The average price to buy flats in Chennai varies from ?25 lakh to ?5 crore, depending on location and amenities. Suburban areas like Guduvanchery offer flats under ?30 lakh, while prime spots like Nungambakkam or Adyar can exceed ?1 crore. Luxury flats with high-end finishes may cost more. Prices depend on factors like size, builder reputation, and proximity to key areas. Researching specific projects helps when you plan to buy flats in Chennai within your budget.