You can purchase tickets at the airport.
A friendly reminder:
- Some airports do not have airport agents daily available to purchase tickets.
- Fares and schedules are subject to change without notice.
- All fares are subject to the restrictions that apply to the particular fare.
- Seats are limited and all fares may not be available on all flights.
- Tickets are valid for the named passenger only and are not transferable.
A great place to purchase tickets is at Flyfrontier.com or on the Frontier Airlines mobile app available for apple or android.