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

Flights starting at $63. Choose between American Airlines, United Airlines, or Frontier Airlines to find the best price.

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San Diego SANLas Vegas LASSan Antonio SAT

Multiple carriers

$67
San Diego SANPhoenix PHXSan Antonio SAT

American Airlines

$122

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Travelers usually depart from San Diego International, San Diego, CA Bus Station, San Diego, CA - Old Town, McClellan–Palomar, or San Diego, CA - La Jolla when they travel from San Diego to San Antonio. Book your trip to arrive at San Antonio International, San Antonio, San Antonio, TX Train Station, San Antonio-Patton Tareyton Tempo, or San Antonio-Pearl. The most popular airlines for this route are American Airlines, United Airlines, Frontier Airlines, Spirit Airlines, and Delta Air Lines. San Diego and San Antonio have 293 direct flights per week.

Check-in for a flight from San Diego to San Antonio

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAAYesNo
United AirlinesUALUAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

Your trip summary

Most travelers from San Diego, SAN can enter San Antonio, SAT.

Departure

Additional information
  • Masks are recommended in certain settings

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and Las Vegas, Denver, Austin, Cincinnati, Philadelphia, New York, Atlanta, Washington, D.C., Raleigh, Chicago, Phoenix, Orlando, St. Louis, Charlotte, Minneapolis, Detroit, Cleveland, New Orleans, Dallas, San Francisco.
What are the most popular routes to and from San Antonio?
Travelers frequently search for route combinations, such as San Antonio and Las Vegas, Denver, Orlando, Atlanta, Los Angeles, Phoenix, Washington, D.C., Chicago, Mexico City, Salt Lake City, Minneapolis, San Juan, Charlotte, San Francisco, Philadelphia, Colorado Springs, Fort Lauderdale, New York, Santa Ana, Raleigh.
Which airports are there in San Diego?
San Diego is mainly served by San Diego International. But there are other airports nearby, including Marine Corps Air Station Miramar, McClellan–Palomar.
What airports are near San Diego?
The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Tijuana International, John Wayne, Ontario International, Hollywood Burbank, Mexicali International, Palm Springs International, Long Beach, Imperial County, Yuma International.
What airports are near San Antonio?
The main airport in San Antonio is San Antonio International. It is also served by Austin–Bergstrom International, San Antonio International, Nuevo Laredo International, Laredo International, Corpus Christi International, Piedras Negras International, Killeen–Fort Hood Regional, Victoria Regional, Del Rio International, Easterwood.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Diego and San Antonio?
Yes, it's possible to combine different modes of transport between San Diego and San Antonio thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Diego and San Antonio can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
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.
Which airlines fly between San Diego and San Antonio?
Currently, you can fly between San Diego and San Antonio with American Airlines, United Airlines, Frontier Airlines, Spirit Airlines, Delta Air Lines.
When's the best time to travel between San Diego and San Antonio?
If you don’t have specific dates for your trip between San Diego 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.
What flights operate between San Diego and San Antonio?
How many airports are there near San Diego?
How many airports are there near San Antonio?
What time do nonstop (direct) flights between San Diego and San Antonio depart?
What time do nonstop (direct) flights between San Diego and San Antonio arrive?
What time do flights between San Diego and San Antonio depart?
What time do flights between San Diego and San Antonio arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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