Cheap flights from New Delhi to Chennai from ₹ 7,441

The month of February is another great option to travel to Chennai, with average flight prices from New Delhi averaging around ₹ 12,878.

On average, the least expensive day to fly to Chennai from New Delhi is on a Friday. momondo users have found tickets for Friday departures for as low as ₹ 15,492. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from New Delhi to Chennai on a Sunday will generally be more expensive and average around ₹ 18,011. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest New Delhi to Chennai flights are usually those with departure times in the morning. Our users have found flights to Chennai in the morning for as low as ₹ 14,636. Try not to purchase tickets in the evening because they tend to be around ₹ 19,699. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from New Delhi Indira Gandhi Intl to Chennai for the best New Delhi Indira Gandhi Intl - Chennai flight prices

You are more likely to see cheaper flights to Chennai from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around ₹ 14,516 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from New Delhi for as low as ₹ 13,641 on momondo.

There are 4 cabin classes available to choose from on New Delhi to Chennai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 36% on your flight if you consider stops on a New Delhi to Chennai flight.

As of August 2026, prices for New Delhi to Chennai flights are approximately 25% cheaper when compared to flights at the same time last year.

IndiGo and Air India are the most popular carriers operating from New Delhi Indira Gandhi Intl to Chennai

IndiGo, Air India and SpiceJet are the top three most popular airlines that fly to Chennai from New Delhi according to our data. IndiGo is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Chennai. Keep in mind that there are 4 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between New Delhi and Chennai have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, IndiGo have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

As of August 2026, there are 51 flights per day flying from New Delhi to Chennai. The most common time of day flights depart is 07:00, with 48% of flights taking off at midday.

363 flights are operational weekly from New Delhi to Chennai as of August 2026. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.