The best month to arrive at Kolkata is January and the most expensive month to fly is April. (Average prices, based on 1250 datapoints.)
The best day to arrive at Kolkata is Sunday and it would be best to avoid Saturday, as prices are on average 29.2% higher than on Sunday. (Average prices, based on 389 datapoints.)
The cheapest airline flying to Kolkata is Biman Bangladesh Airlines. They are 86% cheaper than Emirates. (Average prices, based on 1336 datapoints.)
At Kolkata the most flights depart around 21:00. (Hourly flights, based on 1380 datapoints.)