Frontier Airlines Earlyreturns: The Complete Guide

Known for its budget-friendly fares, Frontier Airlines serves more than 80 cities in the U.S. and a handful of foreign destinations, including Cabo San Lucas, Puerto Vallarta and Cancun in Mexico as well as Puerto Rico and the Dominican Republic. It operates a hub in Denver and has multiple “focus cities” throughout the country, including Chicago and Orlando.... Chanelle Bessette is a writer at NerdWallet.