Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Rapid City (37% of total searches to South Dakota). The next most popular destinations are Sioux Falls (35%) and Deadwood (20%). Searches for hotels in Keystone (8%) are also popular.
KAYAK users have found double rooms in South Dakota for as cheap as $50 (Sturgis) in the last 3 days. The average price is $192.
In the last 72 hours, users have found South Dakota hotels for tonight for as low as $81 (Kadoka).
In the last 72 hours, users have found South Dakota hotels for this weekend for as low as $64 (Mitchell) per night. Users have also found 3-star hotels from $147 (Rapid City) and 4-star+ hotels from $104 (Pierre).