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San Francisco International Airport (SFO) is one of the busiest airports in the US and is the primary hub for Alaska and United. The SFO Airport offers over 40 airlines to major domestic and international destinations. It connects passengers to key cities across North America, Europe, Asia, Latin America, the Middle East, and Oceania.
This article offers a comprehensive guide to SFO airlines that operate at each terminal, alongside the airline’s contact information.
List of Airlines Operating at San Francisco Airport by Terminal
SFO is the primary hub for United Airlines, which operates a majority of San Francisco Airport flights. Other major SFO domestic airlines include American Airlines and Delta Air Lines. The airport also serves low-cost carriers like JetBlue and Frontier.
SFO international flights like Emirates, Lufthansa, and Singapore Airlines offer flights to 50 destinations.
The terminals of SFO Airport are divided into 4 terminals – Terminal 1, Terminal 2, Terminal 3, and the International Terminal. The International terminal is further divided into boarding areas A and G, which manage most international airlines at SFO.
Below is a detailed overview of the airlines at SFO organised by terminal and more.
Terminal 1 (Harvey Milk Terminal)
Also known as the Harvey Milk Terminal, it is the key hub for SFO domestic airlines like Southwest and JetBlue. It is also the hub for select international flights like WestJet, offering flights to key Canadian and Mexican destinations.
Below is the list of SFO airlines at Terminal 1:
| Airline Name | Code | Phone |
|---|---|---|
| JetBlue Airways | B6 | 1-800-538-2583 |
| Southwest Airlines | WN | 1-800-435-9792 |
| WestJet | WS | 1-888-937-8538 |
Terminal 2
Terminal 2 is sussed by Alaska Airlines and Delta Air Lines. It handles a mix of domestic and international flights. The terminal offers connectivity to major cities like Seattle (SEA), Atlanta (ATL), Chicago, and New York.
Below is the list of SFO airlines at Terminal 2:
| Airline Name | Code | Phone |
|---|---|---|
| Alaska Airlines | AS | 1-800-426-0333 |
| Delta Air Lines | DL | 1-800-221-1212 |
Terminal 3
Terminal 3 is the primary base for United Airlines’ domestic operations. It offers an SFO flight schedule to domestic destinations like Chicago, Denver, Houston, and Washington, D.C. The terminal is the hub for United Express, which serves regional airports like Boise, Eugene, and Reno:
| Airline Name | Code | Phone |
|---|---|---|
| United Airlines | UA | 1-800-864-8331 |
| United Express | UA | 1-800-864-8331 |
International Terminal (Boarding Areas A and G)
The International Terminal caters to SFO international flights, which are divided into Boarding Areas A and G.
Boarding Area A is the hub for Emirates, Lufthansa, and Singapore Airlines. On the other hand, the Boarding Area G caters to United Airlines’ long-haul flights and international carriers like Air New Zealand. The terminal also accommodates domestic San Francisco Airport flights for United and Alaska Airlines.
Here is the list of SFO airlines International Terminal (Boarding Area A):
| Airline Name | Code | Phone |
|---|---|---|
| Aer Lingus | EI | 1-800-474-7424 |
| Air Canada | AC | 1-888-247-2262 |
| Air France | AF | 1-800-237-2747 |
| All Nippon Airways (ANA) | NH | 1-800-235-9262 |
| British Airways | BA | 1-800-247-9297 |
| Cathay Pacific | CX | 1-800-233-2742 |
| Emirates | EK | 1-800-777-3999 |
| EVA Air | BR | 1-800-695-1188 |
| Japan Airlines | JL | 1-800-525-3663 |
| KLM | KL | 1-866-434-0320 |
| Lufthansa | LH | 1-800-645-3880 |
| Philippine Airlines | PR | 1-800-435-9725 |
| Qantas | QF | 1-800-227-4500 |
| Qatar Airways | QR | 1-877-777-2827 |
| Singapore Airlines | SQ | 1-833-727-0118 |
Here is the list of SFO airlines International Terminal (Boarding Area G):
| Airline Name | Code | Phone |
|---|---|---|
| United Airlines | UA | 1-800-864-8331 |
| Air New Zealand | NZ | 1-800-262-1234 |
| Asiana Airlines | OZ | 1-800-227-4262 |
| Korean Air | KE | 1-800-438-5000 |
A Vital Hub diverse array of San Francisco Airport flights that suit every passenger’s needs. United Airlines and Alaska Airlines are the dominant carriers at SFO in terms of passenger volume. The airport is also the hub for Delta and Southwest and global carriers like Emirates and Lufthansa.
Whether you’re catching a domestic flight to Los Angeles Airport or an international flight to Tokyo, SFO offers flight schedules to over 200 destinations worldwide.
FAQs
Major domestic and international airlines serve San Francisco International Airport (SFO). These include United Airlines, Delta, American Airlines, Alaska Airlines, JetBlue, Lufthansa, Emirates, and many others.
International airlines at SFO include Air France, Emirates, Lufthansa, Singapore Airlines, ANA, British Airways, Cathay Pacific, and Japan Airlines.
SFO Terminal 1 is the hub for JetBlue, Southwest, and United Airlines.
Full-service airlines operating from SFO include United Airlines, Delta Air Lines, American Airlines, British Airways, Lufthansa, Emirates, and Singapore Airlines.
Yes, low-cost carriers like Southwest Airlines, JetBlue, Frontier Airlines, and Alaska Airlines operate from SFO.
United Airlines primarily operates from Terminal 3 for domestic flights and Boarding Area G for international departures.
JetBlue operates out of Terminal 1 at SFO.
Airlines like Lufthansa, British Airways, United Airlines, Air France, and KLM serve direct flights from SFO. These airlines cater to cities like London, Frankfurt, Paris, Amsterdam, and Zurich.