Cheap flights from Mumbai to Kolkata from ₹ 5,945

If you are unable to visit Kolkata during the month of July, then departing from Mumbai during the month August is also very affordable. Most momondo users find prices during this month for around ₹ 10,740.

The cheapest day to depart on your flight to Kolkata is on a Friday when prices can be found for as low as ₹ 13,879. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Mumbai to Kolkata for around ₹ 15,530.

According to our data, the cheapest time of day to fly to Kolkata is in the evening. momondo users have found flights departing from Mumbai to Kolkata in the evening for as low as ₹ 12,863. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to Kolkata, so prices are often more expensive at around ₹ 15,873 per ticket.

Fly from Mumbai Chhatrapati Shivaji Intl to Kolkata Netaji S. Chandra for the best Mumbai Chhatrapati Shivaji Intl - Kolkata Netaji S. Chandra flight prices

You are more likely to see cheaper flights to Kolkata from Mumbai when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around ₹ 13,137 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 Mumbai for as low as ₹ 11,890 on momondo.

Akasa Air, IndiGo, and SpiceJet are the most popular carriers operating from Mumbai Chhatrapati Shivaji Intl to Kolkata Netaji S. Chandra

IndiGo, Akasa Air and SpiceJet are the top three most popular airlines that fly to Kolkata from Mumbai according to our data. IndiGo is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Kolkata. Keep in mind that there are 4 different airlines that fly to Kolkata on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Mumbai and Kolkata have experienced a delay on any given week. The average delay length over the past 12 months has been 117 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. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Air India have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of May 2026, there are 33 flights per day flying from Mumbai to Kolkata. The most common time of day flights depart is 19:00, with 28% of flights taking off at midday.

As of May 2026, there are 234 flights per week flying from Mumbai to Kolkata. The most common day of the week flights depart is Sat, with 15% of flights taking off on this day.