San Antonio International Airport (SAT) sits about eight miles from downtown, positioned at 9800 Airport Blvd. Austin to San Antonio travel guide Although the airport is often thought of as having two separate terminals, the reality is a single building that houses both Terminal A and Terminal B under one roof. This layout creates a unique experience for travelers: moving between the terminals is simple on the landside, yet once you pass through security the airside paths diverge. Understanding how the building is organized helps you know where to find baggage claim, ground transportation, and where a prearranged door‑to‑door service like Texas Shuttle will meet you. San Antonio to Austin shuttle The following guide walks through the landside conveniences, the airside restrictions, the airline distribution, and what all of this means for arranging a smooth pickup after your flight. Houston airports traveler guide Houston to Dallas shuttle
Understanding SAT’s Single‑Building, Two‑Terminal Design
The airport’s architectural plan places Terminal A at the southeast end of the main structure and Terminal B at the northwest end. Despite being labeled as separate terminals, both are inside the same continuous building, which means there are no outdoor walks required to go from one ticketing counter to the other. This design simplifies many pre‑flight activities: you can check in at either terminal, drop off bags, and proceed to security without stepping outside. The shared building also houses shared amenities such as restrooms, dining options, and retail shops that are accessible from both sides before you reach the security checkpoints. Because the terminals share a roof, wayfinding signs are consistent, and the overall footprint feels more compact than airports with truly separate buildings. Dallas to Houston shuttle
Landside Simplicity: Walking Between Terminals A and B on the Ticketing and Arrivals Levels
On both the ticketing (upper) level and the arrivals (lower) level, pedestrians can move freely between Terminal A and Terminal B. The walkway is climate‑controlled and clearly marked, allowing you to stretch your legs, grab a coffee, or visit a gift shop in the opposite terminal without needing to re‑clear security. This landside connectivity is especially helpful if you arrive at one terminal but need to meet someone who is parked or waiting at the curb of the other terminal. The same freedom extends to the mezzanine level, where a pedestrian bridge links the parking garage and rental car facility to the main terminal building, giving you a direct route to your vehicle or rental car after you collect your luggage. Houston airport shuttle
Airside Separation: Security Checkpoints and Concourse Limits
Once you pass through the security checkpoint at the entrance of either terminal’s concourse, the ability to move between Terminal A and Terminal B ends. Each terminal maintains its own security screening area, and the sterile zones beyond those checkpoints are isolated. In practical terms, if you clear security in Terminal A you cannot walk airside to the gates in Terminal B, and vice‑versa. This separation means that any gate changes, connecting flights, or lounge access must stay within the same terminal where you were screened. Travelers should therefore verify which terminal their departure gate is located in before heading to the security line, to avoid the need to exit the sterile area, re‑check in, and go through screening again.
Where Arrivals and Ground Transportation Live
Baggage claim is situated on the lower level of the airport, with carousels positioned in both Terminal A and Terminal B. An information desk is located in Terminal B to assist passengers with directions, lost items, or general inquiries. Directly outside the arrivals doors, on the outer curb, you will find the designated ground transportation zone. This area accommodates taxis, ride‑app vehicles, hotel shuttles, and prearranged private services. Because arrivals are on the lower level, you will exit the baggage claim area, follow signs for “Ground Transportation,” and step onto the curb where vehicles are lined up. The curb is clearly marked with signs for each service type, making it straightforward to locate your ride without wandering through multiple lanes of traffic.
Terminal B: Home of American Airlines and United Airlines
Terminal B’s northwest placement houses the Concourse B gates, numbered B1 through B8, and is the primary base for American Airlines and United Airlines operations at SAT. Both carriers use this terminal for their domestic and select international flights, and the ticketing counters, boarding gates, and baggage claim areas for these airlines are all located within Terminal B’s footprint. If you are flying with either American or United, you will check in, clear security, and proceed to your gate all inside the same terminal complex. The layout also means that any amenities specific to those carriers—such as airline lounges or priority boarding lanes—are situated within Terminal B’s secure area.
