Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Queenstown (44% of total searches to South Island). The next most popular destinations are Christchurch (37%) and Lake Tekapo (10%). Searches for hotels in Wanaka (9%) are also popular.
KAYAK users have found double rooms in South Island for as cheap as £38 (Hanmer Springs) in the last 3 days. The average price is £114.
In the last 72 hours, users have found South Island hotels for tonight for as low as £31 (Fairlie). Users have also found 3-star hotels from £43 (Greymouth) and 4-star+ hotels from £50 (Hanmer Springs).