Frontier Airlines is celebrating its 27th birthday by putting one million fares on sale from $27 through Wednesday night.

The ultra-low-cost carrier will also give away round-trip tickets for two to 27 lucky winners through a random drawing this summer.
To take advantage of the latest flash sale, travelers must purchase tickets by 11:59 p.m. ET on Wednesday, July 7. Travel is valid on Tuesday, Wednesday and Saturday between August 17 and November 10, 2021

Meanwhile, consumers can enter the random drawing for 27 free round-trip tickets now through July 13, 2021. Winners will be determined on or about July 20, 2021, Frontier said.