Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Ürümqi (78% of total searches to Xinjiang). The next most popular destinations are Altay (11%) and Kashgar (11%).
KAYAK users have found double rooms in Xinjiang for as cheap as S$ 26 (Ürümqi) in the last 3 days. The average price is S$ 70.