Chishui has convenient traffic. You could fly to Chongqing or Luzhou in Sichuan Province then take buses to Chishui (about 2 hours). Chishui City is only 70km away from Luzhou airport.
There are lots of shuttle buses between Cihshui and these cities:
Chongqing (Caiyuanba) to Chishui: 290km, 5 hours
Zunyi to Chishui: 290km, 6 hours
Chengdu to Chishui: 400km, 6.5 hours
Guiyang to Chishui: 420km, 8 hours