Yes — on Google Play
Frontier Airlines has a Google Play listing.
App Store
On Google Play
Is Frontier Airlines on Android?
About Frontier Airlines
Book flights & check-in with the Frontier app to save time and money! Travel is easier than ever before with the Frontier Airlines mobile app. - Book your next trip, search flights, and explore our route map and destinations. - View and manage upcoming trips. - Upgrade your seat to UpFront Plus, Premium or Preferred,…