Thursday is generally a great day to depart. Flying on this day could help you save up to 9%.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Calcutta. Flights to Calcutta from St Louis in March are about $1,053 on average during March, but can be found for as low as $799.
It’s typically best to fly out from St Louis to Calcutta at noon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.