Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is San Jose (58% of total searches to Silicon Valley). The next most popular destinations are Santa Clara (15%) and Palo Alto (14%). Searches for hotels in Burlingame (12%) are also popular.
KAYAK users have found double rooms in Silicon Valley for as cheap as $52 (San Jose) in the last 3 days. The average price is $453.
In the last 72 hours, users have found Silicon Valley hotels for tonight for as low as $125 (Mountain View). Users have also found 3-star hotels from $125 (Mountain View) and 4-star+ hotels from $223 (Cupertino).