Most travelers find the cheapest round-trip airfare to Kolkata when booking during the month of March.
On average, from most locations, when planning your trip to Kolkata, try to book your flight in the region of 60 days in advance for the cheapest prices.
On average, the cheapest flights to Kolkata are found when departing on a Tuesday. Try to avoid departing on a Saturday, as this is usually the most expensive day.
Typically, cheap prices to Kolkata are most often found for morning flights. Cheap prices are less likely for afternoon flights.