Allegiant Air John F Kennedy International Airport Terminal – JFK provides essential services for a smooth and stress-free journey. Passengers can access baggage services, TSA checkpoints, lounges, food courts, and ground transportation options directly from the terminal. Terminal 1, known for its international carriers, offers a variety of amenities including duty-free shopping and multiple dining options, while Terminal 5—JetBlue’s hub—features modern design and tech-friendly services such as fast Wi-Fi and electronic charging stations. No matter which terminal Allegiant uses, passengers are encouraged to arrive at least two hours before departure due to JFK’s high traffic volume.