Cheap flights from Kolkata to Mumbai from £69

The cheapest month to fly to Mumbai from Kolkata is in November. Flight prices, which tend to average around £97, are often lower during this time because this is during the off-season. If you’re not able to fly to Mumbai in November, then March is your next best option. Flight prices from Kolkata to Mumbai during March average around £100.

Our data shows that Saturday is the least expensive day to fly to Mumbai. Tickets to fly out on this day can be as low as £174. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Mumbai on Friday is £614.

Our most recent data shows that the best time of day to fly to Mumbai is in the afternoon. Flights from Kolkata to Mumbai during this time can be as low as £309. Flights in the evening are often more expensive, with an average ticket price of £583.

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 £112 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mumbai from Kolkata for as low as £81 on momondo.

There are 2 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 16% on your flight if you consider stops on a Kolkata to Mumbai flight.

As of September 2026, prices for Kolkata to Mumbai flights are approximately 26% 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 116 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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

As of September 2026, there are 21 flights per day flying from Kolkata to Mumbai. The most common time of day flights depart is 21:00, with 40% of flights taking off in the evening.

The number of flights available between Kolkata and Mumbai is 150 per week as of September 2026. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.