March 18 (UPI) --Frontier Airlines on Tuesday announced new amenities for travelers including a promotion for a free checked bag after competitor Southwest Airlines ended its free bags policy.

While the free checked bag promotion only applies to flights that run May 18 through Aug. 18, customers can start enjoying Frontier’s free Economy Bundle on flights beginning March 18.

Details on changes to Southwest's checked bags policy 03:33. Frontier Airlines is introducing a free checked bag promotion in an effort to poach former Southwest passengers frustrated by the ...

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 Airlines will offer customers a free checked bag on select flights through this summer. “We’ve always had heart,” Frontier CEO Barry Biffle said in a news release on Tuesday.

Frontier Airlines offers free checked bags promotion in swipe at Southwest For flights departing May 28 through Aug. 18, Frontier said it would include a free checked bag. Get more news ...

Frontier Airlines is offering passengers a free checked bag in a promotion taking direct aim at Southwest after the rival budget airline dropped its longtime "bags fly free" policy. On Tuesday ...

Frontier is also throwing in a free checked bag for flights departing May 28 through Aug. 18. 3 Frontier Airlines is launching a free bag check promotion in a dig at rival Southwest, which is ...

The promotion applies for nonstop trips booked on Frontier’s website or app. For flights departing May 28 through Aug. 18, Frontier said it would include a free checked bag.