Flights from Bengaluru to Kolkata connect India's tech capital in southern Karnataka with the cultural capital of eastern India. Non-stop flights depart from Kempegowda International Airport (BLR) and arrive at Netaji Subhas Chandra Bose International Airport (CCU), with a flight time of around 2 hours 40 minutes. IndiGo operates the most frequent services on this route. One-way fares start from ₹5,974, though prices vary depending on the season, day of the week, and how far in advance you book. We track this route daily — check the price calendar below to find the cheapest dates.
Airlines on this route
Frequently Asked Questions
What is the cheapest month to fly from Bengaluru to Kolkata?
June typically offers the lowest fares on this route, with prices starting from ₹5,974. Booking 4-6 weeks in advance gives you the best chance of securing these rates.
How much does a Bengaluru to Kolkata flight cost?
One-way flights from Bengaluru to Kolkata typically cost between ₹5,974 and ₹11,385. Prices vary by season, airline, and how far in advance you book. Use our price calendar to spot the cheapest dates.
Which airline is cheapest for Bengaluru to Kolkata flights?
With 6 carriers on this route, there's strong price competition. IndiGo and Air India generally have the lowest base fares, while Air India includes checked baggage and meals at a slightly higher price point. Budget carriers like Vistara run frequent sales worth watching.
How far in advance should I book Bengaluru to Kolkata flights?
For the best fares, book 4-6 weeks in advance. Last-minute domestic bookings can cost 40-60% more, especially during holidays and long weekends. Tuesday and Wednesday departures tend to be cheapest.
Are there direct flights from Bengaluru to Kolkata?
Yes, non-stop flights operate between Kempegowda International Airport and Netaji Subhas Chandra Bose International Airport. IndiGo runs the most frequent non-stop service, with a flight time of about 2 hours 40 minutes.
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Last updated: April 2026