If you are flying to or from Manila on an international ticket, there is a good chance you will pass through Terminal 1 at Ninoy Aquino International Airport (NAIA). Terminal 1 is the airport’s original international gateway, and in 2026 it has quietly become one of the most interesting corners of NAIA: new airlines moved in, others moved out, and a wave of upgrades has changed how arrivals and departures feel. This guide walks you through everything a traveler needs to know. You will find a quick history, the current list of airlines, a plain-language map of the building, transport options, step-by-step survival guides for both departures and arrivals, food…