Cheap flights from Kolkata to Mumbai from $81

If you aren’t able to travel during the month of September, then book flights to Mumbai from Kolkata during November instead. Flights to Mumbai in November, while not as cheap as those in September, still average around $130.

On average, the least expensive day to fly to Mumbai from Kolkata is on a Thursday. momondo users have found tickets for Thursday departures for as low as $236. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Mumbai on Sunday is $1,090.

In the morning is the cheapest time of day to fly from Kolkata to Mumbai when you can find flight prices for as low as $174. Flying to Mumbai in the morning is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Mumbai, so prices are often more expensive at around $1,077 per ticket.

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

You are more likely to see cheaper flights to Mumbai from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to Mumbai for around $143 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mumbai from Kolkata for as low as $108 on momondo.

There are 3 cabin classes available to choose from on Kolkata to Mumbai 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 37% on your flight if you consider stops on a Kolkata to Mumbai flight.

As of August 2026, prices for Kolkata to Mumbai flights are approximately 7% cheaper when compared to flights at the same time last year.

Historically, on average around 18% of flights between Kolkata and Mumbai 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 in the evening have, in the past, seen delays more frequently in comparison.

Saturday 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, IndiGo have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

28 flights are operational daily from Kolkata to Mumbai as of August 2026. The most popular departure time for this route is 5:00PM, with 38% of flights per day taking off in the evening.

As of August 2026, there are 200 flights per week flying from Kolkata to Mumbai. The most common day of the week flights depart is Wed, with 18% of flights taking off on this day.