Cheap flights from Austin to San Antonio from $138

Travelers frequently search for route combinations, such as Austin and Las Vegas, New York, Denver, Orlando, Calgary, San Francisco, Cali, Tel Aviv, Atlanta, Los Angeles, Lima, Vancouver, Fort Lauderdale, Bogotá, Buenos Aires, Puerto Escondido, Oaxaca, Medellín, Mexico City, Montevideo, Toronto.

Travelers frequently search for route combinations, such as San Antonio and Mexico City, Orlando, Los Angeles, Las Vegas, Guadalajara, Denver, Monterrey, Cancún, Washington, D.C., Bangkok, Puerto Vallarta, Dallas, Mérida, Paris, Tampa, Manila, Toronto, Lima, La Paz, Santiago de Querétaro.

The main airport in Austin is Austin–Bergstrom International. It is also served by George Bush Intercontinental, San Antonio International, William P. Hobby, Easterwood, Waco Regional, Killeen–Fort Hood Regional, Victoria Regional.

The main airport in San Antonio is San Antonio International. It is also served by San Antonio International, Austin–Bergstrom International, Nuevo Laredo International, Laredo International, Piedras Negras International, Corpus Christi International, Easterwood, Killeen–Fort Hood Regional, Victoria Regional.

Currently, you can fly between Austin and San Antonio with United Airlines, Frontier Airlines, VivaAerobus, Volaris, AeroMexico.

If you don’t have specific dates for your trip between Austin and San Antonio, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Austin and San Antonio, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Austin. The main one is Austin–Bergstrom International and other nearby airports include George Bush Intercontinental, San Antonio International, William P. Hobby, Easterwood, Waco Regional, Killeen–Fort Hood Regional, Victoria Regional

There are a number of airports in and around San Antonio. The main one is San Antonio International and other nearby airports include San Antonio International, Austin–Bergstrom International, Nuevo Laredo International, Laredo International, Piedras Negras International, Corpus Christi International, Easterwood, Killeen–Fort Hood Regional, Victoria Regional.