Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is St. Moritz (85% of total searches to Engadin). The next most popular destinations are Davos (6%) and Celerina/Schlarigna (6%). Searches for hotels in Pontresina (3%) are also popular.
KAYAK users have found double rooms in Engadin for as cheap as $193 (Pontresina) in the last 3 days. The average price is $394.