Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Interlaken (43% of total searches to Swiss Alps). The next most popular destinations are Zermatt (36%) and Grindelwald (12%). Searches for hotels in Lauterbrunnen (9%) are also popular.
KAYAK users have found double rooms in Swiss Alps for as cheap as S$ 69 (Pontresina) in the last 3 days. The average price is S$ 648.