Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Chennai (84% of total searches to Tamil Nadu). The next most popular destinations are Mahabalipuram (6%) and Ooty (5%). Searches for hotels in Coimbatore (5%) are also popular.
KAYAK users have found double rooms in Tamil Nadu for as cheap as $6 (Auroville) in the last 3 days. The average price is $72.
In the last 72 hours, users have found Tamil Nadu hotels for tonight for as low as $8 (Palani). Users have also found 3-star hotels from $9 (Mahabalipuram) and 4-star+ hotels from $11 (Auroville).