Terminal Overview
SFO’s International Terminal A is one half of the airport’s main international complex (the other half is International Terminal G). In general, Concourse/“A Gates” serves a mix of international carriers and some internationally-configured operations, with many international arrivals and departures funneling through the International Terminal’s shared check-in hall, security, and (for arrivals) immigration/customs. If you’re flying long-haul and your boarding pass says “A” gates, you’ll spend most of your time on this side of the International Terminal.
What makes this area stand out is how centralized and easy to use it feels: a large main hall with plenty of services, then a straightforward walk into the A concourse. It’s not flashy for its own sake—more “built for flow.” You’ll typically find decent seating clusters, good signage, and a calmer vibe than some domestic concourses, especially outside the peak evening international bank.
Airlines & Destinations
- Airlines: International Terminal A hosts various international airlines and may include select flights for larger global carriers (for example, some United international operations and certain European partners may appear in the International Terminal overall). Gate assignments can shift, so always confirm in the SFO app or your airline’s day-of-departure info.
- Key destinations: Common long-haul patterns from SFO include major hubs in Europe and Asia (think London/Paris/Frankfurt-style hubs and East Asia gateways), plus service to Mexico and Canada across the broader airport. Your exact destination mix at A gates depends on seasonal schedules and operational changes.
- Alliances: Star Alliance: Strong presence across SFO’s international operations (many Star carriers use the International Terminal complex, especially on the G side, with some activity across the International Terminal generally).
- SkyTeam: Present at SFO (often split between terminals depending on airline/operation).
- Oneworld: Also present at SFO; some partners operate from the International Terminal complex depending on the flight.
Layout & Navigation
The International Terminal is organized with a shared landside hall (ticketing/check-in, services, and access to security) feeding into the airside concourses. Once you clear security for the International Terminal, you’ll follow signage to Concourse A (A Gates). If you’re meeting someone arriving internationally, note that international arrivals typically route through immigration, baggage claim, and customs before exiting to the public side.
- Security checkpoints: Expect the main International Terminal screening areas to serve A-gate passengers. Lines can spike in late afternoon/evening when multiple long-haul flights depart. If you have lounge access or premium screening, check your airline instructions for the best entry point.
- Walking times: Within Concourse A, most gate-to-gate walks are usually manageable. As a rule of thumb, plan 5–10 minutes for typical walks within the concourse, and 10–15 minutes if you’re going from the central hall area out toward the far end.
- Connecting to other terminals: AirTrain (pre-security): Free, 24/7, and frequent (about every 4 minutes). Use it if you need to switch terminals landside, reach parking, or connect to car rental.
- Walking connectors (post-security, where available): SFO has added airside connectors over time. Depending on your route, you may be able to connect from the International Terminal to adjacent terminals without re-clearing security—follow overhead signs and confirm your specific path day-of, since not every concourse is connected in a full airside ring.
Amenities & Services
- Lounges: The International Terminal is where SFO concentrates many of its airline lounges. In and around the A side, you may see options like partner-operated lounges (for example, Air France-KLM/“Golden Gate” lounge locations are associated with the International Terminal complex). Always verify lounge location (A vs G) and access rules—some are alliance/partner specific and may restrict entry by cabin, status, or time of day.
- Food & shopping: You’ll find a dependable mix of quick-service meals, coffee, and sit-down options in the International Terminal hall and along the concourse. If you’re early, the central hall is a good place to browse because it typically has more variety than a single gate pier.
- Business-friendly basics: Look for seating clusters suitable for laptop use, plus charging near many gate areas. If you need quiet for a call, aim for the less-crowded stretches away from the central pinch points near the main circulation paths.
- Family amenities: SFO provides family-focused facilities airport-wide, including nursing/mother’s rooms and family restrooms in terminal areas. If you’re traveling with kids, ask an information desk or check terminal maps for the closest location once you know your gate.
- Accessibility: Expect elevators, ramps, accessible restrooms, and clear wayfinding. If you need wheelchair assistance, request it through your airline in advance and confirm at check-in.
Practical Tips
- Best for long layovers: Stay near the International Terminal central hall pre- or post-security if you want the widest choice of food and a more “terminal-like” space to roam. If you’re already at A gates and your flight is soon, settle closer to your gate and only venture back if you have plenty of buffer.
- Quietest places: Walk a bit away from the busiest boarding clusters—gates at the ends of the concourse are often calmer, especially between departure waves.
- Power outlets: Your best bet is typically near gate seating areas and at work-friendly counters. If you’re not seeing outlets, scan for charging at columns or under-seat power in newer seating banks.
- WiFi: SFO offers free airport WiFi. Connect to the official network, then follow the browser prompt. If the splash page doesn’t load, toggle airplane mode or forget/rejoin the network.