Is Colombo Airport open 24/7?

Bandaranaike International Airport (BIA) runs 24 hours a day, 7 days a week, and it basically keeps everything steady while lots of international flights land and depart in the late-night plus early morning window. At any hour, the main passenger services stay active, with no shutdowns or gaps.

You will regularly come across currency exchange counters, telecom kiosks for SIM card purchases, duty-free shops, and the official taxi dispatch desks working whenever your own flight touches down.