Chennai to Delhi Flights in December 2026

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

Quick answer

The cheapest round-trip flight from Chennai to Delhi in December 2026 is ₹20,765, for 15 – 22 Dec 2026 on IndiGo (1 stop).

We priced 4 date options in December; the average is ₹20,773 and 1 are non-stop.

Fares seen checked 8h ago. Prices change often; confirm before booking.

Cheapest Chennai to Delhi fares in December 2026

15 – 22 Dec 2026 · 7 nightsIndiGo · 1 stop · 3h 50m₹20,765

15 – 20 Dec 2026 · 5 nightsIndiGo · 1 stop · 3h 50m₹20,765

15 – 18 Dec 2026 · 3 nightsIndiGo · 1 stop · 3h 50m₹20,765

28 Dec 2026 – 2 Jan 2027 · 5 nightsAir India · Non-stop · 3h 10m₹20,798

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

Round-trip fares start at ₹20,765 for 15 – 22 Dec 2026 on IndiGo. The average of the 4 dates we priced is ₹20,773.

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

Yes. 1 of 4 priced dates are non-stop, from ₹20,798.

Which month is cheapest to fly from Chennai to Delhi?

October 2026 is the cheapest month we have priced, from ₹18,809.

Which airlines fly from Chennai to Delhi?

For December we priced IndiGo, Air India.