Frontier Airlines is adding two new destinations from Phoenix.

The Colorado-based airline announced it will launch service between Phoenix and Austin and San Antonio, Texas. Frontier made the announcement about San Antonio earlier this week.

It’s part of the low cost airline’s plan to bring 21 new cities and 85 new routes.

“With this week’s announcement, Frontier now offers our Low Fares Done Right product to even more fantastic destinations from Phoenix” said Frontier spokesman, Richard…