Cheap flights from Mumbai to Kolkata from $64

The month of August is, on average, the cheapest month to fly to Kolkata from Mumbai, with most prices found around $113. If you aren’t able to travel during the month of August, then book flights to Kolkata from Mumbai during January instead. Flights to Kolkata in January, while not as cheap as those in August, still average around $126.

On average, the least expensive day to fly to Kolkata from Mumbai is on a Thursday. momondo users have found tickets for Thursday departures for as low as $165. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Wednesday is $261.

In the afternoon is the cheapest time of day to fly from Mumbai to Kolkata when you can find flight prices for as low as $155. Flying to Kolkata in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly at noon, with an average ticket price of $806. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $138 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Mumbai for as low as $114 on momondo.

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

As of August 2026, prices for Mumbai to Kolkata flights are approximately 28% cheaper when compared to flights at the same time last year.

Historically, on average around 21% 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 119 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.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Akasa Air 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.

24 flights are operational daily from Mumbai to Kolkata as of August 2026. The most popular departure time for this route is 5:00AM, with 37% of flights per day taking off at noon.

171 flights are operational weekly from Mumbai to Kolkata as of August 2026. The most popular departure day for this route is Fri, with 19% of flights per week taking off on this day.