Iberia Airlines SIN Terminal is based out of Singapore's Changi Airport (SIN), which is renowned for its excellent facilities and efficiency. SIN Terminal The Iberia check-in area offers a simplified experience for travelers, accompanied by friendly staff. Passengers can work comfortably in the lounge, which also provides drinks and desks. The terminal offers a variety of contemporary amenities, such as shops and eateries offering both international and regional cuisine. Iberia prioritizes providing excellent customer service to ensure that the entire experience is pleasurable. SIN is a fantastic starting point for seeing Spain and other destinations, whether traveling for work or leisure.