Frontier Airlines CEO Barry Biffle talks about what the airline has done to ensure guests are safe. (Rachel Aston/Las Vegas Review-Journal)
Frontier, a Denver-based ultra-low-cost carrier, will become the first airline in more than a decade to offer international service to Canada and Mexico from Las Vegas when flights to Cancun and Los Cabos begin Dec. 15. (Rick Velotta/Las Vegas Review-Journal)
Ultra, low-cost carriers such as Spirit, Frontier and Allegiant are becoming popular with travelers due to their low prices on tickets and other services. (Gabriella Benavidez/Las Vegas Review-Journal)