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.

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

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

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 pounced on free bags as a winning value proposition after Southwest Airlines dropped its “two bags free” brand-defining policy.

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

Frontier Airlines unveiled sweeping changes to its product and customer service offerings, a shift the low-cost carrier has dubbed “The New Frontier.” ...

Frontier Airlines has launched a new promotion to win over frustrated Southwest Airlines customers. This strategic initiative ...

Frontier Airlines is offering a complimentary checked bag, carry-on, seat selection, and flight changes for nonstop flights booked by March 24. This promotion follows Southwest Airlines' recent ...

Last week, Southwest Airlines announced an end to its long-time policy of two-free checked bags. Frontier officials say customer response will help determine if its free service will become permanent.