DENVER — Frontier Airlines will add 16 new routes at airports in the U.S. and Caribbean next year, including service to two cities from Denver. Frontier (Nasdaq: ULCC) will fly to Tucson, Arizona and ...

FILE IMAGE - A Frontier Airlines aircraft flying over Gloster City, N.J., approaches Philadelphia International Airport, Oct. 22, 2021. (AP Photo/Matt Rourke) (Matt ...

Spokane International Airport is launching “ultra-low fares” for flights to Denver with Frontier Airlines. This is Frontier Airlines’ first series of flights out of Spokane since September 2021. The ...

Avelo Airlines started the service Oct. 23. It has faced protests and calls for boycotts for its role in ICE deportations.