Southwest Airlines is the dominant carrier at STL, with a strong presence and a wide array of nonstop routes connecting St. Louis to destinations across the U.S. The airline’s commitment to STL has led to continuous investment in terminal facilities, customer service, and operational efficiency.

Southwest’s focus on point-to-point travel and affordable fares has made STL a popular choice for travelers looking for convenient connections without the need for hub layovers.
Southwest Terminal STL: Layout and Design
The Southwest terminal at STL is housed in Terminal 1 — a modern, spacious facility designed to streamline passenger flow and provide comfort.

Key Features of Terminal 1 for Southwest:
Check-In Area: Multiple self-service kiosks and staffed counters help passengers check in quickly. Southwest encourages travelers to use the self-service kiosks to print boarding passes and bag tags.

Security Checkpoints: Terminal 1 has well-staffed TSA checkpoints with efficient screening lanes designed to minimize wait times during peak hours.

Gates: Southwest Airlines operates out of several gates in Terminal 1, all within easy walking distance. The gates feature comfortable seating and ample charging stations.

Baggage Claim: Southwest passengers retrieve checked luggage at the baggage claim area conveniently located near the terminal exit.

Accessibility: Terminal 1 is fully accessible, offering elevators, ramps, and services for travelers with disabilities.

Passenger Amenities and Services in the Southwest Terminal at STL
Southwest understands that travel can be stressful, so the terminal offers several amenities aimed at enhancing passenger comfort.
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