When flying out of or into St. Louis Lambert International Airport (STL), choosing the right terminal is essential for a smooth experience. For passengers traveling with Southwest Airlines, understanding what to expect at the terminal can make your journey more enjoyable and efficient. Whether you’re a frequent flyer or it’s your first time flying Southwest from STL, this comprehensive guide will walk you through every detail of the Southwest terminal at STL, including its location, amenities, check-in procedures, dining options, transportation, and more.


Overview of STL Airport

St. Louis Lambert International Airport (IATA: STL) is the busiest and largest airport in Missouri. Located about 14 miles northwest of downtown St. Louis, STL serves as a crucial hub for both domestic and limited international travel. The airport has two main terminals:

  • Terminal 1 – The larger of the two, housing multiple concourses.

  • Terminal 2 – A smaller terminal primarily used by Southwest Airlines.

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