At Denver International Airport, Frontier Airlines DEN Terminal is based out of Concourse A. Check-in desks are on Level 6 of Terminal East. The airport rail or a pedestrian bridge can take passengers to the concourse. There are numerous places for passengers to dine, shop, and relax in the terminal. Although Frontier's gates are in a handy location, it is advised to arrive early for security screening, luggage drop-off, and check-in because of the high passenger flow. The terminal makes it simple for travelers to navigate and get ready for their flights by offering effective services and a seamless travel experience.

The Frontier Airlines terminal at Denver International Airport (DEN) offers several convenient features for passengers. These include:

1. Check-in counters located on Level 6 of Terminal East.

2. Access to Concourse A via a pedestrian bridge or airport train.

3. Various dining and retail options for travelers.

4. Ample seating areas throughout the terminal.

5. Efficient security screening to streamline the boarding process.

6. Baggage claim available for easy luggage retrieval upon arrival.

7. Clear signage to guide passengers through check-in, security, and gates.