At Luis Muñoz Marín International Airport (SJU), the Frontier Airlines SJU Terminal is located in Terminal A. With amenities including self-service kiosks, check-in counters, and baggage claim areas, the terminal provides travelers flying with Frontier with a useful and efficient space. Passengers who prioritize low-cost travel should expect a streamlined experience that includes options for seat upgrades and extra costs for checked bags. Although low-cost airlines utilize Terminal A the most, its facilities ensure that passengers may easily pass security and take advantage of cozy waiting areas before to their flights. In mainland cities as well as overseas, Frontier plays a significant role in airport operations. SJU's Terminal A provides employees and commuters with a convenient and comfortable environment while focusing on affordable travel options.