If you’re wondering What Terminal is IndiGo Airlines at IST, IndiGo operates from Terminal 1 at Istanbul Airport (IST). Terminal 1 is designed to provide passengers with a seamless travel experience, featuring efficient check-in counters, streamlined security procedures, and easy access to boarding gates. Passengers flying with IndiGo can benefit from modern facilities, comfortable waiting areas, and helpful customer service staff to ensure a smooth journey. Whether arriving or departing, Terminal 1 offers convenience and accessibility tailored to IndiGo travelers.