Flying with Frontier Airlines from New York? Here's everything you need to know about the Frontier Airlines JFK Terminal. Frontier operates from Terminal 1 at John F. Kennedy International Airport (JFK). The Frontier Airlines Terminal at JFK offers convenient services including check-in counters, baggage drop, TSA security, dining, shopping, free Wi-Fi, and more. Whether you're arriving or departing, knowing your way around the frontier airlines terminal JFK helps ensure a smoother journey. Be sure to arrive early, especially during peak hours, and always confirm terminal details before your trip as assignments can occasionally change. This guide answers the common question: what terminal is Frontier Airlines at JFK?