Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Rapid City (35% of total searches to South Dakota). The next most popular destinations are Sioux Falls (32%) and Deadwood (26%). Searches for hotels in Keystone (7%) are also popular.
KAYAK users have found double rooms in South Dakota for as cheap as $48 (Sioux Falls) in the last 3 days. The average price is $137.
In the last 72 hours, users have found South Dakota hotels for this weekend for as low as $43 (Rapid City) per night. Users have also found 3-star hotels from $69 (Rapid City) and 4-star+ hotels from $124 (Rapid City).