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

Flights starting at £57. Choose between American Airlines, Frontier Airlines, or Spirit Airlines to find the best price.

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Tips to know when travelling to San Antonio

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Travelers usually depart from San Diego International, San Diego, CA - La Jolla, San Diego, CA - Old Town, San Diego, CA - Seaport Village, or San Diego-SDSU Transit Center when they travel from San Diego to San Antonio. Book your trip to arrive at San Antonio International, San Antonio, San Antonio-Pearl, San Antonio-Patton Tareyton Tempo, or San Antonio, TX Train Station. The most popular airlines for this route are American Airlines, Frontier Airlines, Spirit Airlines, United Airlines, and Alaska Airlines. San Diego and San Antonio have 323 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 AirlinesAALAANoNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight

San Antonio travel tips

1) Can I use public transport in San Antonio?
2) Have a look at the Aztec on the River Theater in San Antonio
3) Marvel at the beauty of San Antonio's ornate Majestic Theater
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

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What time do flights between San Diego and San Antonio depart?
What time do flights between San Diego and San Antonio arrive?

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