Cheap Flights from San Antonio, TX to San Diego, CA from $57
On Cheapflightsplus.com you will find 447 connecting flights from San Antonio to San Diego. You can compare airfare deals from 6 airlines and multiple travel sites from $57, book and save on cheap plane tickets and last minute offers. Also check out SAT-SAN flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from San Antonio to San Diego depends on and how to choose the most interesting flight option for you.
Distance between San Antonio and San Diego is 1814 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 22:57 from 5 San Antonio airports and arrive 05:00 to 22:57 to 11 San Diego airports. Average flight time is 8h 55m.
- The fastest flight 5h 9m
- Average flight time 8h 55m
- The earliest flight 05:00
- The latest flight 22:57
- Distance 1128 ml
Best Flights from San Antonio to San Diego Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $57 | 22:57 San Antonio San Antonio | 07:13+1 день San Diego San Diego | 10h 16m layover 6h 3m - Las Vegas | Spirit Airlines | NK2702 NK2502 |
| from $61 | 19:50 San Antonio San Antonio | 23:55 San Diego San Diego | 6h 5m layover 1h 13m - Denver | Frontier Airlines | F92355 F92711 |
The cheapest months to travel to San Diego are june (from 57 $), october (from 61 $), november (from 61 $).
The most expensive months are february (from 332 $), january (from 332 $), september (from 123 $).
What is the lowest airfare San Antonio to San Diego?
The cheapest plane ticket found by our users is $57. This airfare is for economy class on one-way NK2702 flight by Spirit Airlines for July 6, 2025 which leaves San Antonio in San Antonio at 22:57 am and arrives at San Diego San Diego at 07:13.
Flight Schedule San Antonio (Texas) to San Diego (California)
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Popular Airlines on the Route
The flight San Antonio — San Diego is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 125 departures per week at the price of from $ 169 . And the most expensive tickets are offered by United Airlines airline - from $ 642.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 447 flights with layovers on the route. The fastest connecting flight is AS6184 by Alaska Airlines takes 5h 9m and the cheapest is NK2702 by Spirit Airlines for $57.
- AS - Alaska Airlinesfrom $169Find
- F9 - Frontier Airlinesfrom $61Find
- SY - Sun Country Airlinesfrom $185Find
- HA - Hawaiian Airlinesfrom $219Find
- UA - United Airlinesfrom $195Find
- NK - Spirit Airlinesfrom $57Find
Airports
You can fly from San Antonio to San Diego from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATfrom $57Find
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
San Diego airports
- San Diego-SANFind
- San Diego Regional-USAFind
- Gillespie Field-SEEFind
- Golden Triangle Reg.-GTRFind
- El Cajon-CJNFind
- Lowndes County-UBSFind
- Miramar NAS-NKXFind
- Montgomery Field-MYFFind
- North Island NAS-NZYFind
- Brown Field Municipal-SDMFind
- AFB-CBMFind
Airplanes
There are flights to San Diego from San Antonio by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from San Antonio
You may also consider searching for discounted plane tickets to some other popular places from San Antonio within United States.
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Top International Destinations from San Antonio
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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