Chennai flight fares are 24 per cent cheaper when booked 30 days ahead
Booking flights to Chennai a month in advance offers greater savings than the national average across seven routes, according to The Times of India.
Advertised fares for all seven routes into Chennai on the morning of 4 November 2026 show that booking 30 days before departure is 24.2 per cent cheaper than booking the day before. This saving is 10.8 percentage points higher than the 13.4 per cent difference seen across the broader national network.
According to The Times of India, the cheapest time to book for Chennai is 60 days before departure, when the fare-time index hits 74.5. At this same 60-day mark, the national network index stands at 86.1.
The Ahmedabad to Chennai route has the highest price increase for last-minute travellers. On this route, which has three daily flights, booking the day before costs 59.5 per cent more than booking 30 days in advance.
In contrast, the Bengaluru to Chennai route, which has 15 flights per day, shows the smallest price jump. For this route, a day-before booking is only 4.9 per cent more expensive than one made 30 days earlier.
Other routes into Chennai include Mumbai with 12 daily flights, Delhi with 11, Hyderabad with 8, Kolkata with 7, and Pune with two flights per day. The data is based on the Decimal Point Analytics Airline Price Index, which uses advertised median fares.