Cheap flights from Bengaluru to Kolkata from $75

The month of July is, on average, the cheapest month to fly to Kolkata from Bengaluru, with most prices found around $133. If you aren’t able to travel during the month of July, then book flights to Kolkata from Bengaluru during August instead. Flights to Kolkata in August, while not as cheap as those in July, still average around $134.

On average, the least expensive day to fly to Kolkata from Bengaluru is on a Tuesday. momondo users have found tickets for Tuesday 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 Friday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Friday is $317.

In the morning is the cheapest time of day to fly from Bengaluru to Kolkata when you can find flight prices for as low as $181. Flying to Kolkata in the morning 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 $730. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Bengaluru Intl to Kolkata Netaji S. Chandra for the best Bengaluru Intl - Kolkata Netaji S. Chandra flight prices

You are more likely to see cheaper flights to Kolkata from Bengaluru when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around $150 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Bengaluru for as low as $81 on momondo.

There is only 1 cabin class available to choose from on Bengaluru to Kolkata flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 11% of flights between Bengaluru and Kolkata have experienced a delay on any given week. The average delay length over the past 12 months has been 121 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.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday 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 8% of their flights experiencing any sort of delay.

The number of flights available between Bengaluru and Kolkata is 58 per day as of November 2026. The most frequent departure time is 6:00AM, with 43% of daily flights leaving at noon.

407 flights are operational weekly from Bengaluru to Kolkata as of November 2026. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.