Cheap flights from New Delhi to Kolkata from ₹ 6,379

If you are unable to visit Kolkata during the month of February, then departing from New Delhi during the month March is also very affordable. Most momondo users find prices during this month for around ₹ 10,569.

The cheapest day to depart on your flight to Kolkata is on a Thursday when prices can be found for as low as ₹ 14,649. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New Delhi to Kolkata for around ₹ 16,359.

According to our data, the cheapest time of day to fly to Kolkata is in the afternoon. momondo users have found flights departing from New Delhi to Kolkata in the afternoon for as low as ₹ 13,171. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Kolkata, so prices are often more expensive at around ₹ 18,282 per ticket.

Fly from New Delhi Indira Gandhi Intl to Kolkata Netaji S. Chandra for the best New Delhi Indira Gandhi Intl - Kolkata Netaji S. Chandra flight prices

You are more likely to see cheaper flights to Kolkata from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around ₹ 12,362 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from New Delhi for as low as ₹ 11,140 on momondo.

There are 3 cabin classes available to choose from on New Delhi to Kolkata 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 24% on your flight if you consider stops on a New Delhi to Kolkata flight.

As of October 2026, prices for New Delhi to Kolkata flights are approximately 17% cheaper when compared to flights at the same time last year.

IndiGo is the most popular carrier operating from New Delhi Indira Gandhi Intl to Kolkata Netaji S. Chandra

IndiGo, SpiceJet and Air India are the top three most popular airlines that fly to Kolkata from New Delhi according to our data. IndiGo is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Kolkata. Keep in mind that there are 5 different airlines that fly to Kolkata on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between New Delhi and Kolkata have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

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

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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 15% of their flights experiencing any sort of delay.

The number of flights available between New Delhi and Kolkata is 64 per day as of October 2026. The most frequent departure time is 02:00, with 28% of daily flights leaving at midday.

As of October 2026, there are 452 flights per week flying from New Delhi to Kolkata. The most common day of the week flights depart is Thu, with 15% of flights taking off on this day.