Frontier's summertime deal appears to be in response to Southwest Airlines, which recently announced it will start charging for checked bags.

On March 18, the airline announced low fares, free checked bags and free flight changes. Frontier seized the opportunity after Southwest discontinued its long-standing free checke ...

Frontier announced the limited time offer a week after rival Southwest Airlines ended its "bags fly free" policy for most travelers.

Frontier and American Airlines have rushed forward with new deals, in the wake of Southwest Airlines' controversial decision ...

The carrier’s latest sale, which dropped on April 1 (April Fools’ Day), is no joke, officials wrote in a press release.

The low-cost air carrier is offering a promotion with reduced fares a free checked bag for travel through summer.

Delta Air Lines is joining other airlines in trying to poach Southwest loyalists with a temporary status match offer.

Frontier adds new nonstop flights from San Diego to Chicago, Austin, and Salt Lake City this June, with fares from $39 and ...

Delta said Southwest customers are “up for grabs,” and is now offering elite status to Southwest A-List and A-List Preferred ...