Cheap flights from San Antonio, TX to San Diego, CA
Flights starting at $45. Choose between United Airlines, American Airlines, or Frontier Airlines to find the best price.
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Cheapest one-way trip | $45 |
---|---|
Cheapest round-trip | $89 |
Average round-trip | $151 |
Includes rare itinerary | Travel hack |
Most popular airline | United Airlines |
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Travelers usually depart from San Antonio International, San Antonio, San Antonio, TX Train Station, San Antonio-Pearl, or San Antonio-Patton Tareyton Tempo when they travel from San Antonio to San Diego. Book your trip to arrive at San Diego International, San Diego, CA - Old Town, San Diego, CA - La Jolla, San Diego, CA - Santa Fe, or San Diego, CA Bus Station. The most popular airlines for this route are United Airlines, American Airlines, Frontier Airlines, Spirit Airlines, and Alaska Airlines. San Antonio and San Diego have 319 direct flights per week.
Check-in for a flight from San Antonio to San Diego
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
American Airlines | AAL | AA | No | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
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