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

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

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

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

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

Frontier Airlines is bringing back free checked bags for a limited time this summer. Here's how to get one on a trip out of Nashville.

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

Frontier Airlines said it will launch three new routes from San Diego in June, bringing its total number of routes from the ...

Frontier and American Airlines have rushed forward with new deals, in the wake of Southwest Airlines' controversial decision to eliminate the popular free checked bag perk. The offers come after ...