Cheap flights from New Delhi to Chennai from $86

In general, March is the cheapest month to fly from New Delhi to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $130. If you’re not able to fly to Chennai in March, then February is your next best option. Flight prices from New Delhi to Chennai during February average around $134.

The cheapest day to depart on your flight to Chennai is on a Tuesday when prices can be found for as low as $146. This is often the case because there is less demand to fly during this day of the week. Flights from New Delhi to Chennai on a Thursday will generally be more expensive and average around $209. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

At noon is the cheapest time of day to fly from New Delhi to Chennai when you can find flight prices for as low as $164. Flying to Chennai at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Chennai is in the evening when prices are around $194.

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 $161 when searching weeks out. 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 $142 on momondo.

There are 3 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.

No. A direct flight is the cheapest option for a flight between New Delhi to Chennai.

As of September 2026, prices for New Delhi to Chennai flights are approximately 8% cheaper when compared to flights at the same time last year.

Historically, on average around 17% 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 in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

The number of flights available between New Delhi and Chennai is 50 per day as of September 2026. The most frequent departure time is 7:00AM, with 51% of daily flights leaving at noon.

As of September 2026, there are 351 flights per week flying from New Delhi to Chennai. The most common day of the week flights depart is Fri, with 15% of flights taking off on this day.