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

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.

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.

Along with a free bag, some flights will be discounted to as low as $39 one-way for flights during the same time period.

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

Travelers flying with Frontier Airlines can cross one extra fee off their list this summer: their checked bag.

Frontier Airlines is offering a free checked bag on certain flights this summer. In a statement on Tuesday, Frontier's CEO's Barry Biffle encouraged travelers to "divorce" their old airline and shift ...

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.

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.