Cheap flights from San Antonio, TX to San Diego, CA

Travelers frequently search for route combinations, such as San Antonio and Las Vegas, Mexico City, Denver, Orlando, Guadalajara, Atlanta, Phoenix, Los Angeles, Washington, D.C., Cancún, Chicago, Raleigh, Salt Lake City, San José del Cabo, Philadelphia, New Orleans, San Juan, Paris, New York, Monterrey.

Travelers frequently search for route combinations, such as San Diego and Denver, Las Vegas, Austin, Cincinnati, Philadelphia, New York, Phoenix, Charlotte, Washington, D.C., Atlanta, Raleigh, Chicago, Orlando, Detroit, Dallas, St. Louis, Cleveland, Salt Lake City, Minneapolis, London.

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

The main airport in San Diego is San Diego International. It is also served by Tijuana International, Ontario International, John Wayne, Hollywood Burbank, Mexicali International, Palm Springs International, Imperial County, Long Beach, Hawthorne Municipal, Yuma International.

A number of bus and train companies depart from San Antonio, including Amtrak train, Greyhound.

Yes, it's possible to combine different modes of transport between San Antonio and San Diego thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Antonio and San Diego can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Currently, you can fly between San Antonio and San Diego with Linear Air, United Airlines, American Airlines, Frontier Airlines, Spirit Airlines.

If you don’t have specific dates for your trip between San Antonio and San Diego, 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.