DENVER — A Frontier Airlines flight from Denver to Memphis was forced to turn around Tuesday after a passenger attempted to open an emergency exit door mid-flight. One of the passengers who helped ...

According to a statement from Frontier, a male passenger on Flight 4626 from Denver to Memphis tried to open an exit door in the back of the plane shortly after takeoff. The airline said he was ...

A Bronx woman is stranded in Puerto Rico after Frontier Airlines made an error involving her pet bird, she says.

Frontier Airlines launched a promotion that includes free checked bags, taking aim at rival carrier Southwest, which reversed its long-standing policy.