Frontier Airlines will have to compete with American Airlines and United Airlines on two out of the three routes.

Frontier Airlines is adding a nonstop flight from Dulles International Airport in Virginia to Las Vegas, Nevada, this spring, ...

Low-cost air carrier Frontier Airlines is adding three new routes this spring, connecting more destinations across the U.S.

Frontier Airlines on Monday announced a new nonstop route between Tampa International Airport and Charlotte Douglas ...

Frontier Airlines is attempting for a second time to merge with the now bankrupt Spirit Airlines, which declared bankruptcy late last year as budget airlines struggle. Frontier Group Holdings Inc., ...