Flying with Frontier Airlines from JFK? The frontier airlines terminal JFK is none other than Terminal 5, shared with JetBlue at John F. Kennedy International Airport. From easy check-in options to quick security lines, the Frontier Airlines JFK Terminal offers a hassle-free start to your trip. Whether you're looking for dining spots or wondering what terminal is Frontier Airlines at JFK, Terminal 5 has you covered. Learn how to navigate to the Frontier airlines terminal jfk, including transportation tips, amenities, and everything else to ensure a smooth airport experience.