Delhi to Chennai Flights in December 2026

Round-trip fares, airlines and dates for December 2026, refreshed nightly.

Quick answer

The cheapest round-trip flight from Delhi to Chennai in December 2026 is ₹20,326, for 15 – 20 Dec 2026 on Air India (non-stop).

We priced 4 date options in December; the average is ₹20,452 and 4 are non-stop.

Fares seen checked 10h ago. Prices change often; confirm before booking.

Cheapest Delhi to Chennai fares in December 2026

15 – 20 Dec 2026 · 5 nightsAir India · Non-stop · 2h 50m₹20,326

15 – 18 Dec 2026 · 3 nightsAir India · Non-stop · 2h 50m₹20,326

15 – 22 Dec 2026 · 7 nightsAir India · Non-stop · 2h 50m₹20,359

28 Dec 2026 – 2 Jan 2027 · 5 nightsAir India · Non-stop · 2h 45m₹20,798

How much is a flight from Delhi to Chennai in December?

Round-trip fares start at ₹20,326 for 15 – 20 Dec 2026 on Air India. The average of the 4 dates we priced is ₹20,452.

Are there non-stop flights from Delhi to Chennai in December?

Yes. 4 of 4 priced dates are non-stop, from ₹20,326.

Which month is cheapest to fly from Delhi to Chennai?

January 2027 is the cheapest month we have priced, from ₹18,856.

Which airlines fly from Delhi to Chennai?

For December we priced Air India.