This is a great day for Idaho consumers, who will now enjoy affordable and convenient air travel to Denver and the many ...

Three U.S. senators said they want Frontier Airlines and Spirit Airlines to disclose whether they are manipulating seat fees by using customers' personal information to charge different fees to ...

Both Frontier and Spirit have been working to upend their business models that were marked by low fares and fees for add-ons from seat assignments to cabin baggage. The airlines last year did away ...

Spirit Airlines rejected Frontier Group's acquisition offer worth about $2.16 billion, marking the latest failed deal in the ...

Senators Question if Frontier, Spirit Airlines Are Manipulating Seat Pricing ... catch passengers not paying the airline's required bag fees or having oversized items, the committee said.

A report disclosed that five U.S. airlines, including Frontier and Spirit ... to catch passengers not paying the airline's required bag fees or having oversized items, the committee said.