The operations of the airport have been suspended till Saturday afternoon.
Indian Meteorological Department has issued red alert in Kerala (heavy to very heavy rainfall in most places) for Wayanad, Kozhikode, Kannur, Kasargode, Malappuram, Palakkad, Idukki and Ernakulam Districts till tomorrow, reports ANI.
Flights are being diverted to other airports as the state has been battered by torrential rains since August 8.
The Cochin International Airport Limited (CIAL), which decided to suspend the arrival operations at 4 am to 7 am today as a precautionary measure, had earlier said the airport would be shut till 2 pm.
It later issued another advisory saying the operations have been suspended till Saturday.
The death toll in Kerala has risen to 44 and there is no let up in heavy rains.