Curious about What Terminal is Southwest in Las Vegas?  You don't need to search any farther! Terminal 1 of Harry Reid International Airport (previously McCarran Airport) is where Southwest Airlines is based. Quick check-ins, TSA PreCheck lanes, and simple navigation to departure gates make Terminal 1, which is well-known for its effectiveness and user-friendly design, a hassle-free experience. To improve your trip, take advantage of a variety of culinary alternatives, retail stores, and cozy lounges. Knowing What Terminal is Southwest in Las Vegas guarantees a convenient and easy travel experience, whether you're landing in the entertainment city or starting your next journey.