Cheap flights from Mumbai to Kolkata from £45

In general, July is the cheapest month to fly from Mumbai to Kolkata. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £83. If you aren’t able to travel during the month of July, then book flights to Kolkata from Mumbai during August instead. Flights to Kolkata in August, while not as cheap as those in July, still average around £84.

Our data shows that Monday is the least expensive day to fly to Kolkata. Tickets to fly out on this day can be as low as £95. Flights from Mumbai to Kolkata on a Friday will generally be more expensive and average around £156. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Kolkata is in the evening when flights can be purchased for as low as £111. Flights in the afternoon are often more expensive, with an average ticket price of £310.

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 £103 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 £88 on momondo.

There are 2 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 1% on your flight if you consider stops on a Mumbai to Kolkata flight.

As of June 2026, prices for Mumbai to Kolkata flights are approximately 26% cheaper when compared to flights at the same time last year.

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 118 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, Akasa Air have had the fewest delays on this route over the last 12 months, with about 17% of their flights experiencing any sort of delay.

As of June 2026, 34 flights take off from Mumbai and land in Kolkata each day. The most common flight departure time for this route is 06:00, with 33% of daily flights taking off at midday.

As of June 2026, 241 flights take off from Mumbai and land in Kolkata each week. The most common flight departure day for this route is Sat, with 15% of weekly flights taking off on this day.