Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Interlaken (50% of total searches to Jungfrau). The next most popular destinations are Lauterbrunnen (30%) and Grindelwald (21%). Searches for hotels in Leissigen (0%) are also popular.
KAYAK users have found double rooms in Jungfrau for as cheap as $103 (Interlaken) in the last 3 days. The average price is $918.