More than 23 airlines operate from San Diego International Airport (SAN). The airlines operating at SAB meet passenger requirements for over 76 domestic and 11 international destinations. Among the U.S airlines, Delta, Southwest, and United, the last one being the primary hub, are serving here. Ireland’s British Airways, Japan’s ANA and JAL, Germany’s Lufthansa, and the Netherlands’ KLM are also among those serving major cities in both Asia and Europe.
Here is a comprehensive guide to all airlines operating at SAN Airport, organized by terminal, along with their respective contacts.
Airlines list at San Diego International Airport (SAN)
United Airlines and Delta Airlines are the primary carriers that use the two terminals at SAN Airport – 1 and 2 as their base. Besides, the San Diego Airport terminals also accommodate low-cost carriers such as Spirit, Sun Country, and Allegiant Air.
Terminal 2 also serves international airlines such as British Airways, Lufthansa, and Japan Airlines. These companies operate direct flights to destinations such as San José del Cabo, Tokyo-Narita, Amsterdam, and Munich.
View all San Diego flights by terminal to help passengers plan their travel.
Terminal 1
Terminal 1 is designed for domestic flights and is also the primary terminal for low-cost carriers. Frontier, Southwest, Spirit, and Sun Country are among the airlines that operate from SAN Airport and offer service at very reasonable prices. Additionally, they provide customers with a broad domestic network.
The airlines operating at SAN Terminal 1 are:
| Airlines | Airline Code | Call for Flight Information |
| Southwest Airlines | WN | 800.435.9792 |
| Sun Country Airlines | SY | 800.359.6786 |
| Frontier Airlines | F9 | 801.401.9000 |
| Spirit Airlines | NK | NA |
Terminal 2
This terminal at the SAN Airport handles the majority of its international air traffic. The terminal has a total of 17 domestic and international airlines, which serve the vital cities in the United States, Europe, and Asia.
The largest airlines, specifically Delta and United, are accommodated at Terminal 2, and, to that extent, the international routes operated from Terminal 2 include British Airways, Lufthansa, and Japan Airlines.
Here is the list of T2 in San Diego:
| Airline | Airline Code | Call For Flight Information |
| Alaska Airlines | AS | 800.252.7522 |
| Breeze Airways | MX | NA |
| Delta Airlines | DL | 800.455.2720 |
| Japan Airlines | JL | 800.525.3663 |
| KLM | KL | 800.618.0104 |
| Porter Airlines | PD | 888.619.8622 |
| WestJet | WS | 888.937.8538 |
| Air Canada | AC | 888.247.2262 |
| Allegiant Air | G4 | 702.505.8888 |
| British Airways | BA | 800.247.9297 |
| Hawaiian Airlines | HA | 800.367.5320 |
| JetBlue Airways | B6 | 800.538.2583 |
| Lufthansa | LH | 800.645.3880 |
| United Airlines | UA | 800.864.8331 |
Domestic or international passengers can choose from 23 airlines at SAN Airport to fly to Europe, Asia, or Mexico. Terminal 1 focuses on low-cost carriers and offers an extensive domestic network of connections, while Terminal 2 serves international airlines. The aforementioned guide not only lists the airlines by terminal but also helps passengers with their travel arrangements.
Repeatedly Asked Questions
Southwest Airlines uses Terminal 1 at the San Diego International Airport.
British Airways, Lufthansa, Japan Airlines, KLM, WestJet, and Air Canada are some of the airlines that fly internationally at SAN.
Yes, SAN offers direct flights to multiple Mexican cities, including Cabo San Lucas, Mexico City, and Puerto Vallarta. Among the airlines offering direct flights to Mexico are Alaska, Volaris, and Southwest.
Nonstop flights to East Coast cities such as New York, Boston, Atlanta, and Washington, D.C., are offered by airlines including JetBlue, Delta, and United.
More than 23 airlines serve domestic and international routes from the San Diego International Airport. They include carriers such as Southwest, Delta, United, Alaska, British Airways, and Japan Airlines.
Delta Airlines is located at Terminal 2 at SAN Airport.
Southwest, Delta, United, Alaska, JetBlue, and Frontier are the major domestic carriers operating at SAN.
The cheapest fares are provided by low-cost airlines, including Spirit Airlines, Frontier Airlines, Sun Country, and Allegiant Air.




















