Your Complete Guide to the Southwest Terminal at STL (St. Louis Lambert International Airport)

For millions of travelers across the United States, Southwest Airlines is a go-to carrier known for its affordable fares, two free checked bags policy, and customer-friendly approach. If you're flying through St. Louis Lambert International Airport (STL) on Southwest Airlines, understanding the layout, amenities, and operational details of the terminal can help streamline your travel experience.

In this comprehensive guide, we'll take an in-depth look at Southwest Airlines' terminal at STL, including check-in procedures, security, gate details, food and shopping options, ground transportation, and tips to make your journey smooth and enjoyable.

Overview of St. Louis Lambert International Airport (STL)

St. Louis Lambert International Airport, commonly referred to as STL, is the largest and busiest airport in Missouri. Located about 14 miles northwest of downtown St. Louis, STL serves as a significant hub for domestic flights and offers limited international service. The airport has two active terminals:

• Terminal 1: The main terminal used by most domestic and international airlines.
• Terminal 2: Exclusively used by Southwest Airlines.

That’s right—Terminal 2 is dedicated entirely to Southwest, making the check-in and boarding process more efficient for its passengers.

Which Terminal Does Southwest Use at STL?

Southwest Airlines operates exclusively out of Terminal 2 at St. Louis Lambert International Airport. This terminal is tailored to meet the needs of Southwest's high-volume operations and is well-equipped with amenities, modern security features, and ample gate space.

Address for Terminal 2 (Southwest):

10701 Lambert International Blvd, St. Louis, MO 63145

Layout and Structure of Terminal 2

Terminal 2 is smaller than Terminal 1 but is efficiently designed to handle the robust operations of Southwest Airlines. The terminal features:

• One main concourse (Concourse E)
• A single security checkpoint