Law enforcement and fire officials were investigating a potential threat on a plane at Denver International Airport, but ...

Frontier Airlines anticipates larger losses in Q3 due to weak travel demand, predicting adjusted loss per share between 26 ...

Denver-based Frontier Airlines is adding four new nonstop routes this fall from Denver International Airport, increasing its ...

Police confirmed that officers cleared the Frontier plane that landed in Denver on Monday from Seattle, and that “the threat ...

A Frontier Airlines flight from Seattle was evacuated at Denver International Airport on Monday after crewmembers discovered ...

Frontier Airlines has announced four new flight routes from Denver International Airport to begin this October.

The outlook comes after Frontier posted a loss of 31 cents a share for the second quarter, which was worse than the 28 cents-a-share loss analysts had been targeting. Sales for the second quarter came ...

Frontier Airlines is relaunching service from Tulsa International Airport this fall — with $39 fares and some big updates for ...

The flights, which start at $59, will be available twice a week beginning Oct. 9, Frontier said in a news release Tuesday.

Frontier Airlines is offering a new Disruption Assistance service which allows passengers to book alternate flights on other ...

As low-budget airlines face a downturn, Frontier is launching 15 new routes, including a direct flight from Salt Lake City to ...

Crewmembers found two threatening notes on the plane from Seattle-Tacoma International Airport to Denver International ...