Austin-Bergstrom International Airport is one of the busiest airports in Texas, serving 20 million passengers every year, and offers flights to more than 90 destinations worldwide. The airport features a combined offering of full-service, low-cost, and international airlines, providing travelers with service to major cities in the U.S. as well as worldwide destinations such as London, Frankfurt, and Mexico City. To learn more about the airlines operating at AUS International Airport, continue reading the guide till the end.
List of Airlines Operating at each Terminal of Austin-Bergstrom International Airport (AUS)
AUS International Airport serves nearly 20 airlines, including full-service, low-cost, and international flights. The airport handles 300 daily flights from major airlines, including Delta, Southwest, and United. Austin International Airport also serves global destinations such as London, Frankfurt, and Mexico City.
There are two major terminals available at the Austin-Bergstrom International Airport:
- Barbara Jordan Terminal (The largest terminal at AUS and a hub for international flights)
- South Terminal ( Low-cost carriers like Allegiant and Frontier operate out of this terminal)
Here is the detailed information about terminals at AUS International Airport:
Barbara Jordan Terminal
The Barbara Jordan Terminal at Austin International Airport is the hub for major domestic and international airlines. The table below lists the airlines that depart and arrive at the Barbara Jordan Terminal of AUS International Airport:
| Airline Name | Code | Phone (U.S.-Based) |
| WestJet | WS | 1 888 937 8538 |
| Air Canada Express | AC | 1 888 247 2262 |
| VivaAerobús | VB | 1 888 935 9848 |
| Alaska Airlines | AS | 1 800 426 0333 |
| Aeroméxico Connect | AM | 1 800 237 6639 |
| British Airways | BA | 1 800 247 9297 |
| United Express | UA | 1 800 864 8331 |
| Sun Country Airlines | SY | 1 651 905 2737 |
| Spirit Airlines | NK | 1 855 728 3555 |
| United Airlines | UA | 1 800 864 8331 |
| Lufthansa | LH | 1 800 645 3880 |
| Southwest Airlines | WN | 1 800 435 9792 |
| KLM | KL | 1 800 618 0104 |
| JetBlue Airways | B6 | 1 800 538 2583 |
| Delta Connection | DL | 1 800 221 1212 |
| Hawaiian Airlines | HA | 1 800 367 5320 |
| Delta Air Lines | DL | 1 800 221 1212 |
| JSX | XE | 1 800 435 9579 |
South Terminal
South Terminal manages ultra-low-cost airlines at Austin Airport, including Allegiant Air and Frontier Airlines. Below is the list of airlines operating from the South Terminal of Austin International Airport:
| Airline Name | Code | Phone (U.S.-Based) |
| Frontier Airlines | F9 | 1 801 401 9000 |
| Allegiant Air | G4 | 1 702 505 8888 |
Austin-Bergstrom International Airport (AUS) is a rapidly growing hub, offering travelers more than 90 nonstop flights and access to about 178 connecting destinations worldwide. With two separate terminals, the Barbara Jordan Terminal for the most major domestic and international airlines and the South Terminal for the ultra-low-cost carriers, AUS runs smoothly, serving different types of travelers. Moreover, International flights from AUS connect to global destinations such as London Heathrow, Frankfurt, and Mexico City.
Frequently Asked Questions
Southwest Airlines is a carrier at Austin-Bergstrom International Airport, operating the most flights.
Low-cost carriers that fly from AUS International Airport include Southwest Airlines, Spirit Airlines, Frontier Airlines, and Allegiant Air.
There are two main terminals at AUS: the Barbara Jordan Terminal and the South Terminal. Each is separate and has its own entrance, services, and facilities.
AUS is home to several international carriers like British Airways, Lufthansa, KLM Royal Dutch Airlines, Aeromexico, and Air Canada.
Allegiant Air uses the South Terminal at Austin, Bergstrom International Airport (AUS).


















