Trump's trip to the state follows criticism for his handling of Hurricane Maria, which devastated Puerto Rico last year.
Florence slowly crawled over South and North Carolina, dumping heavy rains on already flood-swollen river basins that authorities warned could bring more death and destruction.
Kerala Chief Secretary Tom Jose said there were an estimated 597,000 people in the temporary relief camps, but the number kept changing.
After two days of cleaning operations, the CIAL management held a meeting with stakeholders including airlines and ground handling agencies, to review the damage.
The cheque will be handed over to Kerala Chief Minister Pinarayi Vijayan by employee representatives of Kalyan Jewellers in Thiruvananthapuram.