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

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

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

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

One airline that wasted no time in responding to Southwest’s decision is Frontier Airlines. The ultra-low-cost carrier has ...

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.

"Breaking up with your old airline? We’re here for you!" said Frontier Airlines. The Denver-based airline said a new free bag ...

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 ...

Frontier is again offering a free checked bag on flights departing April 22 through Aug. 18, according to a Tuesday press release.

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.

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