 13 minutes 2864 kilometers 296 yuan The shortest travel time plan: Xinyang- > Zhengzhou -> Lhasa Departure from Xinyang Departure from Zhengzhou Travel time Travel distance interval Fare/Hard seat D122 (Hankou - Beijing West) 12:4 214:381 hours 57 minutes 302 kilometers 94 yuan Transfer train Departure from Zhengzhou to Lhasa Travel time Travel distance interval Fare/hard seat T164/T165 (Shanghai-Lhasa) 04:2020:351 days, 16 hours, 21 minutes, 3375 kilometers, 331 yuan, the most economical plan for the trip: Xinyang -> Xi'an -> Lhasa Departure train from Xinyang Arrive in Xi'an Travel time Travel distance Interval fare/Hard seat 1216/1217 (Fuzhou-Xi'an) 04:4715:4011 Hours 2 minutes 655 kilometers 45 yuan Transfer train Departure from Xi'an Arrival in Lhasa Travel time Travel distance Interval fare/Hard seat T222/T223 (Chongqing-Lhasa) 06: 5116:401 days, 10 hours, 13 minutes, 2864 kilometers, 296 yuan