Standing at the wrong terminal can turn your travel excitement into a stressful moment. Isn’t it? If you are planning a trip through St. Louis Lambert International Airport, understanding its layout in advance is the only thing that can save you time, stress, and confusion.
The good thing about St. Louis Lambert International Airport Terminals is that the airport has a simple structure compared to many large U.S. airports. Still, travelers often get confused between Terminal 1 and Terminal 2, especially when switching airlines or arriving for international flights.
In this digital handbook, we’ll explain everything about STL Terminals, including concourses, services, transportation, terminal maps, and much more. So, continue reading until the last words.
One of the most common traveler questions is: How many terminals does STL Airport have? The answer is simple — St. Louis Lambert International Airport (STL) has two terminals:-
Together, these STL Terminals include approximately 86 gates spread across multiple concourses. Both terminals handle domestic and international passengers and are located about half a mile apart.
Although the airport is easy to navigate, the two terminals are not directly connected by walking paths inside the secure area. Travelers needing to transfer between terminals usually use the free airport shuttle service.
Understanding the structure of the terminals at St. Louis Lambert Airport can help travelers move confidently through the airport.
Lambert Airport Terminal 1 is the primary and historic terminal at STL Airport. It handles the majority of domestic airline operations and includes Concourses A, C, and D.
This terminal has two levels:-
Upper Level – Departures & Check-In
The upper level is used for:-
Passengers flying from Terminal 1 generally arrive here first before proceeding to their concourse.
Lower Level – Arrivals & Baggage Claim
The lower level includes:-
There is also a USO Lounge near baggage claim for military travelers.
STL Terminal 2 is the newer and more compact terminal at STL Airport. It primarily serves Southwest Airlines and some international arrivals.
Compared to Terminal 1, this terminal at STL is smaller and easier to navigate, making it popular among frequent flyers. This terminal consists mainly of Concourse E.
This building also has two levels:-
Upper Level – Departures & Check-In
The upper floor of Lambert Airport Terminal 2 contains:
Passengers can quickly move from check-in to gates because the terminal layout is compact.
Lower Level – Arrivals & Baggage Claim
The lower level handles:-
Travelers arriving internationally usually complete customs processing here before exiting the airport.
Understanding which airlines operate from which terminal is extremely important before reaching the airport. The two Terminals at St. Louis Lambert Airport serve different airlines and flight operations:-
| Airline | Gates | Ticket Counter | Curbside Check-In | Contact Number | Baggage Office | Cargo Service |
| Air Canada | Terminal 1: A17 | — | — | 888-247-2262 | 888-689-2247 | — |
| Alaska Airlines | Terminal 1: C15 | — | — | 800-252-7522 | 314-850-6125 | 314-426-3778 (Air General) |
| American Airlines | Terminal 1: C6, C8, C10, C12, C16, C18, C24 | — | — | 800-433-7300 | 314-253-4663 | 314-426-3778 (Air General) |
| British Airways | Terminal 2: E29 | Terminal 2 (Door 3) | — | 800-247-9297 | 800-828-8144 | — |
| Charter Flights | Terminal 1: C28 or A15; Terminal 2: International Arrivals E29 | — | — | — | — | — |
| Delta Air Lines | Terminal 1: A2, A3, A4, A6, A8, A10 | Terminal 1 (Door 4) | Departures Drive, Entry 4 | 800-221-1212 | 800-325-8224 | 314-426-3778 (Air General) |
| Frontier Airlines | Terminal 1: C19, C23; Terminal 2: International Arrivals E29 | — | — | 801-401-9000 | 314-391-2872 | — |
| Lufthansa | Terminal 2: E29 | — | — | 800-645-3880 | 877-234-3449 | — |
| Southern Airways Express | Terminal 1: C1, C3 | — | — | 800-329-0485 | 800-329-0485 | — |
| Southwest Airlines | Terminal 2: E4, E6, E16, E18, E20, E22, E8, E10, E12, E14, E24, E31, E33, E34, E36, E38, E40 | — | Departures Drive, Entry 1 | 800-435-9792 | 314-592-6230 | 314-592-6200 |
| United Airlines | Terminal 1: A14, A16, A18, A19, A21 | — | — | 800-864-8331 | 800-221-6903 | 314-426-3778 (Air General) |
One reason travelers appreciate St. Louis Lambert International Airport Terminals is the variety of passenger services available. Both terminals at STL provide modern airport facilities designed for convenience and comfort.
