Frontier Airlines flies mainly from Terminal 3 at McCarran International Airport (LAS) in Las Vegas. This Frontier Airlines LAS Terminal is modern and designed to make travel smooth and comfortable for passengers. Travelers flying with Frontier can find plenty of seating, a variety of dining choices, and several shops to explore. Terminal 3 also offers clear signs and easy access to baggage claim and ground transportation. Frontier’s base here supports its mission to provide affordable, low-cost flights, making it a favorite for budget travelers flying in and out of Las Vegas.