The airport catered to more than 41 million passengers per year before the Covid-19 pandemic.
Passenger numbers at the airport gradually recovered as the lockdown was eased, said Sumpun. The airport currently serves 220 flights and 45, 000 passengers daily.
That compares with 700 flights and 120,000 passengers before the outbreak.
The airport is ready to serve foreign passengers when the government implements the travel bubble policy, he added.