| Facility | Details |
| Check-In Services | Online check-in, mobile check-in, self-service kiosks, curbside check-in, and airline ticket counters available at Terminal 1 and Terminal 2. |
| TSA Security | Security checkpoints available at T1 A Gates, T1 C Gates, and T2 E Gates, with average wait times around 15 minutes. |
| Baggage Claim at STL | Located on the lower level of both terminal buildings with clearly marked baggage carousels. |
| Visitor Center | Explore St. Louis Visitor Centers available in Terminal 1 and Terminal 2 baggage claim areas. |
| TSA PreCheck™ | Expedited security screening available for eligible travelers. |
| Service Animal Relief Areas | Pet relief zones located near A16, C24, E4, E40, Exit 6, and Exit 10. |
| Free Wi-Fi | Complimentary Wi-Fi available across terminals through the “_STL_free_wifi” network. |
| STL Lost & Found | Managed by the Airport Police Department in Terminal 1 near Door 18. |
| TTY Phones | Accessible phones for hearing-impaired travelers located throughout the airport. |
| Information & Paging | Passenger paging and airport information desks available in both terminals at St. Louis Lambert Airport. |
| Airport Police Office | Airport safety and assistance office located near Door 18 in Terminal 1. |
| USO Center | Military lounge with free snacks, Wi-Fi, entertainment, sleeping space, and family facilities. |
| STL Airport Lounges | Premium lounges including Admirals Club and Wingtips St Louis available for travelers. |
| Banking Facility | US Bank branch available in Terminal 1 lower level near C Gates security. |
| Kids Play Area | Children’s Play Port located near Gate C3 in Terminal 1. |
| Lactation Rooms | Private nursing suites available near A10, C9, and E33. |
| Interfaith Chapel | Quiet prayer and reflection spaces available in both terminals. |
| Art & Cultural Space | Kling Family Gallery showcasing local art and cultural exhibits. |
| Group Services | Welcome tables, custom display messages, banners, and group assistance available with advance request. |
| Accessibility Services | Accessible parking, elevators, TSA assistance, TTY phones, visual paging, and ADA support offered airport-wide. |
| Dining Options | Restaurants, cafes, coffee shops, breweries, and fast-food outlets available across all concourses. |
| Shopping Stores | Gift shops, bookstores, tech stores, travel essentials, candy shops, and souvenir outlets throughout the airport. |
| MetroLink Rail Service | Light rail connection available from both terminals with access to St. Louis city and nearby areas. |
| Bus Services | MetroBus and Greyhound transportation services available near Terminal 1. |
| Ride App Pickup | Dedicated Uber and Lyft pickup zones outside both STL terminals. |
| Taxi Services | Taxi stands available at both terminals with ADA-accessible taxis on request. |
| Rental Car at STL | Free shuttle access to offsite rental car companies including Hertz, Avis, Enterprise, Budget, and others. |
| Cell Phone Lots | Free waiting lots available for drivers picking up arriving passengers. |
| Parking Facilities | Multiple garages and surface parking lots available with long-term and short-term parking options. |
| Shuttle Service | Complimentary shuttle buses operate between parking lots, terminals, and rental car centers. |
One major thing travelers should know about the Terminals at St. Louis Lambert Airport is that they are separate buildings. You cannot simply walk between them inside the secure area.
The major airport provides a free 24-hour shuttle bus between terminals. The shuttle details are:-
This is the most convenient way to transfer between St. Louis Lambert Airport Terminals.
Another option is the MetroLink light rail system. Both the STL terminals have MetroLink stations, making it easy to:-
Many budget-conscious travelers prefer MetroLink because it is affordable and reliable.
Passengers need the online map to navigate the buildings because they handle heavy passenger traffic daily. You can easily locate the check-in counter, parking areas, lounges, food outlets, and other facilities.
Passengers can contact the airport staff for:-
Here are important contact details for travelers using St. Louis Lambert International Airport Terminals.
| Airport Name | St. Louis Lambert International Airport or Lambert Field |
| Address of STL Airport | 10701 Lambert International Blvd, St. Louis, MO 63145, United States |
| STL Phone Number | +1 314-890-1333 |
| Official Website | https://www.flystl.com/ |
| STL Guide for Smooth Travel | https://www.airporstinsights.com/stl-airport/ |
| https://www.facebook.com/flystl | |
| https://www.instagram.com/flystl/ | |
| https://twitter.com/#!/flystl |
To Summarize!
Navigating St. Louis Lambert International Airport Terminals becomes much easier once you understand the airport structure. STL Airport has only two terminals, making it more manageable than many larger U.S. airports.
Both STL Terminals provide modern passenger amenities, including restaurants, lounges, shopping, and transportation access. Although the STL Terminals are not directly connected, the free shuttle service makes transfers simple and convenient.
For more assistance, you can connect with the trained officials and get your questions answered easily.
Flyers May Also Ask!
No, Terminal 1 and Terminal 2 are not directly connected inside the secure area. Travelers must use the free airport shuttle service or MetroLink train to move between terminals.
Terminal 2 is mainly used by:-
Southwest Airlines
Lufthansa
Some international and charter flights
St. Louis Lambert International Airport has two main terminals: Terminal 1 and Terminal 2. Together, they serve domestic and international passengers through multiple concourses and gates.
The St. Louis Airport American Airlines Terminal is Terminal 1, Concourse C.