Frontier Airlines operates out of Terminal 3 at Frontier Airlines PHX Terminal, offering travelers affordable and convenient access to a range of destinations across the United States. Known for its commitment to budget-friendly travel, Frontier Airlines provides passengers departing from Phoenix with straightforward check-in services, comfortable waiting areas, and efficient boarding. The terminal’s modern facilities and amenities, combined with Frontier's dedication to value, ensure that travelers have a smooth and enjoyable experience as they begin their journey.