Airlines provide both domestic and international flights out of the terminal of San Juan Frontier Airlines SJU Terminal offers standard services like TSA-compliant security checks, counters for checking in bags and boarding passes, and a variety of food selections from regional cuisine to well-known favorites. There is free Wi-Fi available for travelers, and there are charging stations all across the terminal. If you are eligible, explore duty-free stores and unwind in the lounges for a comfortable pre-flight experience. In order to allow enough time for check-in and security procedures, Frontier Airlines passengers departing from SJU Terminal are encouraged to arrive at least two hours before departure.