Services Are Offered at Frontier Airlines Billings-Logan International Airport (BIL) Terminal
| Flight Ticket Booking and Cancellation | Ticket Rescheduling |
| Web / Online Check-in | Airport Counter Check-in |
| Kiosk Check-in | Airport and In-Flight Wifi |
| Unaccompanied Minor | Travel with Pets or Animals |
| Baggage Allowance | Duty-free Allowance |
| Flight Information | Airport Lounges |
| Visa-related Information | Pet Relief Area |
| Missing Luggage | Immigration Services |
| First Class and Business Class Seats Enquiries | Economy Class Seat Enquiries |
| Privilege Club | Delayed Flights |
| Transit Information | Privilege Club |
| Seats Selection and Enquiries | Concierge Services |
| Airport Facilities | In-Flight Entertainment |
List of All Frontier Airlines Terminal Worldwide
Map location of Frontier Airlines Billings-Logan International Airport (BIL) Terminal
