Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Chennai (54% of total searches to Tamil Nadu). The next most popular destinations are Velankanni (26%) and Ooty (11%). Searches for hotels in Kodaikanal (9%) are also popular.
KAYAK users have found double rooms in Tamil Nadu for as cheap as €6 (Chennai) in the last 3 days. The average price is €60.