These airlines which are typically “no-frills” have had difficulty making money without adding extras. To help increase their revenue, these budget airlines are now following a trend in the industry of adding premium products for an added price.

The loungers resemble Spirit's "Big Front Seat," which is similar to many mainline carriers' domestic first class but without many of the perks.

Frontier is adding premium seating tier to its offerings. Here's what it will look like, and when it will be available.