Booking flights to Chennai a month ahead saves about 24% over last-minute fares

An analysis of advertised fares on 28 October 2026 found that booking a flight into Chennai 30 days in advance cost 23.9 per cent less than booking the day before. Measured across seven routes, this saving was 10.2 percentage points higher than the national network figure of 13.7 per cent. The lowest fares across these routes were found 60 days before departure. All seven routes were cheaper when booked 30 days ahead compared with the day before.