Implications for Prearranged Door‑to‑Door Pickups
Because the ground transportation curb runs along the lower level outside both terminals, a prearranged private service can meet you at the curb that corresponds to the terminal where you collected your luggage. If your flight arrives at Terminal A, you will exit the baggage claim area, follow the signs to the arrivals curb, and find your vehicle waiting in the lane designated for private pickups. The same process applies if you land in Terminal B. Since Texas Shuttle operates as a private door‑to‑door service—offering no shared rides, no surge pricing, 24/7 booking, and flight tracking on airport pickups—the driver will monitor your flight’s status and adjust the pickup time accordingly, ensuring they are present when you step outside. Knowing that the landside areas are connected means you can also choose to meet the driver at the opposite terminal’s curb if that is more convenient, as you are free to walk between the terminals on the lower level before heading outdoors.
Plan Your Ride
Frequently Asked Questions
How much time should I allow to walk between Terminal A and Terminal B on the arrivals level?
The walkway between the two terminals on the arrivals level is a straight, climate‑controlled corridor. Most travelers find that a leisurely pace takes only a few minutes, but you should factor in any luggage you are carrying and the potential need to stop at restrooms or information desks. Allowing five to ten minutes provides a comfortable buffer, especially during peak travel periods.
Can I go through security in Terminal A and then access the gates in Terminal B?
No. Once you have cleared the security checkpoint in either terminal, you remain in that terminal’s sterile area. The concourses are not connected airside, so you would need to exit the secure area, return to the landside level, walk to the other terminal, and go through its security screening if you wish to reach gates located there.
Where exactly does Texas Shuttle meet passengers at the airport?
Texas Shuttle meets passengers at the designated ground transportation curb on the lower level outside the arrivals doors. After you have collected your baggage, follow the signs for “Ground Transportation” and look for the area marked for private door‑to‑door services. The driver will be waiting in the lane assigned to prearranged pickups, ready to assist you with your luggage and drive you to your destination.
Is the pedestrian bridge the only way to reach the parking garage from the terminals?
The pedestrian bridge on the mezzanine level provides a direct, covered connection between the main terminal building and the parking garage, as well as the rental car facility. While you can also reach the garage by walking to the landside curb and using the external walkways, the bridge offers the most convenient indoor route, particularly in inclement weather or when you are carrying heavy bags.
What should I do if my flight arrives at Terminal A but my ride is waiting at the Terminal B curb?
Because the arrivals level allows free movement between the terminals, you can simply walk from Terminal A’s baggage claim area to the Terminal B curb after you have cleared customs (if applicable) and collected your luggage. Follow the signs for the arrivals corridor, proceed to the opposite end of the building, and exit onto the curb where your vehicle is waiting. This walk typically takes only a few minutes.
Are there any restrictions on luggage size for the ground transportation curb?
The ground transportation curb is designed to accommodate standard suitcases, carry‑on bags, and typical travel gear. If you have unusually large items such as bicycles, surfboards, or oversized equipment, it is advisable to contact your transportation provider in advance to confirm that they can accommodate those items. Most private door‑to‑door services, including Texas Shuttle, will work with you to ensure your luggage is loaded safely and securely.
Frequently Asked Questions
How do I get from Terminal A to Terminal B at San Antonio International Airport without going outside?
Terminal A and Terminal B sit under one continuous roof, so you can walk between them on both the ticketing and arrivals levels through a climate-controlled walkway—no outdoor walk or re-clearing security needed landside.
Can I move between Terminal A and Terminal B after I pass through security at SAT?
No. Once you clear security at either terminal, the sterile zones are separate. If your gate is in the other terminal, you must exit the secure area and go through screening again, so confirm your departure terminal first.
Where does Texas Shuttle pick me up at San Antonio International Airport?
Texas Shuttle offers door-to-door service, meeting you at the address you provide, including SAT. Flights are monitored for airport pickups, so your driver adjusts if your flight is delayed. Book online 24/7 or by phone.
Is the Texas Shuttle ride private or will I share the vehicle with other passengers?
Rides are shared by default. If you prefer to ride alone, a private, no-sharing option is available as a paid add-on when you book. Vehicles are clean, late-model sedans, SUVs, or vans matched to your party size.
