Customers traveling to and from this well-liked Caribbean location can get assistance and services from the Frontier Airlines San Juan office located in San Juan, Puerto Rico. The office at Luis Muñoz Marín International Airport (SJU) helps with general customer service issues, baggage inquiries, tickets, and flight adjustments. Frontier Airlines is well-known for its straightforward, low-cost flights, providing inexpensive travel alternatives to a wide range of US destinations. The San Juan office makes sure that travelers using Frontier Airlines have a seamless journey and dependable help.