Cheap flights from New Delhi to Kolkata from £42

In general, February is the cheapest month to fly from New Delhi to Kolkata. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £81. If you aren’t able to travel during the month of February, then book flights to Kolkata from New Delhi during March instead. Flights to Kolkata in March, while not as cheap as those in February, still average around £82.

Our data shows that Sunday is the least expensive day to fly to Kolkata. Tickets to fly out on this day can be as low as £83. Flights from New Delhi to Kolkata on a Friday will generally be more expensive and average around £183. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Kolkata is in the morning when flights can be purchased for as low as £84. Flights in the afternoon are often more expensive, with an average ticket price of £132.

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 £95 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 £89 on momondo.

You could potentially save up to 18% on your flight if you consider stops on a New Delhi to Kolkata flight.

As of May 2026, prices for New Delhi to Kolkata flights are approximately 10% cheaper when compared to flights at the same time last year.

Historically, on average around 20% 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 113 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.

Sunday 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 17% of their flights experiencing any sort of delay.

As of May 2026, 82 flights take off from New Delhi and land in Kolkata each day. The most common flight departure time for this route is 02:00, with 26% of daily flights taking off at midday.

As of May 2026, 580 flights take off from New Delhi and land in Kolkata each week. The most common flight departure day for this route is Fri, with 15% of weekly flights taking off on this day.