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

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

Frontier Airlines is stepping up its game. The airline announced Tuesday via press release that it will offer customers a free checked bag on select flights this summer. As part of its economy ...

(This story was updated to fix an inaccuracy). Travelers flying with Frontier Airlines can cross one extra fee off their list this summer: their checked bag. Throughout the summer, the airline is ...