Frontier Airlines, a Denver-based ultra-low-cost carrier ( ULCC), is known for its sustainability and budget-friendly airfare ...

Spirit Airlines is reportedly preparing to file for bankruptcy protection within weeks after a merger with Frontier Airlines ...

It’s been a good year at the Eagle County Regional Airport. In addition to Alaska Airlines and Frontier Airlines bringing ...

The change comes as Frontier Airlines created new fares to eliminate extra fees ... have to pay extra for things like ...

In the clearest sign yet that bankruptcy is on the itinerary, Spirit Airlines warned early Wednesday that it is preparing for ...

Here's how old a kid has to be to fly alone, plus what it costs for unaccompanied minors to fly Delta, Southwest, American ...

Domestic flight deals are everywhere this winter, and low-cost Spirit Airlines has one-way tickets bookable to popular sunny ...

(Colorado Newsline) Pilots from Frontier Airlines and other members of the Air Line Pilots Association, International ...

Spirit Airlines shares plunged Wednesday on a report that the budget carrier is getting ready to file for bankruptcy ...

DENVER (KDVR) — Pilots at Frontier Airlines spent Tuesday afternoon picketing in front of the company’s Denver headquarters ...

Dozens of pilots represented by the Air Line Pilots Association, Int'l (ALPA) union showed up outside of Frontier Airlines ...

Spirit Airlines Inc. shares fell more than 60% in the after-hours session Tuesday after the Wall Street Journal reported it ...