Cheap flights from New Delhi to Kolkata from $51

The month of February is, on average, the cheapest month to fly to Kolkata from New Delhi, with most prices found around $110. 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 $111.

On average, the least expensive day to fly to Kolkata from New Delhi is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $137. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Saturday is $224.

In the afternoon is the cheapest time of day to fly from New Delhi to Kolkata when you can find flight prices for as low as $133. Flying to Kolkata in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly in the evening, with an average ticket price of $236. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $127 when searching weeks out. 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 $118 on momondo.

Historically, on average around 19% 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 111 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon 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. Thursday 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 16% of their flights experiencing any sort of delay.

As of May 2026, there are 80 flights per day flying from New Delhi to Kolkata. The most common time of day flights depart is 2:00AM, with 27% of flights taking off in the afternoon.

The number of flights available between New Delhi and Kolkata is 560 per week as of May 2026. The most frequent departure day is Thu, with 15% of weekly flights leaving on this day.