More than 100 locations in the United States, Mexico, Central America, Where Dose Frontier Fly? and the Caribbean are served by Frontier Airlines flights. Three significant hubs are in Denver, Orlando, and Las Vegas. In the United States, Frontier links several regional areas with major cities including New York, Chicago, and Los Angeles. It caters to tourists from across the world, including those visiting Cancún, Puerto Vallarta, and Montego Bay, as well as locations in Central America including San José and Guatemala City. Frontier specializes on offering low-cost, straightforward travel options to popular tourist locations as well as large cities.