The best month to arrive at Kolkata is September and the most expensive month to fly is October. (Average prices, based on 242 datapoints.)
The best day to arrive at Kolkata is Monday and it would be best to avoid Friday, as prices are on average 39.45% higher than on Monday. (Average prices, based on 1004 datapoints.)
The cheapest airline flying to Kolkata is Biman Bangladesh Airlines. They are 86% cheaper than Emirates. (Average prices, based on 326 datapoints.)
At Kolkata the most flights depart around 06:00. (Hourly flights, based on 352 datapoints.)