Frontier Airlines operates out of Terminal A at LaGuardia Airport (LGA) in New York City. Frontier Airlines LGA Terminal Known as the Marine Air Terminal, this historic terminal offers a convenient and streamlined travel experience. Terminal A features basic amenities, including dining options and seating areas, ensuring a comfortable wait for travelers. Frontier Airlines provides budget-friendly domestic flights, catering to cost-conscious passengers. The terminal’s proximity to Manhattan and efficient operations make it a preferred choice for travelers seeking affordable and accessible air travel.