From most locations, the cheapest flights to Chennai can be found during the month of October; however great deals can be found at other times.
On average, from most locations, when planning your trip to Chennai, try to book your flight in the region of 56 days in advance for the cheapest prices.
On average, the cheapest flights to Chennai are found when departing on a Friday. Try to avoid departing on a Monday, as this is usually the most expensive day.
On average you can find the best deals on plane tickets to Chennai when looking for flights with afternoon departure times.