Frontier Airlines had nearly double the number of complaints per 100,000 passengers as Spirit, which came in second last year ...

A draft expansion plan issued earlier in the year ... to destinations across the western United States. In March, Frontier Airlines announced it would begin operating a new direct flight to ...

Frontier Airlines is resuming flight service from Spokane International Airport, marking the first flights from the airline since September 2021.

SPOKANE, Wash. — Starting in May 2025, you will be able to fly from Spokane to Denver directly and vice versa through Frontier Airlines. Frontier Airlines announced the direct flights will be ...

DENVER — An annual survey of airline passenger experiences again ranked Denver-based Frontier Airlines last among competitors, although some modest gains over the prior year could point to some ...