Airlines at a Glance: Who Flies From Terminal A vs. Terminal B
Terminal A is the larger of the two concourses, with 17 gates split across a south concourse (gates A1 to A7, immediately ahead and to your right as you exit security) and a north concourse (gates A8 to A17, to your left). Terminal B, as covered above, runs gates B1 to B8 and serves American Airlines and United Airlines. Carriers such as Southwest, Delta, and the airport’s Mexico and Canada routes are distributed across these concourses, so the single most important pre-flight step is confirming your terminal on your boarding pass or the airport’s official site, flysanantonio.com, before you park or get dropped off. Because the building is compact — roughly 0.4 miles between its two furthest points — even a last-minute terminal realization is recoverable on foot.
| Feature | Terminal A | Terminal B |
|---|---|---|
| Gates | 17 (A1–A7 south, A8–A17 north) | 8 (B1–B8) |
| Primary airlines | Multiple domestic and international carriers | American Airlines, United Airlines |
| Security checkpoint | Departures level | Entrance to Concourse B |
| TSA PreCheck lane | Yes | Yes |
| Lounge | — | United Club (between gates B3 and B5) |
| Notable facility | Global Entry Enrollment Center (arrivals level) | USO Lounge (arrivals, near baggage claim) |
Dining, Wi-Fi, and Charging at SAT
Both terminals offer coffee, quick-service counters, and sit-down restaurants landside and airside, including familiar options such as Starbucks (per the airport’s official directory at flysanantonio.com). Because concourse choices shift with leases and renovations, check the live dining map on the airport website rather than relying on an older guide. Free Wi-Fi is available throughout the terminal building, and charging outlets are placed at gate seating areas — though at a compact airport, outlets near high-traffic gates fill up quickly, so a full battery before you fly is always the safer reserve.
Security, TSA PreCheck, and Trusted Traveler Enrollment
SAT has two security checkpoints, one on the departures level of each terminal. Both offer dedicated TSA PreCheck lanes; the Terminal A checkpoint opens at 3:30 a.m., and checkpoints close roughly 30 minutes before the final departure of the day. There is no TSA PreCheck enrollment center at the airport — the nearest IdentoGO location is at 18360 Blanco Rd., Ste. 110 — but travelers can enroll in Global Entry at the enrollment center in Terminal A arrivals, open Monday through Friday from 9 a.m.
The Ground Load Facility at Terminal A
Some regional and smaller-craft departures at SAT use the Ground Load Facility at Terminal A, where passengers walk directly onto the aircraft from the tarmac rather than boarding through a jet bridge. If your boarding pass references ground loading, budget a few extra minutes and follow the designated signage past the standard gate areas; gate agents will direct you to the ground-level boarding area.
Parking, the Garage Walkway, and Getting Downtown
The terminal parking garage and rental car facility connect to the main building via a pedestrian bridge on the mezzanine level — take the escalator up one level from the garage, or the elevator down one level from the arrivals curb to reach the underground walkway. SAT sits about eight miles from downtown San Antonio, reached most directly via Highway 281 north from Loop 410, a drive that typically runs 15 to 20 minutes outside peak hours. For travelers who prefer not to navigate the garage or the outer curb at all, a prearranged San Antonio airport shuttle meets you at arrivals and handles the 281 corridor for you.
Lost and Found and Important Phone Numbers
Leave an item onboard or in the terminal? Start at the information desk in Terminal B on the arrivals level, and file a report through the lost and found section at flysanantonio.com. For airlines, lost luggage is handled by each carrier’s own baggage service office in the terminal where you arrived. Current phone numbers for the airport switchboard, parking, and ground transportation are listed on the airport’s official contact page — always verify there rather than using third-party listings.
Frequently Asked Questions
How many terminals does San Antonio Airport have?
Two — Terminal A and Terminal B — but they share one continuous building, so you can walk between them landside on both the ticketing and arrivals levels.
Can I walk between terminals after security?
No. Once you clear security in one concourse, you are restricted to that concourse’s gates. Verify your terminal before entering a checkpoint.
How far is San Antonio Airport from downtown?
About eight miles, roughly a 15–20 minute drive via Highway 281 and Loop 410 depending on traffic.
What is the new Terminal C at San Antonio Airport?
Terminal C is part of the airport’s long-term expansion program to add capacity beyond the current A/B footprint. Check flysanantonio.com for the latest program status before travel.
Which terminal does United use at SAT?
United operates from Terminal B, alongside American Airlines, using gates B1 through B8.
Does SAT have TSA PreCheck?
Yes, dedicated PreCheck lanes operate at both terminal checkpoints during posted screening hours.
Final Thoughts
SAT rewards travelers who understand its single-building logic: one roof, two isolated concourses, and a short walk landside. Confirm your terminal, note whether your flight uses the Ground Load Facility, and line up your ride in advance — whether that’s the garage, the outer curb, or a prearranged Austin to San Antonio shuttle for the onward leg of your Texas trip.
