Frontier CEO Barry Biffle defended ultra-low-cost carriers from critics like United CEO Scott Kirby at the Skift Global Forum.

Frontier Airlines is launching 20 new routes, a move that comes after Spirit Airlines' execs announced the business might not ...

Discover Frontier Airlines' GoWild! all-you-can-fly annual pass, granting access to over 100 destinations with unlimited flights until April 2027.

Frontier Airlines announces 20 new domestic and international routes with fares starting at $29, launching from major cities ...

Frontier Airlines is adding two new nonstop routes from Phoenix. The new flights are scheduled to begin in November.

Frontier Airlines CEO fired back at United's CEO for saying the discount airline model is dead in the United States.

Frontier Airlines' stock jumped 14.5% on Tuesday after Deutsche Bank analysts upgraded its rating in the wake of Spirit Airlines' bankruptcy.

As Spirit Airlines works to reduce its network during its banktrupcy, Frontier is expanding with 42 new routes announced in a week.

Some of Frontier’s new routes from Fort Lauderdale, Florida, include flights to Detroit, Houston, Chicago and Charlotte, North Carolina.

Frontier Airlines announced the launch of 20 new flights, some from competitor Spirit's hubs, as Spirit struggles to survive. Here's where.

Frontier Airlines announced 20 new routes, just two of which aren't offered by struggling rival Spirit, which previously ...